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  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  <DIV style="font-family: 'Times New Roman',Times,serif">
  
  
  
  
  
  
  
  
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt">As
  filed with the Securities and Exchange Commission on January&nbsp;31, 2007
  </DIV>
  
  
  <DIV align="right" style="font-size: 10pt; margin-top: 12pt">Registration No.&nbsp;333-________
  </DIV>
  
  <DIV style="width: 100%; margin-top: 12pt; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
  <DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>
  
  
  <DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>UNITED STATES<BR>
  SECURITIES AND EXCHANGE COMMISSION</B>
  </DIV>
  
  <DIV align="center" style="font-size: 12pt"><B>WASHINGTON, D.C. 20549</B>
  </DIV>
  
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>
  </DIV>
  
  <DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM S-8</B>
  </DIV>
  
  
  <DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>REGISTRATION STATEMENT<BR>
  UNDER<BR>
  THE SECURITIES ACT OF 1933</B>
  </DIV>
  
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>
  </DIV>
  
  <DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>ALTRA HOLDINGS, INC.</B>
  </DIV>
  
  <DIV align="center" style="font-size: 10pt">(Exact Name of Registrant as Specified in its Charter)</DIV>
  
  
  <DIV align="center">
  <TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
  <!-- Begin Table Head -->
  <TR valign="bottom">
      <TD width="48%">&nbsp;</TD>
      <TD width="3%">&nbsp;</TD>
      <TD width="48%">&nbsp;</TD>
  </TR>
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  <!-- Begin Table Body -->
  <TR valign="bottom">
      <TD align="center" valign="top"><B>Delaware</B>
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top"><B>61-1478870</B></TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD align="center" valign="top">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="center" valign="top">(State or Other Jurisdiction of Incorporation or Organization)
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">(I.R.S. Employer Identification No.)</TD>
  </TR>
  <!-- End Table Body -->
  </TABLE>
  </DIV>
  
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>14 Hayward Street<BR>
  Quincy, Massachusetts 02171<BR>
  (617)&nbsp;328-3300</B><BR>
  (Address, Including Zip Code, and Telephone Number,<BR>
  including Area Code, of Registrant&#146;s Principal Executive Offices)</DIV>
  
  
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt">
  <B>ALTRA HOLDINGS, INC. 2004 EQUITY INCENTIVE PLAN</B><BR>
  (Full Title of Plan)<BR><BR>
  
  <B>Michael L. Hurt<BR>
  Chief Executive Officer<BR>
  Altra Holdings, Inc.<BR>
  14 Hayward Street<BR>
  Quincy, Massachusetts 02171<BR>
  (617)&nbsp;328-3300</B><BR>
  (Name and Address, Including Zip Code,<BR>
  and Telephone Number, Including Area Code, of Agent For Service)</DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt"><I>Copies to:</I><BR><BR>
  <B>Craig W. Adas<BR>
  Weil, Gotshal &#038; Manges LLP<BR>
  201 Redwood Shores Parkway<BR>
  Redwood Shores, California 94065<BR>
  (650)&nbsp;802-3000</B>
  </DIV>
  
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>CALCULATION OF REGISTRATION FEE</B>
  </DIV>
  
  <DIV align="center">
  <TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
  <!-- Begin Table Head -->
  <TR valign="bottom">
      <TD width="1%">&nbsp;</TD>
      <TD width="54%">&nbsp;</TD>
      <TD width="2%">&nbsp;</TD><!-- VRule -->
      <TD width="2%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
      <TD width="2%">&nbsp;</TD><!-- VRule -->
      <TD width="2%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
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      <TD width="2%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
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      <TD width="2%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
  
      <TD width="1%">&nbsp;</TD>
  </TR><TR style="font-size: 1px" valign="bottom">
      <TD nowrap align="left" colspan="23" style="border-bottom: 3px double #000000">&nbsp;</TD>
  </TR>
  <TR style="font-size: 10pt" valign="bottom">    <TD width="1%">&nbsp;</TD>
  
      <TD nowrap align="left">Title of Each Class of</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2">Amount to be</TD>
      <TD>&nbsp;</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2">Proposed Maximum</TD>
      <TD>&nbsp;</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2">Proposed Maximum</TD>
      <TD>&nbsp;</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2">Amount of</TD>
      <TD>&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
  </TR>
  <TR style="font-size: 10pt" valign="bottom">    <TD width="1%">&nbsp;</TD>
  
      <TD nowrap align="left" style="border-bottom: 0px solid #000000">Securities to be Registered</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2" style="border-bottom: 0px solid #000000">Registered(1)</TD>
      <TD>&nbsp;</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2" style="border-bottom: 0px solid #000000">Offering Price Per Share(2)</TD>
      <TD>&nbsp;</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2" style="border-bottom: 0px solid #000000">Aggregate Offering Price(2)</TD>
      <TD>&nbsp;</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2" style="border-bottom: 0px solid #000000">Registration Fee</TD>
      <TD>&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
  </TR>
  
  <!-- End Table Head -->
  <!-- Begin Table Body -->
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      <TD width="1%" style="border-top: 1px solid #000000">&nbsp;</TD>
                      <TD style="border-top: 1px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock,
  par value $0.001 per share</DIV></TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD colspan="3" align="center" style="border-top: 1px solid #000000">2,210,355&nbsp;shares</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
  
      <TD align="center" colspan="2" style="border-top: 1px solid #000000">$14.40</TD>
      <TD nowrap style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
  
      <TD align="center" colspan="2" style="border-top: 1px solid #000000">$31,829,112</TD>
      <TD nowrap style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
  
      <TD align="center" colspan="2" style="border-top: 1px solid #000000">$3,406</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD width="1%" style="border-top: 1px solid #000000">&nbsp;</TD>
  </TR>
  <TR style="font-size: 1px" valign="bottom">
      <TD nowrap align="left" colspan="23" style="border-top: 3px double #000000">&nbsp;</TD>
  </TR>
  
  <!-- End Table Body -->
  </TABLE>
  </DIV>
  
  
  
  
  
  <DIV align="left">
  <DIV>&nbsp;</DIV>
  </DIV>
  
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  <TR>
      <TD width="3%"></TD>
      <TD width="1%"></TD>
      <TD width="96"></TD>
  </TR>
  
  <TR valign="top">
      <TD nowrap align="left">(1)</TD>
      <TD>&nbsp;</TD>
      <TD>In accordance with Rule&nbsp;416 under the Securities Act of 1933, as amended, this Registration
  Statement shall also cover any additional shares of the Registrant&#146;s Common Stock which become
  issuable under the plan by reason of a stock dividend, stock split, recapitalization or other
  similar transaction.</TD>
  </TR>
  
  <TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>
  
  <TR valign="top">
      <TD nowrap align="left">(2)</TD>
      <TD>&nbsp;</TD>
      <TD>Estimated pursuant to Rule 457(c) and (h)&nbsp;of the Securities Act of 1933, as amended, solely
  for the purposes of calculating the registration fee, based upon the average of the high and
  low prices of the Company&#146;s Common Stock on January&nbsp;25, 2007, as reported by the NASDAQ Global
  Market.</TD>
  </TR>
  
  </TABLE>
  
  
  
  <DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
  <DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
  
  
  
  
  
  <P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
  </DIV>
  
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  <DIV style="font-family: 'Times New Roman',Times,serif">
  
  
  
  
  
  
  <!-- TOC -->
  <A name="toc"><DIV align="CENTER" style="page-break-before:always"><U><B>TABLE OF CONTENTS</B></U></DIV></A>
  
  <P><CENTER>
  <TABLE border="0" width="90%" cellpadding="0" cellspacing="0">
  <TR>
  	<TD width="3%"></TD>
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  </TR>
  <TR><TD colspan="9"><A HREF="#000">PART I</A></TD></TR>
  <TR><TD colspan="9"><A HREF="#001">INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</A></TD></TR>
  <TR><TD colspan="9"><A HREF="#002">PART II</A></TD></TR>
  <TR><TD colspan="9"><A HREF="#003">INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#004">Item&nbsp;3. Incorporation of Documents by Reference.</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#005">Item&nbsp;4. Description of Securities.</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#006">Item&nbsp;5. Interests of Named Experts and Counsel.</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#007">Item&nbsp;6. Indemnification of Directors and Officers.</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#008">Item&nbsp;7. Exemption from Registration Claimed.</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#009">Item&nbsp;8. Exhibits.</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#010">Item&nbsp;9. Undertakings.</A></TD></TR>
  <TR><TD colspan="9"><A HREF="#011">SIGNATURES</A></TD></TR>
  <TR><TD colspan="9"><A HREF="#012">EXHIBIT INDEX</A></TD></TR>
  <TR><TD colspan="9"><A HREF="b63890ahexv5w1.htm">EX-5.1 OPINION OF WEIL, GOTSHAL & MANGES LLP</A></TD></TR>
  <TR><TD colspan="9"><A HREF="b63890ahexv23w1.htm">EX-23.1 CONSENT OF ERNST & YOUNG LLP</A></TD></TR>
  <TR><TD colspan="9"><A HREF="b63890ahexv23w2.htm">EX-23.2 CONSENT OF BDO STOY HAYWARD LLP</A></TD></TR>
  </TABLE>
  </CENTER>
  <!-- /TOC -->
  <P><HR noshade><P>
  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  
  
  
  
  
  <!-- link1 "PART I" -->
  <DIV align="left"><A NAME="000"></A></DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART I</B>
  </DIV>
  
  <!-- link1 "INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS" -->
  <DIV align="left"><A NAME="001"></A></DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</B>
  </DIV>
  
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The documents containing the information required by Part&nbsp;I of Form S-8 will be sent or given
  to plan participants as specified by Rule&nbsp;428(b)(1) of the Securities Act of 1933, as amended (the
  &#147;Securities Act&#148;). Such documents are not required to be and are not filed with the Securities and
  Exchange Commission (the &#147;Commission&#148;) either as part of this Registration Statement or as
  prospectuses or prospectus supplements pursuant to Rule&nbsp;424 of the Securities Act. These documents
  and the documents incorporated by reference in this Registration Statement pursuant to Item&nbsp;3 of
  Part&nbsp;II of this Form S-8, taken together, constitute a prospectus that meets the requirements of
  Section 10(a) of the Securities Act.
  </DIV>
  <!-- link1 "PART II" -->
  <DIV align="left"><A NAME="002"></A></DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART II</B>
  </DIV>
  
  <!-- link1 "INFORMATION REQUIRED IN THE REGISTRATION STATEMENT" -->
  <DIV align="left"><A NAME="003"></A></DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B>
  </DIV>
  
  <!-- link2 "Item&nbsp;3. Incorporation of Documents by Reference." -->
  <DIV align="left"><A NAME="004"></A></DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;3. Incorporation of Documents by Reference.</B>
  </DIV>
  
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following documents filed with the Commission by Altra Holdings, Inc. (the &#147;Registrant&#148;)
  are incorporated herein by reference:
  </DIV>
  
  <DIV style="margin-top: 6pt">
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  
  <TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
      <TD width="3%" style="background: transparent">&nbsp;</TD>
      <TD width="1%" nowrap align="left">(a)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>The Registrant&#146;s Prospectus filed on December&nbsp;15, 2006 pursuant to Rule
  424(b) of the Securities Act, containing audited financial statements for the
  Registrant&#146;s latest fiscal year;</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 6pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
      <TD width="3%" style="background: transparent">&nbsp;</TD>
      <TD width="1%" nowrap align="left">(b)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>The Registrant&#146;s Current Reports on Form 8-K filed with the Commission on
  December&nbsp;15, 2006, December&nbsp;20, 2006, January&nbsp;4,
  2007 and January 26, 2007; and</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 6pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
      <TD width="3%" style="background: transparent">&nbsp;</TD>
      <TD width="1%" nowrap align="left">(c)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>The description of the Registrant&#146;s Common Stock which is contained in the
  Registration Statement on Form 8-A/A filed on December&nbsp;13, 2006, including any
  amendment or reports filed for the purpose of updating such description.</TD>
  </TR>
  
  </TABLE>
  </DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All documents subsequently filed by the Registrant with the Commission pursuant to Sections
  13(a), 13(c), 14 and 15(d) of the Exchange Act, prior to the filing of a post-effective amendment
  to this Registration Statement which indicates that all securities offered have been sold or which
  deregisters all securities then remaining unsold, shall be deemed to be incorporated by reference
  in this Registration Statement and to be a part hereof from the date of filing of such documents.
  </DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any statement contained herein or in a document incorporated or deemed to be incorporated by
  reference herein shall be deemed to be modified or superseded for purposes of this Registration
  Statement to the extent that a statement contained herein or in any subsequently filed document
  which also is or is deemed to be incorporated by reference herein modifies or supersedes such
  statement. Any statement so modified or superseded shall not be deemed, except as so modified or
  superseded, to constitute a part of this Registration Statement. Copies of these documents are not
  required to be filed with this Registration Statement.
  </DIV>
  
  <P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
  </DIV>
  
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  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  <DIV style="font-family: 'Times New Roman',Times,serif">
  <!-- link2 "Item&nbsp;4. Description of Securities." -->
  <DIV align="left"><A NAME="005"></A></DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;4. Description of Securities.</B>
  </DIV>
  
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
  </DIV>
  <!-- link2 "Item&nbsp;5. Interests of Named Experts and Counsel." -->
  <DIV align="left"><A NAME="006"></A></DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;5. Interests of Named Experts and Counsel</B>.
  </DIV>
  
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
  </DIV>
  <!-- link2 "Item&nbsp;6. Indemnification of Directors and Officers." -->
  <DIV align="left"><A NAME="007"></A></DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;6. Indemnification of Directors and Officers.</B>
  </DIV>
  
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following is a summary of the statute, charter and bylaw provisions or other arrangements
  under which the Registrant&#146;s directors and officers are insured or indemnified against liability in
  their capacities as such. All the directors and officers of the Registrant are covered by insurance
  policies maintained and held in effect by Registrant against certain liabilities for actions taken
  in their capacities as such, including liabilities under the Securities Act. In addition, three of
  the Registrant&#146;s directors, Messrs.&nbsp;Conte, Paterson and Gold, are also indemnified by insurance
  policies maintained and held by Genstar Capital, LLC.
  </DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;145 of Delaware General Corporation Law.
  </DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Registrant is incorporated under the laws of the State of Delaware. Section&nbsp;145 of the
  Delaware General Corporation Law, or DGCL, provides that a corporation may indemnify any person who
  was or is a party or is threatened to be made a party to any threatened, pending or completed
  action, suit or proceeding, whether civil, criminal, administrative or investigative (other than an
  action by or in the right of the corporation) by reason of the fact that the person is or was a
  director, officer, employee, or agent of the corporation, or is or was serving at the request of
  the corporation as a director, officer, employee or agent of another corporation, partnership,
  joint venture, trust or other enterprise against expenses (including attorneys&#146; fees), judgments,
  fines and amounts paid in settlement actually and reasonably incurred by him in connection with
  such action, suit, or proceeding if the person acted in good faith and in a manner the person
  reasonably believed to be in or not opposed to the best interests of the corporation, and, with
  respect to any criminal action or proceeding, had no reasonable cause to believe the person&#146;s
  conduct was unlawful.
  </DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;145 also provides that a corporation may indemnify any person who was or is a party or
  is threatened to be made a party to any threatened, pending, or completed action or suit by or in
  the right of the corporation to procure a judgment in its favor by reason of the fact that such
  person is or was a director, officer, employee or agent of the corporation, or is or was serving at
  the request of the corporation as a director, officer, employee or agent of another corporation,
  partnership, joint venture, trust or other enterprise against expenses (including attorneys&#146; fees)
  actually and reasonably incurred by the person in connection with the defense or settlement of such
  action or suit if the person acted in good faith and in a manner the person reasonably believed to
  be in or not opposed to the best interests of the corporation and except that no indemnification
  shall be made in respect of any claim, issue or matter as to which such person shall have been
  adjudged to be liable to the corporation unless and only to the extent that the Court of Chancery
  of Delaware or the court in which such action or suit was brought shall determine upon application
  that, despite the adjudication of liability but in view of all the circumstances of the case, such
  person is fairly and reasonably entitled to indemnity for such expenses which the Court of Chancery
  of Delaware or such other court shall deem proper.
  </DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To the extent that a present or former director or officer of a corporation has been
  successful on the merits or otherwise in defense of any action, suit or proceeding referred to
  above, or in defense of any claim, issue or matter therein, such person shall be indemnified
  against expenses (including attorneys&#146; fees) actually and reasonably incurred by such person in
  connection therewith; provided that indemnification provided for by Section&nbsp;145 or granted pursuant
  thereto shall not be deemed exclusive of any other rights to which the indemnified party may be
  entitled; and a Delaware corporation shall have power to purchase and maintain insurance on behalf
  of any person who is or was a director, officer,
  </DIV>
  
  <P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
  </DIV>
  
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  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  <DIV style="font-family: 'Times New Roman',Times,serif">
  
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">employee or agent of the corporation, or is or was serving at the request of the corporation
  as a director, officer, employee or agent of another corporation, partnership, joint venture, trust
  or other enterprise against any liability asserted against such person and incurred by such person
  in any such capacity or arising out of such person&#146;s status as such whether or not the corporation
  would have the power to indemnify such person against such liabilities under Section&nbsp;145.
  </DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Certificate of Incorporation Provisions on Indemnification.
  </DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Registrant&#146;s Certificate of Incorporation provides that a director of the corporation
  shall not be personally liable to either the corporation or any of its stockholder for monetary
  damages for a breach of fiduciary duty except for (i)&nbsp;breaches of the duty of loyalty to the
  corporation or its stockholders, (ii)&nbsp;acts or omissions not in good faith or involving intentional
  misconduct or knowing violation of the law, (iii)&nbsp;as required by Section&nbsp;174 of the DGCL or (iv)&nbsp;a
  transaction resulting in an improper personal benefit. In addition the corporation has the power to
  indemnify any person serving as a director, officer or agent of the corporation to the fullest
  extent permitted by law.
  </DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;By-law Provisions on Indemnification.
  </DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Registrant&#146;s By-laws provide generally that the corporation has the power to indemnify its
  directors, officers, employees and agents who are or were a party, or threatened to be made a
  party, to any threatened, pending, or contemplated action, suit or proceeding, whether civil,
  criminal, administrative or investigative (other than an action by or in the right of the
  corporation), by reason of the fact that such person is or was the director, officer, employee or
  agent of the corporation, or is or was serving in such a position at its request of any other
  corporation, partnership, joint venture, trust or other enterprise.
  </DIV>
  <!-- link2 "Item&nbsp;7. Exemption from Registration Claimed." -->
  <DIV align="left"><A NAME="008"></A></DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;7. Exemption from Registration Claimed.</B>
  </DIV>
  
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
  </DIV>
  <!-- link2 "Item&nbsp;8. Exhibits." -->
  <DIV align="left"><A NAME="009"></A></DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8. Exhibits.</B>
  </DIV>
  
  <DIV align="left">
  <TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
  <!-- Begin Table Head -->
  <TR valign="bottom">
      <TD width="6%">&nbsp;</TD>
      <TD width="2%">&nbsp;</TD>
      <TD width="92%">&nbsp;</TD>
  </TR>
  <!-- End Table Head -->
  <!-- Begin Table Body -->
  <TR valign="bottom">
      <TD><DIV style="margin-left:15px; text-indent:-15px">3.1(1)</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Second Amended and Restated Certificate of Incorporation of Altra Holdings, Inc., dated as</TD>
  </TR>
  <TR valign="bottom">
      <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">of December 20, 2006.</TD>
  </TR>
  <TR valign="bottom">
      <TD><DIV style="margin-left:15px; text-indent:-15px">3.2(1)</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Amended and Restated Bylaws of Altra Holdings, Inc., dated as of December 20, 2006.</TD>
  </TR>
  <TR valign="bottom">
      <TD><DIV style="margin-left:15px; text-indent:-15px">4.1(2)</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Altra Holdings, Inc. 2004 Equity Incentive Plan.</TD>
  </TR>
  <TR valign="bottom">
      <TD><DIV style="margin-left:15px; text-indent:-15px">4.2(3)</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Amendment to Altra Holdings, Inc. 2004 Equity Incentive Plan.</TD>
  </TR>
  <TR valign="bottom">
      <TD><DIV style="margin-left:15px; text-indent:-15px">4.3(1)</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Second Amendment to Altra Holdings, Inc. 2004 Equity Incentive Plan.</TD>
  </TR>
  <TR valign="bottom">
      <TD><DIV style="margin-left:15px; text-indent:-15px">5.1</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Opinion of Weil, Gotshal &#038; Manges LLP (filed herewith).</TD>
  </TR>
  <TR valign="bottom">
      <TD><DIV style="margin-left:15px; text-indent:-15px">23.1</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Consent of Ernst &#038; Young LLP, independent registered public accounting firm (filed herewith).</TD>
  </TR>
  <TR valign="bottom">
      <TD><DIV style="margin-left:15px; text-indent:-15px">23.2</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Consent of BDO Stoy Hayward LLP, independent chartered accountants (filed herewith).</TD>
  </TR>
  <TR valign="bottom">
      <TD><DIV style="margin-left:15px; text-indent:-15px">23.3</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Consent of Weil, Gotshal &#038; Manges LLP (included in its opinion which appears as Exhibit 5.1 to this Registration Statement).</TD>
  </TR>
  <TR valign="bottom">
      <TD><DIV style="margin-left:15px; text-indent:-15px">24.1</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Power of Attorney (included as part of the signature page to this Registration Statement and incorporated herein by reference).</TD>
  </TR>
  <!-- End Table Body -->
  </TABLE>
  </DIV>
  
  
  
  <DIV align="left">
  <DIV style="font-size: 3pt; margin-top: 16pt; width: 18%; border-top: 1px solid #000000">&nbsp;</DIV>
  </DIV>
  
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  <TR>
      <TD width="3%"></TD>
      <TD width="1%"></TD>
      <TD width="96"></TD>
  </TR>
  
  <TR valign="top">
      <TD nowrap align="left">(1)</TD>
      <TD>&nbsp;</TD>
      <TD>Incorporated by reference to Amendment No.&nbsp;4 to the Registrant&#146;s Registration Statement on
  Form S-1 (File No.&nbsp;333-137660) filed with the Commission on December&nbsp;4, 2006.</TD>
  </TR>
  
  </TABLE>
  
  
  <P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
  </DIV>
  
  <!-- PAGEBREAK -->
  <P><HR noshade><P>
  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  <DIV style="font-family: 'Times New Roman',Times,serif">
  
  
  
  
  
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  <TR>
      <TD width="3%"></TD>
      <TD width="1%"></TD>
      <TD width="96"></TD>
  </TR>
  
  <TR valign="top">
      <TD nowrap align="left">(2)</TD>
      <TD>&nbsp;</TD>
      <TD>Incorporated by reference to Altra Industrial Motion, Inc.&#146;s Registration Statement on Form S-4
  (File No.&nbsp;333-124944) filed with the Commission on May&nbsp;16, 2005.</TD>
  </TR>
  
  <TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>
  
  <TR valign="top">
      <TD nowrap align="left">(3)</TD>
      <TD>&nbsp;</TD>
      <TD>Incorporated by reference to the Registrant&#146;s Registration Statement on Form S-1
  (File No.&nbsp;333-137660) filed with the Commission on September&nbsp;29, 2006.</TD>
  </TR>
  
  </TABLE>
  
  
  <!-- link2 "Item&nbsp;9. Undertakings." -->
  <DIV align="left"><A NAME="010"></A></DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;9. Undertakings.</B>
  </DIV>
  
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;&nbsp;&nbsp;The undersigned Registrant hereby undertakes:
  </DIV>
  
  <DIV style="margin-top: 6pt">
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  
  <TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
      <TD width="4%" style="background: transparent">&nbsp;</TD>
      <TD width="2%" nowrap align="left">(1)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>To file, during any period in which offers or sales are being
  made, a post-effective amendment to this Registration Statement:</TD>
  </TR>
  
  </TABLE>
  </DIV>
  
  <DIV style="margin-top: 6pt">
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  
  <TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
      <TD width="7%" style="background: transparent">&nbsp;</TD>
      <TD width="2%" nowrap align="left">(i)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>To include any prospectus required by
  Section&nbsp;10(a)(3) of the Securities Act;</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 6pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
      <TD width="7%" style="background: transparent">&nbsp;</TD>
      <TD width="2%" nowrap align="left">(ii)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>To reflect in the prospectus any facts or
  events arising after the effective date of the Registration Statement
  (or the most recent post-effective amendment thereof) which,
  individually or in the aggregate, represent a fundamental change in
  the information set forth in the Registration Statement.
  Notwithstanding the foregoing, any increase in or decrease in volume
  of securities offered (if the total dollar value of securities
  offered would not exceed that which was registered) and any deviation
  from the low or high end of the estimated maximum offering range may
  be reflected in the form of prospectus filed with the Commission
  pursuant to Rule 424(b) if, in the aggregate, the changes in volume
  and price represent no more than 20&nbsp;percent change in the maximum
  aggregate offering price set forth in the &#147;Calculation of
  Registration Fee&#148; table in the effective registration statement;</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 6pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
      <TD width="7%" style="background: transparent">&nbsp;</TD>
      <TD width="2%" nowrap align="left">(iii)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>To include any material information with
  respect to the plan of distribution not previously disclosed in the
  Registration Statement or any material change to such information in
  the Registration Statement;</TD>
  </TR>
  
  </TABLE>
  </DIV>
  
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 7%">provided, however, that paragraphs (1)(i) and (1)(ii) do not apply if the
  information required to be included in a post-effective amendment by those
  paragraphs is contained in periodic reports filed by the Registrant
  pursuant to Section&nbsp;13 or 15(d) of the Exchange Act that are incorporated
  by reference in this Registration Statement;
  </DIV>
  
  <DIV style="margin-top: 6pt">
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  
  <TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
      <TD width="4%" style="background: transparent">&nbsp;</TD>
      <TD width="2%" nowrap align="left">(2)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>That, for the purpose of determining any liability under the
  Securities Act, each such post-effective amendment shall be deemed to be a new
  registration statement relating to the securities offered therein, and the
  offering of such securities at that time shall be deemed to be the initial
  <U>bona</U> <U>fide</U> offering thereof; and</TD>
  </TR>
  
  </TABLE>
  </DIV>
  
  <DIV style="margin-top: 6pt">
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  
  <TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
      <TD width="4%" style="background: transparent">&nbsp;</TD>
      <TD width="2%" nowrap align="left">(3)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>To remove from registration by means of a post-effective
  amendment any of the securities being registered which remain unsold at the
  termination of the offering.</TD>
  </TR>
  
  </TABLE>
  </DIV>
  
  <DIV style="margin-top: 6pt">
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  
  <TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
      <TD width="1%" nowrap align="left">&nbsp;&nbsp;&nbsp;&nbsp;(b)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>The undersigned Registrant hereby undertakes that, for purposes of
  determining any liability under the Securities Act, each filing of the Registrant&#146;s
  annual report pursuant to Section 13(a) or Section 15(d) of the Exchange Act (and,
  where applicable, each filing of an employee benefit plan&#146;s annual report pursuant to
  Section 15(d) of the Exchange Act)</TD>
  </TR>
  
  </TABLE>
  </DIV>
  <P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
  </DIV>
  
  <!-- PAGEBREAK -->
  <P><HR noshade><P>
  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  <DIV style="font-family: 'Times New Roman',Times,serif">
  
  
  <DIV style="margin-top: 6pt"><TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  <TR valign="top" style="font-size: 10pt; color: #textcolor#; background: #bgcolor#">
      <TD width="2%" nowrap align="left">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>that is incorporated by reference in this Registration Statement shall be deemed to
  be a new registration statement relating to the securities offered therein, and the
  offering of such securities at that time shall be deemed to be the initial
  <U>bona</U> <U>fide</U> offering thereof.</TD>
  </TR>
  
  </TABLE>
  </DIV>
  
  <DIV style="margin-top: 6pt">
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  
  <TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
      <TD width="2%" nowrap align="left">(c)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>Insofar as indemnification for liabilities arising under the Securities Act
  may be permitted to directors, officers and controlling persons of the Registrant
  pursuant to the foregoing provisions, or otherwise, the Registrant has been advised
  that in the opinion of the Commission such indemnification is against public policy as
  expressed in the Securities Act and is, therefore, unenforceable. In the event that a
  claim for indemnification against such liabilities (other than the payment by the
  Registrant of expenses incurred or paid by a director, officer or controlling person
  of the Registrant in the successful defense of any action, suit or proceeding) is
  asserted by such director, officer or controlling person in connection with the
  securities being registered, the Registrant will, unless in the opinion of its counsel
  the matter has been settled by controlling precedent, submit to a court of appropriate
  jurisdiction the question whether such indemnification by it is against public policy
  as expressed in the Securities Act and will be governed by the final adjudication of
  such issue.</TD>
  </TR>
  
  </TABLE>
  </DIV>
  <P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
  </DIV>
  
  <!-- PAGEBREAK -->
  <P><HR noshade><P>
  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  <DIV style="font-family: 'Times New Roman',Times,serif">
  
  
  <DIV style="margin-top: 6pt"><TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  
  
  
  </TABLE>
  </DIV>
  <!-- link1 "SIGNATURES" -->
  <DIV align="left"><A NAME="011"></A></DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES</B>
  </DIV>
  
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it
  has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
  has duly caused this Registration Statement to be signed on its behalf by the undersigned,
  thereunto duly authorized in the City of Quincy, State of
  Massachusetts, on this 31st day of
  January, 2007.
  </DIV>
  
  <TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
  <TR>
      <TD width="48%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
      <TD width="35%">&nbsp;</TD>
      <TD width="15%">&nbsp;</TD>
  </TR>
  <TR>
      <TD valign="top" align="left">&nbsp;</TD>
      <TD colspan="3" align="left">ALTRA HOLDINGS, INC.<BR>
  &nbsp;</TD>
      <TD>&nbsp;</TD>
  </TR><TR>
      <TD align="left">&nbsp;</TD>
      <TD valign="top">By:&nbsp;&nbsp;</TD>
      <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ David A. Wall
  &nbsp;</TD>
      <TD>&nbsp;</TD>
  </TR><TR>
      <TD align="left">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD valign="top">Name:&nbsp;&nbsp;</TD>
      <TD align="left">David A. Wall&nbsp;</TD>
      <TD>&nbsp;</TD>
  </TR><TR>
      <TD align="left">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD valign="top">Title:&nbsp;&nbsp;</TD>
      <TD align="left">Chief Financial Officer&nbsp;</TD>
      <TD>&nbsp;</TD>
  </TR>
  <TR>
      <TD colspan="5">&nbsp;</TD>
  </TR>
  </TABLE>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>POWER OF ATTORNEY</B>
  </DIV>
  
  
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and
  appoints each of David A. Wall and Todd Patriacca, or any of them, each acting alone, his true and
  lawful attorney-in-fact and agent, with full powers of substitution and resubstitution, for such
  person and in his name, place and stead, in any and all capacities, in connection with the
  Registrant&#146;s Registration Statement on Form S-8 under the Securities Act of 1933, including to sign
  the Registration Statement and any and all amendments to this Registration Statement, and to file
  the same, with all exhibits thereto, and other documents in connection therewith, with the
  Securities and Exchange Commission and any applicable securities exchange or securities
  self-regulatory body, granting unto said attorneys-in-fact and agents, each acting alone, full
  power and authority to do and perform each and every act and thing requisite and necessary to be
  done in and about the premises, as fully, to all intents and purposes as he might or could do in
  person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or his
  substitute or substitutes, may lawfully do or cause to be done by virtue hereof.
  </DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has
  been signed by the following persons in the capacities and on the date indicated.
  </DIV>
  <DIV align="left">
  <TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
  <!-- Begin Table Head -->
  <TR valign="bottom">
      <TD width="34%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="22%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="34%">&nbsp;</TD>
  </TR>
  <TR style="font-size: 10pt" valign="bottom">
      <TD nowrap align="center"><u>Signature</u></TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center"><u>Title</u></TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center"><u>Date</u></TD>
  </TR>
  
  <!-- End Table Head -->
  <!-- Begin Table Body -->
  <TR>
      <TD>&nbsp;</TD>
  </TR>
  
  <TR valign="bottom">
      <TD align="center" valign="top">/s/ Michael L. Hurt
  <DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
  Michael L. Hurt</TD>
      <TD>&nbsp;</TD>
      <TD align="left">
  Chief Executive Officer and<BR>
  Chairman of the Board<BR>
  (Principal Executive Officer)
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">January 31, 2007</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em"><!-- Blank Space -->
      <TD align="right">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em">
      <TD align="center" valign="top">/s/ David A. Wall
  <DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
  David A. Wall</TD>
      <TD>&nbsp;</TD>
      <TD align="left">
  Chief Financial Officer<BR>
  (Principal Financial Officer &#038;<BR>
  Principal Accounting Officer)
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">January 31, 2007</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em"><!-- Blank Space -->
      <TD align="right">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em">
      <TD align="center" valign="top">/s/ Frank E. Bauchiero
  <DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
  Frank E. Bauchiero</TD>
      <TD>&nbsp;</TD>
      <TD align="left">Director&nbsp;<BR><BR>
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">January 31, 2007</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em"><!-- Blank Space -->
      <TD align="right">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em">
      <TD align="center" valign="top">/s/ Jean-Pierre L. Conte
  <DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
  Jean-Pierre L. Conte</TD>
      <TD>&nbsp;</TD>
      <TD align="left">Director&nbsp;<BR><BR>
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">January 31, 2007</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em"><!-- Blank Space -->
      <TD align="right">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em">
      <TD align="center" valign="top">/s/ Darren J. Gold
  <DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
  Darren J. Gold</TD>
      <TD>&nbsp;</TD>
      <TD align="left">Director&nbsp;<BR><BR>
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">January 31, 2007</TD>
  </TR>
  <!-- End Table Body -->
  </TABLE>
  </DIV>
  
  
  <P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
  </DIV>
  
  <!-- PAGEBREAK -->
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      <TD width="34%">&nbsp;</TD>
  </TR>
  <TR style="font-size: 10pt" valign="bottom">
      <TD nowrap align="center"><u>Signature</u></TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center"><u>Title</u></TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center"><u>Date</u></TD>
  </TR>
  
  <!-- End Table Head -->
  <!-- Begin Table Body -->
  <TR>
      <TD>&nbsp;</TD>
  </TR>
  
  <TR valign="bottom" style="padding-top: 1em">
      <TD align="center" valign="top">/s/ Larry McPherson
  <DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
  Larry McPherson</TD>
      <TD>&nbsp;</TD>
      <TD align="left">Director&nbsp;<BR><BR>
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">January 31, 2007</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em"><!-- Blank Space -->
      <TD align="right">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em">
      <TD align="center" valign="top">/s/ Richard D. Paterson
  <DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
  Richard D. Paterson</TD>
      <TD>&nbsp;</TD>
      <TD align="left">Director&nbsp;<BR><BR>
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">January 31, 2007</TD>
  </TR>
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  <!-- link1 "EXHIBIT INDEX" -->
  <DIV align="left"><A NAME="012"></A></DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>EXHIBIT INDEX</B>
  </DIV>
  
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  </TR>
  <TR style="font-size: 10pt" valign="bottom">
      <TD nowrap align="center"><U><B>Exhibit No.</B></U></TD>
      <TD>&nbsp;</TD>
  
      <TD nowrap align="left"><U><B>Description</B></U></TD>
  </TR>
  
  <!-- End Table Head -->
  <!-- Begin Table Body -->
  <TR>
      <TD>&nbsp;</TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">3.1(1)
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Second Amended and Restated Certificate of Incorporation of Altra Holdings, Inc., dated as
  of December&nbsp;20, 2006.</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">3.2(1)
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Amended and Restated Bylaws of Altra Holdings, Inc., dated as of December&nbsp;20, 2006.</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1(2)
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Altra Holdings, Inc. 2004 Equity Incentive Plan.</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2(3)
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Amendment to Altra Holdings, Inc. 2004 Equity Incentive Plan.</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3(1)
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Second Amendment to Altra Holdings, Inc. 2004 Equity Incentive Plan.</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Opinion of Weil, Gotshal &#038; Manges LLP (filed herewith).</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Consent of Ernst &#038; Young LLP, independent registered public accounting firm (filed herewith).</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Consent of BDO Stoy Hayward LLP, independent chartered accountants (filed herewith).</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.3
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Consent of Weil, Gotshal &#038; Manges LLP (included in its opinion which appears as Exhibit&nbsp;5.1
  to this Registration Statement).</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Power of Attorney (included as part of the signature page to this Registration Statement and
  incorporated herein by reference).</TD>
  </TR>
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      <TD width="3%"></TD>
      <TD width="1%"></TD>
      <TD width="96"></TD>
  </TR>
  
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      <TD nowrap align="left">(1)</TD>
      <TD>&nbsp;</TD>
      <TD>Incorporated by reference to Amendment No.&nbsp;4 to the Registrant&#146;s Registration Statement on
  Form S-1 (File No.&nbsp;333-137660) filed with the Commission on December&nbsp;4, 2006.</TD>
  </TR>
  
  <TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>
  
  <TR valign="top">
      <TD nowrap align="left">(2)</TD>
      <TD>&nbsp;</TD>
      <TD>Incorporated by reference to Altra Industrial Motion, Inc.&#146;s Registration Statement on Form
  S-4 (File No.&nbsp;333-124944) filed with the Commission on May&nbsp;16, 2005.</TD>
  </TR>
  
  <TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>
  
  <TR valign="top">
      <TD nowrap align="left">(3)</TD>
      <TD>&nbsp;</TD>
      <TD>Incorporated by reference to the Registrant&#146;s Registration Statement on Form S-1
  (File No.&nbsp;333-137660) filed with the Commission on September&nbsp;29, 2006.</TD>
  </TR>
  
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text: sv8
  Table of Contents
  As
  filed with the Securities and Exchange Commission on January 31, 2007
  Registration No. 333-________
  UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  WASHINGTON, D.C. 20549
  FORM S-8
  REGISTRATION STATEMENT
  UNDER
  THE SECURITIES ACT OF 1933
  ALTRA HOLDINGS, INC.
  (Exact Name of Registrant as Specified in its Charter)
  Delaware
  61-1478870
  (State or Other Jurisdiction of Incorporation or Organization)
  (I.R.S. Employer Identification No.)
  14 Hayward Street
  Quincy, Massachusetts 02171
  (617) 328-3300
  (Address, Including Zip Code, and Telephone Number,
  including Area Code, of Registrant's Principal Executive Offices)
  ALTRA HOLDINGS, INC. 2004 EQUITY INCENTIVE PLAN
  (Full Title of Plan)
  Michael L. Hurt
  Chief Executive Officer
  Altra Holdings, Inc.
  14 Hayward Street
  Quincy, Massachusetts 02171
  (617) 328-3300
  (Name and Address, Including Zip Code,
  and Telephone Number, Including Area Code, of Agent For Service)
  Copies to:
  Craig W. Adas
  Weil, Gotshal & Manges LLP
  201 Redwood Shores Parkway
  Redwood Shores, California 94065
  (650) 802-3000
  CALCULATION OF REGISTRATION FEE
  Title of Each Class of
  Amount to be
  Proposed Maximum
  Proposed Maximum
  Amount of
  Securities to be Registered
  Registered(1)
  Offering Price Per Share(2)
  Aggregate Offering Price(2)
  Registration Fee
  Common Stock,
  par value $0.001 per share
  2,210,355 shares
  $14.40
  $31,829,112
  $3,406
  (1)
  In accordance with Rule 416 under the Securities Act of 1933, as amended, this Registration
  Statement shall also cover any additional shares of the Registrant's Common Stock which become
  issuable under the plan by reason of a stock dividend, stock split, recapitalization or other
  similar transaction.
  (2)
  Estimated pursuant to Rule 457(c) and (h) of the Securities Act of 1933, as amended, solely
  for the purposes of calculating the registration fee, based upon the average of the high and
  low prices of the Company's Common Stock on January 25, 2007, as reported by the NASDAQ Global
  Market.
  TABLE OF CONTENTS
  PART I
  INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
  PART II
  INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
  Item 3. Incorporation of Documents by Reference.
  Item 4. Description of Securities.
  Item 5. Interests of Named Experts and Counsel.
  Item 6. Indemnification of Directors and Officers.
  Item 7. Exemption from Registration Claimed.
  Item 8. Exhibits.
  Item 9. Undertakings.
  SIGNATURES
  EXHIBIT INDEX
  EX-5.1 OPINION OF WEIL, GOTSHAL & MANGES LLP
  EX-23.1 CONSENT OF ERNST & YOUNG LLP
  EX-23.2 CONSENT OF BDO STOY HAYWARD LLP
  Table of Contents
  PART I
  INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
  The documents containing the information required by Part I of Form S-8 will be sent or given
  to plan participants as specified by Rule 428(b)(1) of the Securities Act of 1933, as amended (the
  "Securities Act"). Such documents are not required to be and are not filed with the Securities and
  Exchange Commission (the "Commission") either as part of this Registration Statement or as
  prospectuses or prospectus supplements pursuant to Rule 424 of the Securities Act. These documents
  and the documents incorporated by reference in this Registration Statement pursuant to Item 3 of
  Part II of this Form S-8, taken together, constitute a prospectus that meets the requirements of
  Section 10(a) of the Securities Act.
  PART II
  INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
  Item 3. Incorporation of Documents by Reference.
  The following documents filed with the Commission by Altra Holdings, Inc. (the "Registrant")
  are incorporated herein by reference:
  (a)
  The Registrant's Prospectus filed on December 15, 2006 pursuant to Rule
  424(b) of the Securities Act, containing audited financial statements for the
  Registrant's latest fiscal year;
  (b)
  The Registrant's Current Reports on Form 8-K filed with the Commission on
  December 15, 2006, December 20, 2006, January 4,
  2007 and January 26, 2007; and
  (c)
  The description of the Registrant's Common Stock which is contained in the
  Registration Statement on Form 8-A/A filed on December 13, 2006, including any
  amendment or reports filed for the purpose of updating such description.
  All documents subsequently filed by the Registrant with the Commission pursuant to Sections
  13(a), 13(c), 14 and 15(d) of the Exchange Act, prior to the filing of a post-effective amendment
  to this Registration Statement which indicates that all securities offered have been sold or which
  deregisters all securities then remaining unsold, shall be deemed to be incorporated by reference
  in this Registration Statement and to be a part hereof from the date of filing of such documents.
  Any statement contained herein or in a document incorporated or deemed to be incorporated by
  reference herein shall be deemed to be modified or superseded for purposes of this Registration
  Statement to the extent that a statement contained herein or in any subsequently filed document
  which also is or is deemed to be incorporated by reference herein modifies or supersedes such
  statement. Any statement so modified or superseded shall not be deemed, except as so modified or
  superseded, to constitute a part of this Registration Statement. Copies of these documents are not
  required to be filed with this Registration Statement.
  Table of Contents
  Item 4. Description of Securities.
  Not applicable.
  Item 5. Interests of Named Experts and Counsel
  .
  Not applicable.
  Item 6. Indemnification of Directors and Officers.
  The following is a summary of the statute, charter and bylaw provisions or other arrangements
  under which the Registrant's directors and officers are insured or indemnified against liability in
  their capacities as such. All the directors and officers of the Registrant are covered by insurance
  policies maintained and held in effect by Registrant against certain liabilities for actions taken
  in their capacities as such, including liabilities under the Securities Act. In addition, three of
  the Registrant's directors, Messrs. Conte, Paterson and Gold, are also indemnified by insurance
  policies maintained and held by Genstar Capital, LLC.
  Section 145 of Delaware General Corporation Law.
  The Registrant is incorporated under the laws of the State of Delaware. Section 145 of the
  Delaware General Corporation Law, or DGCL, provides that a corporation may indemnify any person who
  was or is a party or is threatened to be made a party to any threatened, pending or completed
  action, suit or proceeding, whether civil, criminal, administrative or investigative (other than an
  action by or in the right of the corporation) by reason of the fact that the person is or was a
  director, officer, employee, or agent of the corporation, or is or was serving at the request of
  the corporation as a director, officer, employee or agent of another corporation, partnership,
  joint venture, trust or other enterprise against expenses (including attorneys' fees), judgments,
  fines and amounts paid in settlement actually and reasonably incurred by him in connection with
  such action, suit, or proceeding if the person acted in good faith and in a manner the person
  reasonably believed to be in or not opposed to the best interests of the corporation, and, with
  respect to any criminal action or proceeding, had no reasonable cause to believe the person's
  conduct was unlawful.
  Section 145 also provides that a corporation may indemnify any person who was or is a party or
  is threatened to be made a party to any threatened, pending, or completed action or suit by or in
  the right of the corporation to procure a judgment in its favor by reason of the fact that such
  person is or was a director, officer, employee or agent of the corporation, or is or was serving at
  the request of the corporation as a director, officer, employee or agent of another corporation,
  partnership, joint venture, trust or other enterprise against expenses (including attorneys' fees)
  actually and reasonably incurred by the person in connection with the defense or settlement of such
  action or suit if the person acted in good faith and in a manner the person reasonably believed to
  be in or not opposed to the best interests of the corporation and except that no indemnification
  shall be made in respect of any claim, issue or matter as to which such person shall have been
  adjudged to be liable to the corporation unless and only to the extent that the Court of Chancery
  of Delaware or the court in which such action or suit was brought shall determine upon application
  that, despite the adjudication of liability but in view of all the circumstances of the case, such
  person is fairly and reasonably entitled to indemnity for such expenses which the Court of Chancery
  of Delaware or such other court shall deem proper.
  To the extent that a present or former director or officer of a corporation has been
  successful on the merits or otherwise in defense of any action, suit or proceeding referred to
  above, or in defense of any claim, issue or matter therein, such person shall be indemnified
  against expenses (including attorneys' fees) actually and reasonably incurred by such person in
  connection therewith; provided that indemnification provided for by Section 145 or granted pursuant
  thereto shall not be deemed exclusive of any other rights to which the indemnified party may be
  entitled; and a Delaware corporation shall have power to purchase and maintain insurance on behalf
  of any person who is or was a director, officer,
  Table of Contents
  employee or agent of the corporation, or is or was serving at the request of the corporation
  as a director, officer, employee or agent of another corporation, partnership, joint venture, trust
  or other enterprise against any liability asserted against such person and incurred by such person
  in any such capacity or arising out of such person's status as such whether or not the corporation
  would have the power to indemnify such person against such liabilities under Section 145.
  Certificate of Incorporation Provisions on Indemnification.
  The Registrant's Certificate of Incorporation provides that a director of the corporation
  shall not be personally liable to either the corporation or any of its stockholder for monetary
  damages for a breach of fiduciary duty except for (i) breaches of the duty of loyalty to the
  corporation or its stockholders, (ii) acts or omissions not in good faith or involving intentional
  misconduct or knowing violation of the law, (iii) as required by Section 174 of the DGCL or (iv) a
  transaction resulting in an improper personal benefit. In addition the corporation has the power to
  indemnify any person serving as a director, officer or agent of the corporation to the fullest
  extent permitted by law.
  By-law Provisions on Indemnification.
  The Registrant's By-laws provide generally that the corporation has the power to indemnify its
  directors, officers, employees and agents who are or were a party, or threatened to be made a
  party, to any threatened, pending, or contemplated action, suit or proceeding, whether civil,
  criminal, administrative or investigative (other than an action by or in the right of the
  corporation), by reason of the fact that such person is or was the director, officer, employee or
  agent of the corporation, or is or was serving in such a position at its request of any other
  corporation, partnership, joint venture, trust or other enterprise.
  Item 7. Exemption from Registration Claimed.
  Not applicable.
  Item 8. Exhibits.
  3.1(1)
  Second Amended and Restated Certificate of Incorporation of Altra Holdings, Inc., dated as
  of December 20, 2006.
  3.2(1)
  Amended and Restated Bylaws of Altra Holdings, Inc., dated as of December 20, 2006.
  4.1(2)
  Altra Holdings, Inc. 2004 Equity Incentive Plan.
  4.2(3)
  Amendment to Altra Holdings, Inc. 2004 Equity Incentive Plan.
  4.3(1)
  Second Amendment to Altra Holdings, Inc. 2004 Equity Incentive Plan.
  5.1
  Opinion of Weil, Gotshal & Manges LLP (filed herewith).
  23.1
  Consent of Ernst & Young LLP, independent registered public accounting firm (filed herewith).
  23.2
  Consent of BDO Stoy Hayward LLP, independent chartered accountants (filed herewith).
  23.3
  Consent of Weil, Gotshal & Manges LLP (included in its opinion which appears as Exhibit 5.1 to this Registration Statement).
  24.1
  Power of Attorney (included as part of the signature page to this Registration Statement and incorporated herein by reference).
  (1)
  Incorporated by reference to Amendment No. 4 to the Registrant's Registration Statement on
  Form S-1 (File No. 333-137660) filed with the Commission on December 4, 2006.
  Table of Contents
  (2)
  Incorporated by reference to Altra Industrial Motion, Inc.'s Registration Statement on Form S-4
  (File No. 333-124944) filed with the Commission on May 16, 2005.
  (3)
  Incorporated by reference to the Registrant's Registration Statement on Form S-1
  (File No. 333-137660) filed with the Commission on September 29, 2006.
  Item 9. Undertakings.
  (a)   The undersigned Registrant hereby undertakes:
  (1)
  To file, during any period in which offers or sales are being
  made, a post-effective amendment to this Registration Statement:
  (i)
  To include any prospectus required by
  Section 10(a)(3) of the Securities Act;
  (ii)
  To reflect in the prospectus any facts or
  events arising after the effective date of the Registration Statement
  (or the most recent post-effective amendment thereof) which,
  individually or in the aggregate, represent a fundamental change in
  the information set forth in the Registration Statement.
  Notwithstanding the foregoing, any increase in or decrease in volume
  of securities offered (if the total dollar value of securities
  offered would not exceed that which was registered) and any deviation
  from the low or high end of the estimated maximum offering range may
  be reflected in the form of prospectus filed with the Commission
  pursuant to Rule 424(b) if, in the aggregate, the changes in volume
  and price represent no more than 20 percent change in the maximum
  aggregate offering price set forth in the "Calculation of
  Registration Fee" table in the effective registration statement;
  (iii)
  To include any material information with
  respect to the plan of distribution not previously disclosed in the
  Registration Statement or any material change to such information in
  the Registration Statement;
  provided, however, that paragraphs (1)(i) and (1)(ii) do not apply if the
  information required to be included in a post-effective amendment by those
  paragraphs is contained in periodic reports filed by the Registrant
  pursuant to Section 13 or 15(d) of the Exchange Act that are incorporated
  by reference in this Registration Statement;
  (2)
  That, for the purpose of determining any liability under the
  Securities Act, each such post-effective amendment shall be deemed to be a new
  registration statement relating to the securities offered therein, and the
  offering of such securities at that time shall be deemed to be the initial
  bona
  fide
  offering thereof; and
  (3)
  To remove from registration by means of a post-effective
  amendment any of the securities being registered which remain unsold at the
  termination of the offering.
  (b)
  The undersigned Registrant hereby undertakes that, for purposes of
  determining any liability under the Securities Act, each filing of the Registrant's
  annual report pursuant to Section 13(a) or Section 15(d) of the Exchange Act (and,
  where applicable, each filing of an employee benefit plan's annual report pursuant to
  Section 15(d) of the Exchange Act)
  Table of Contents
  that is incorporated by reference in this Registration Statement shall be deemed to
  be a new registration statement relating to the securities offered therein, and the
  offering of such securities at that time shall be deemed to be the initial
  bona
  fide
  offering thereof.
  (c)
  Insofar as indemnification for liabilities arising under the Securities Act
  may be permitted to directors, officers and controlling persons of the Registrant
  pursuant to the foregoing provisions, or otherwise, the Registrant has been advised
  that in the opinion of the Commission such indemnification is against public policy as
  expressed in the Securities Act and is, therefore, unenforceable. In the event that a
  claim for indemnification against such liabilities (other than the payment by the
  Registrant of expenses incurred or paid by a director, officer or controlling person
  of the Registrant in the successful defense of any action, suit or proceeding) is
  asserted by such director, officer or controlling person in connection with the
  securities being registered, the Registrant will, unless in the opinion of its counsel
  the matter has been settled by controlling precedent, submit to a court of appropriate
  jurisdiction the question whether such indemnification by it is against public policy
  as expressed in the Securities Act and will be governed by the final adjudication of
  such issue.
  Table of Contents
  SIGNATURES
  Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it
  has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
  has duly caused this Registration Statement to be signed on its behalf by the undersigned,
  thereunto duly authorized in the City of Quincy, State of
  Massachusetts, on this 31st day of
  January, 2007.
  ALTRA HOLDINGS, INC.
  By:
  /s/ David A. Wall
  Name:
  David A. Wall
  Title:
  Chief Financial Officer
  POWER OF ATTORNEY
  KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and
  appoints each of David A. Wall and Todd Patriacca, or any of them, each acting alone, his true and
  lawful attorney-in-fact and agent, with full powers of substitution and resubstitution, for such
  person and in his name, place and stead, in any and all capacities, in connection with the
  Registrant's Registration Statement on Form S-8 under the Securities Act of 1933, including to sign
  the Registration Statement and any and all amendments to this Registration Statement, and to file
  the same, with all exhibits thereto, and other documents in connection therewith, with the
  Securities and Exchange Commission and any applicable securities exchange or securities
  self-regulatory body, granting unto said attorneys-in-fact and agents, each acting alone, full
  power and authority to do and perform each and every act and thing requisite and necessary to be
  done in and about the premises, as fully, to all intents and purposes as he might or could do in
  person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or his
  substitute or substitutes, may lawfully do or cause to be done by virtue hereof.
  Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has
  been signed by the following persons in the capacities and on the date indicated.
  Signature
  Title
  Date
  /s/ Michael L. Hurt
  Michael L. Hurt
  Chief Executive Officer and
  Chairman of the Board
  (Principal Executive Officer)
  January 31, 2007
  /s/ David A. Wall
  David A. Wall
  Chief Financial Officer
  (Principal Financial Officer &
  Principal Accounting Officer)
  January 31, 2007
  /s/ Frank E. Bauchiero
  Frank E. Bauchiero
  Director
  January 31, 2007
  /s/ Jean-Pierre L. Conte
  Jean-Pierre L. Conte
  Director
  January 31, 2007
  /s/ Darren J. Gold
  Darren J. Gold
  Director
  January 31, 2007
  Table of Contents
  Signature
  Title
  Date
  /s/ Larry McPherson
  Larry McPherson
  Director
  January 31, 2007
  /s/ Richard D. Paterson
  Richard D. Paterson
  Director
  January 31, 2007
  Table of Contents
  EXHIBIT INDEX
  Exhibit No.
  Description
  3.1(1)
  Second Amended and Restated Certificate of Incorporation of Altra Holdings, Inc., dated as
  of December 20, 2006.
  3.2(1)
  Amended and Restated Bylaws of Altra Holdings, Inc., dated as of December 20, 2006.
  4.1(2)
  Altra Holdings, Inc. 2004 Equity Incentive Plan.
  4.2(3)
  Amendment to Altra Holdings, Inc. 2004 Equity Incentive Plan.
  4.3(1)
  Second Amendment to Altra Holdings, Inc. 2004 Equity Incentive Plan.
  5.1
  Opinion of Weil, Gotshal & Manges LLP (filed herewith).
  23.1
  Consent of Ernst & Young LLP, independent registered public accounting firm (filed herewith).
  23.2
  Consent of BDO Stoy Hayward LLP, independent chartered accountants (filed herewith).
  23.3
  Consent of Weil, Gotshal & Manges LLP (included in its opinion which appears as Exhibit 5.1
  to this Registration Statement).
  24.1
  Power of Attorney (included as part of the signature page to this Registration Statement and
  incorporated herein by reference).
  (1)
  Incorporated by reference to Amendment No. 4 to the Registrant's Registration Statement on
  Form S-1 (File No. 333-137660) filed with the Commission on December 4, 2006.
  (2)
  Incorporated by reference to Altra Industrial Motion, Inc.'s Registration Statement on Form
  S-4 (File No. 333-124944) filed with the Commission on May 16, 2005.
  (3)
  Incorporated by reference to the Registrant's Registration Statement on Form S-1
  (File No. 333-137660) filed with the Commission on September 29, 2006.