<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType>
	<periodOfReport>2003-06-12</periodOfReport>
	<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000101829</issuerCik>
        <issuerName>UNITED TECHNOLOGIES CORP /DE/</issuerName>
        <issuerTradingSymbol>UTX</issuerTradingSymbol>
	</issuer>
	<reportingOwner>
		<reportingOwnerId>
            <rptOwnerCik>0001184184</rptOwnerCik>
            <rptOwnerName>CHENEVERT LOUIS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
			<isDirector>0</isDirector>
			<isOfficer>1</isOfficer>
			<isTenPercentOwner>0</isTenPercentOwner>
			<isOther>0</isOther>
			<officerTitle>President, Pratt &amp; Whitney</officerTitle>
		</reportingOwnerRelationship>
	</reportingOwner>
	<nonDerivativeSecurity>
		<securityTitle>
			<value>Common Stock</value>
		</securityTitle>
		<transactionDate>
			<value>2003-06-10</value>
		</transactionDate>
		<transactionCoding>
			<transactionFormType>4</transactionFormType>
			<transactionCode>F</transactionCode>
			<equitySwapInvolved>0</equitySwapInvolved>
		</transactionCoding>
		<transactionAmounts>
			<transactionShares>
				<value>4753</value>
			</transactionShares>
			<transactionValue>
				<value>0</value>
			</transactionValue>
			<transactionAcquiredDisposedCode>
				<value>D</value>
			</transactionAcquiredDisposedCode>
		</transactionAmounts>
		<postTransactionAmounts>
			<sharesOwnedFollowingTransaction>
				<value>8365.0000</value>
			</sharesOwnedFollowingTransaction>
		</postTransactionAmounts>
		<ownershipNature>
			<directOrIndirectOwnership>
				<value>D</value>
			</directOrIndirectOwnership>
			<natureOfOwnership>
				<value/>
			</natureOfOwnership>
		</ownershipNature>
	</nonDerivativeSecurity>
	<nonDerivativeSecurity>
		<securityTitle>
			<value>Common Stock</value>
		</securityTitle>
		<transactionDate>
			<value>2003-06-10</value>
		</transactionDate>
		<transactionCoding>
			<transactionFormType>4</transactionFormType>
			<transactionCode>F</transactionCode>
			<equitySwapInvolved>0</equitySwapInvolved>
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		<transactionAmounts>
			<transactionShares>
				<value>1624</value>
			</transactionShares>
			<transactionValue>
				<value>0</value>
			</transactionValue>
			<transactionAcquiredDisposedCode>
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			</transactionAcquiredDisposedCode>
		</transactionAmounts>
		<postTransactionAmounts>
			<sharesOwnedFollowingTransaction>
				<value>6741.0000</value>
			</sharesOwnedFollowingTransaction>
		</postTransactionAmounts>
		<ownershipNature>
			<directOrIndirectOwnership>
				<value>D</value>
			</directOrIndirectOwnership>
			<natureOfOwnership>
				<value/>
			</natureOfOwnership>
		</ownershipNature>
	</nonDerivativeSecurity>
	<nonDerivativeSecurity>
		<securityTitle>
			<value>Common Stock</value>
		</securityTitle>
		<transactionDate>
			<value>2003-06-12</value>
		</transactionDate>
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			<transactionFormType>4</transactionFormType>
			<transactionCode>M</transactionCode>
			<equitySwapInvolved>0</equitySwapInvolved>
		</transactionCoding>
		<transactionAmounts>
			<transactionShares>
				<value>10000</value>
			</transactionShares>
			<transactionValue>
				<value>25.0000</value>
			</transactionValue>
			<transactionAcquiredDisposedCode>
				<value>A</value>
			</transactionAcquiredDisposedCode>
		</transactionAmounts>
		<postTransactionAmounts>
			<sharesOwnedFollowingTransaction>
				<value>16741.0000</value>
			</sharesOwnedFollowingTransaction>
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		<ownershipNature>
			<directOrIndirectOwnership>
				<value>D</value>
			</directOrIndirectOwnership>
			<natureOfOwnership>
				<value/>
			</natureOfOwnership>
		</ownershipNature>
	</nonDerivativeSecurity>
	<nonDerivativeSecurity>
		<securityTitle>
			<value>Common Stock</value>
		</securityTitle>
		<transactionDate>
			<value>2003-06-12</value>
		</transactionDate>
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			<transactionFormType>4</transactionFormType>
			<transactionCode>M</transactionCode>
			<equitySwapInvolved>0</equitySwapInvolved>
		</transactionCoding>
		<transactionAmounts>
			<transactionShares>
				<value>10000</value>
			</transactionShares>
			<transactionValue>
				<value>34.5000</value>
			</transactionValue>
			<transactionAcquiredDisposedCode>
				<value>A</value>
			</transactionAcquiredDisposedCode>
		</transactionAmounts>
		<postTransactionAmounts>
			<sharesOwnedFollowingTransaction>
				<value>26741.0000</value>
			</sharesOwnedFollowingTransaction>
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		<ownershipNature>
			<directOrIndirectOwnership>
				<value>D</value>
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			<natureOfOwnership>
				<value/>
			</natureOfOwnership>
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	</nonDerivativeSecurity>
	<nonDerivativeSecurity>
		<securityTitle>
			<value>Common Stock</value>
		</securityTitle>
		<transactionDate>
			<value>2003-06-12</value>
		</transactionDate>
		<transactionCoding>
			<transactionFormType>4</transactionFormType>
			<transactionCode>F</transactionCode>
			<equitySwapInvolved>0</equitySwapInvolved>
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		<transactionAmounts>
			<transactionShares>
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			</transactionShares>
			<transactionValue>
				<value>0</value>
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			<transactionAcquiredDisposedCode>
				<value>D</value>
			</transactionAcquiredDisposedCode>
		</transactionAmounts>
		<postTransactionAmounts>
			<sharesOwnedFollowingTransaction>
				<value>23297.0000</value>
			</sharesOwnedFollowingTransaction>
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		<ownershipNature>
			<directOrIndirectOwnership>
				<value>D</value>
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			<natureOfOwnership>
				<value/>
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	</nonDerivativeSecurity>
	<nonDerivativeSecurity>
		<securityTitle>
			<value>Common Stock</value>
		</securityTitle>
		<transactionDate>
			<value>2003-06-12</value>
		</transactionDate>
		<transactionCoding>
			<transactionFormType>4</transactionFormType>
			<transactionCode>F</transactionCode>
			<equitySwapInvolved>0</equitySwapInvolved>
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		<transactionAmounts>
			<transactionShares>
				<value>2029</value>
			</transactionShares>
			<transactionValue>
				<value>0</value>
			</transactionValue>
			<transactionAcquiredDisposedCode>
				<value>D</value>
			</transactionAcquiredDisposedCode>
		</transactionAmounts>
		<postTransactionAmounts>
			<sharesOwnedFollowingTransaction>
				<value>21268.0000</value>
			</sharesOwnedFollowingTransaction>
		</postTransactionAmounts>
		<ownershipNature>
			<directOrIndirectOwnership>
				<value>D</value>
			</directOrIndirectOwnership>
			<natureOfOwnership>
				<value/>
			</natureOfOwnership>
		</ownershipNature>
	</nonDerivativeSecurity>
	<derivativeSecurity>
		<securityTitle>
			<value>Non-Qualified Stock Option (right to buy)</value>
		</securityTitle>
		<conversionOrExercisePrice>
			<value>25.0000</value>
		</conversionOrExercisePrice>
		<transactionDate>
			<value>2003-06-12</value>
		</transactionDate>
		<transactionCoding>
			<transactionFormType>4</transactionFormType>
			<transactionCode>M</transactionCode>
			<equitySwapInvolved>0</equitySwapInvolved>
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		<transactionAmounts>
			<transactionShares>
				<value>10000</value>
			</transactionShares>
			<transactionValue>
				<value>0</value>
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			<transactionAcquiredDisposedCode>
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			</transactionAcquiredDisposedCode>
		</transactionAmounts>
		<exerciseDate>
			<value>1999-02-05</value>
		</exerciseDate>
		<expirationDate>
			<value>2006-02-03</value>
		</expirationDate>
		<underlyingSecurity>
			<underlyingSecurityTitle>
				<value>Common Stock</value>
			</underlyingSecurityTitle>
			<underlyingSecurityShares>
				<value>10000.0000</value>
			</underlyingSecurityShares>
		</underlyingSecurity>
		<postTransactionAmounts>
			<sharesOwnedFollowingTransaction>
				<value>0.0000</value>
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			<directOrIndirectOwnership>
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			<natureOfOwnership>
				<value/>
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	</derivativeSecurity>
	<derivativeSecurity>
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		<transactionDate>
			<value>2003-06-12</value>
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				<value>10000</value>
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			<transactionValue>
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			<transactionAcquiredDisposedCode>
				<value>D</value>
			</transactionAcquiredDisposedCode>
		</transactionAmounts>
		<exerciseDate>
			<value>2000-02-03</value>
		</exerciseDate>
		<expirationDate>
			<value>2007-02-02</value>
		</expirationDate>
		<underlyingSecurity>
			<underlyingSecurityTitle>
				<value>Common Stock</value>
			</underlyingSecurityTitle>
			<underlyingSecurityShares>
				<value>10000.0000</value>
			</underlyingSecurityShares>
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		<postTransactionAmounts>
			<sharesOwnedFollowingTransaction>
				<value>14000.0000</value>
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		<ownershipNature>
			<directOrIndirectOwnership>
				<value>D</value>
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			<natureOfOwnership>
				<value/>
			</natureOfOwnership>
		</ownershipNature>
	</derivativeSecurity>
	<footnotes>
	</footnotes>
	<ownerSignature>
		<signatureName>By: By: William H. Trachsel, Attorney-in-Fact</signatureName>
		<signatureDate>2003-06-12</signatureDate>
	</ownerSignature>
</ownershipDocument>
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X0101
4
2003-06-12
0
0000101829
UNITED TECHNOLOGIES CORP /DE/
UTX
0001184184
CHENEVERT LOUIS
0
1
0
0
President, Pratt & Whitney
Common Stock
2003-06-10
4
F
0
4753
0
D
8365.0000
D
Common Stock
2003-06-10
4
F
0
1624
0
D
6741.0000
D
Common Stock
2003-06-12
4
M
0
10000
25.0000
A
16741.0000
D
Common Stock
2003-06-12
4
M
0
10000
34.5000
A
26741.0000
D
Common Stock
2003-06-12
4
F
0
3444
0
D
23297.0000
D
Common Stock
2003-06-12
4
F
0
2029
0
D
21268.0000
D
Non-Qualified Stock Option (right to buy)
25.0000
2003-06-12
4
M
0
10000
0
D
1999-02-05
2006-02-03
Common Stock
10000.0000
0.0000
D
Non-Qualified Stock Option (right to buy)
34.5000
2003-06-12
4
M
0
10000
0
D
2000-02-03
2007-02-02
Common Stock
10000.0000
14000.0000
D
By: By: William H. Trachsel, Attorney-in-Fact
2003-06-12