-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 SnBCYN3zAp8tuEYO7kzIMTJEvIHEaEzgwc0bFdFcAN2Iz+7OAcO3O12lGeoIvdoI
 arXQNCVT2D7IRaf2qb5qZQ==

<SEC-DOCUMENT>0000101829-04-000002.txt : 20040102
<SEC-HEADER>0000101829-04-000002.hdr.sgml : 20040101
<ACCEPTANCE-DATETIME>20040102163738
ACCESSION NUMBER:		0000101829-04-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031231
FILED AS OF DATE:		20040102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HARKIN RUTH R
		CENTRAL INDEX KEY:			0001184189

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00812
		FILM NUMBER:		04501544

	MAIL ADDRESS:	
		STREET 1:		UNITED TECHNOLOGIES CORP
		STREET 2:		ONE FINANCIAL PLAZA
		CITY:			HARTFORD
		STATE:			CT
		ZIP:			06101

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNITED TECHNOLOGIES CORP /DE/
		CENTRAL INDEX KEY:			0000101829
		STANDARD INDUSTRIAL CLASSIFICATION:	AIRCRAFT ENGINES & ENGINE PARTS [3724]
		IRS NUMBER:				060570975
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		UNITED TECHNOLOGIES BLDG
		STREET 2:		ONE FINANCIAL PLZ
		CITY:			HARTFORD
		STATE:			CT
		ZIP:			06101
		BUSINESS PHONE:		8607287000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UNITED TECHNOLOGIES MICROELECTRONICS CENTER
		DATE OF NAME CHANGE:	19850825

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UNITED TECHNOLOGIES CORP
		DATE OF NAME CHANGE:	19841205
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>har198.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
	<periodOfReport>2003-12-31</periodOfReport>
	<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000101829</issuerCik>
        <issuerName>UNITED TECHNOLOGIES CORP /DE/</issuerName>
        <issuerTradingSymbol>UTX</issuerTradingSymbol>
	</issuer>
	<reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001184189</rptOwnerCik>
            <rptOwnerName>HARKIN RUTH R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>UNITED TECHNOLOGIES CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>ONE FINANCIAL PLAZA</rptOwnerStreet2>
            <rptOwnerCity>HARTFORD</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06101</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
			<isDirector>0</isDirector>
			<isOfficer>1</isOfficer>
			<isTenPercentOwner>0</isTenPercentOwner>
			<isOther>0</isOther>
			<officerTitle>SVP Intl Affairs &amp; Gov't Rltns</officerTitle>
		</reportingOwnerRelationship>
	</reportingOwner>
	<derivativeTable>
		<derivativeTransaction>
			<securityTitle>
				<value>Phantom Stock Unit</value>
			</securityTitle>
			<conversionOrExercisePrice>
				<value>0.0000</value>
			</conversionOrExercisePrice>
			<transactionDate>
				<value>2003-12-31</value>
			</transactionDate>
			<deemedExecutionDate>
			</deemedExecutionDate>
			<transactionCoding>
				<transactionFormType>4</transactionFormType>
				<transactionCode>A</transactionCode>
				<equitySwapInvolved>0</equitySwapInvolved>
			</transactionCoding>
			<transactionAmounts>
				<transactionShares>
					<value>7.0346</value>
				</transactionShares>
				<transactionPricePerShare>
					<value>94.7700</value>
				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
					<value>A</value>
				</transactionAcquiredDisposedCode>
			</transactionAmounts>
			<exerciseDate>
				<footnoteId id="F1"/>
			</exerciseDate>
			<expirationDate>
				<footnoteId id="F1"/>
			</expirationDate>
			<underlyingSecurity>
				<underlyingSecurityTitle>
					<value>Common Stock</value>
				</underlyingSecurityTitle>
				<underlyingSecurityShares>
					<value>7.0346</value>
				</underlyingSecurityShares>
			</underlyingSecurity>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>5289.8463</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
					<value>D</value>
				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
			</ownershipNature>
		</derivativeTransaction>
	</derivativeTable>
	<footnotes>
		<footnote id="F1">Deferred phantom stock units acquired at the election of the executive under the United Technologies Corporation Deferred Compensation Plan, in a transaction exempt under Rule 16b-3.  Units are payable in cash following termination of employment, retirement or death.</footnote>
	</footnotes>
	<ownerSignature>
		<signatureName>By: /s/ Charles F. Hildebrand as Attorney-in-Fact</signatureName>
		<signatureDate>2004-01-02</signatureDate>
	</ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----