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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 E9oUEHsGYeatgZ32GVdUhExFc+wwJbO2ku7w6bWws9OBhI4cMOzxK/PwgF/1JIk7
 bkzvxdP6scYwzPWXps+7OQ==

<SEC-DOCUMENT>0000067347-03-000124.txt : 20030507
<SEC-HEADER>0000067347-03-000124.hdr.sgml : 20030507
<ACCEPTANCE-DATETIME>20030507162249
ACCESSION NUMBER:		0000067347-03-000124
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030505
FILED AS OF DATE:		20030507

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MODINE MANUFACTURING CO
		CENTRAL INDEX KEY:			0000067347
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				390482000
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		1500 DEKOVEN AVE
		CITY:			RACINE
		STATE:			WI
		ZIP:			53403
		BUSINESS PHONE:		2626361200

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HARPER CARLTON C
		CENTRAL INDEX KEY:			0001185601

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-01373
		FILM NUMBER:		03686465

	BUSINESS ADDRESS:	
		STREET 1:		MODINE MANUFACTURING CO
		STREET 2:		1500 DEKOVEN AVE
		CITY:			RACINE
		STATE:			WI
		ZIP:			53403
		BUSINESS PHONE:		2626361464
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

<documentType>4</documentType><periodOfReport>2003-05-05</periodOfReport>
<issuer><issuerCik>0000067347</issuerCik>
        <issuerName>MODINE MANUFACTURING CO</issuerName>
<issuerTradingSymbol>MODI</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>1185601</rptOwnerCik>
            <rptOwnerName>HARPER CARLTON C</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>Chief Information Officer</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurity><securityTitle><value>Modine Common Stock</value></securityTitle><transactionDate><value>2003-05-05</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>1000</value></transactionShares><transactionValue><value>0</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>11120.4155</value><footnoteId id="F1"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership>
<value></value></natureOfOwnership></ownershipNature></nonDerivativeSecurity><footnotes><footnote id="F1">This total includes 1,015.2635 units of Modine common stock held in the registrant's the Modine 401(k) Retirement Plan account, 634.1365 units of Modine common stock held in the registrant's Modine Deferred Compensation Plan account and 1,035.0155 shares held in the registrant's Modine Employee Stock Ownership Plan account, per March 31, 2003.  It also includes 1,157 shares held in a brokerage account.</footnote></footnotes><ownerSignature><signatureName>C. C. Harper, Jr.</signatureName><signatureDate>2003-05-05</signatureDate></ownerSignature></ownershipDocument>

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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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