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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 ODcXLxEK/3Nc2T7KSuuHj60zfuaMrUBVlU7EPuf3sL6jLillsykxiNeN8fuh7sAJ
 OHsRi+6Vc6fP0GUPacScYA==

<SEC-DOCUMENT>0000067347-05-000096.txt : 20050408
<SEC-HEADER>0000067347-05-000096.hdr.sgml : 20050408
<ACCEPTANCE-DATETIME>20050408122606
ACCESSION NUMBER:		0000067347-05-000096
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050406
FILED AS OF DATE:		20050408
DATE AS OF CHANGE:		20050408

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RICHARDSON BRADLEY C
		CENTRAL INDEX KEY:			0001232523

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-01373
		FILM NUMBER:		05740820

	BUSINESS ADDRESS:	
		STREET 1:		1500 DEKOVAN AVE.
		CITY:			RACINE
		STATE:			WI
		ZIP:			53403

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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-04-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000067347</issuerCik>
        <issuerName>MODINE MANUFACTURING CO</issuerName>
        <issuerTradingSymbol>MOD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001232523</rptOwnerCik>
            <rptOwnerName>RICHARDSON BRADLEY C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP, Finance and CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Modine Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-04-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>15.4552</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>31.4148</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>30111.121</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This total includes 68.1124 units of Modine common stock indirectly held in the Registrant's Modine 401(k) Retirement Plan account and 628.9243 units of Modine common stock indirectly held in the Registrant's Modine Deferred Compensation Plan account.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ D.R. Zakos, Attorney-in-Fact for B.C. Richardson</signatureName>
        <signatureDate>2005-04-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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