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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000067347-04-000253.txt : 20041022
<SEC-HEADER>0000067347-04-000253.hdr.sgml : 20041022
<ACCEPTANCE-DATETIME>20041022125057
ACCESSION NUMBER:		0000067347-04-000253
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20041019
FILED AS OF DATE:		20041022
DATE AS OF CHANGE:		20041022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RULSEH JAMES R
		CENTRAL INDEX KEY:			0001172676

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-01373
		FILM NUMBER:		041091304

	BUSINESS ADDRESS:	
		STREET 1:		5001 N SECOND STREET
		CITY:			ROCKFORD
		STATE:			IL
		ZIP:			61111

	MAIL ADDRESS:	
		STREET 1:		5001 N SECOND STREET
		CITY:			ROCKFORD
		STATE:			IL
		ZIP:			61111

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>2004-10-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001172676</rptOwnerCik>
            <rptOwnerName>RULSEH JAMES R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5001 N SECOND STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ROCKFORD</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>61111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Group Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Modine common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-10-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>28.55</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>27088.1041</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On October 19, 2004, the Registrant was granted 1,000 shares of fully vested and unrestricted Modine common stock.
The total includes 1,269.4272 units of Modine common stock indirectly held in the Registrant's Modine 401(k) Retirement Plan account, 41.5246 units of Modine common stock indirectly held in the Registrant's Modine Deferred Compensation PLan account and 3,788.1006 units of Modine common stock indirectly held in the Registrant's Modine Stock Fund account.  The balance of the former ESOP account, a share-based account, was changed inito a unitized fund account on 9/30/04.  At that date, the market value of one share equaled 1.185058 units, which was used as the conversion basis.  Before the conversion date the Registrant received a dividend into his former ESOP account of 22.2612 shares for September's dividend.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/D. R. Zakos, Attorney-in-Fact for J. R. Rulseh</signatureName>
        <signatureDate>2004-10-22</signatureDate>
    </ownerSignature>
</ownershipDocument>

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