-----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,
 UkZeIYqcevcuLG6eQIUGoCJLBa7jtmQs6bUDFarS22tBracFHFraaqLEo7WMfPw1
 93WSqF9thoMgvEo+ZP9sRw==

<SEC-DOCUMENT>0000067347-05-000247.txt : 20050817
<SEC-HEADER>0000067347-05-000247.hdr.sgml : 20050817
<ACCEPTANCE-DATETIME>20050817151558
ACCESSION NUMBER:		0000067347-05-000247
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050817
FILED AS OF DATE:		20050817
DATE AS OF CHANGE:		20050817

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:			FAHL GARY A
		CENTRAL INDEX KEY:			0001185600

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-01373
		FILM NUMBER:		051033312

	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>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-08-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001185600</rptOwnerCik>
            <rptOwnerName>FAHL GARY A</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,Environm.,Safety &amp; Security</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Modine common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-08-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1274.904</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>41.6839</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13286.0505</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Employee stock option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>24.6497</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>1997-01-15</value>
            </exerciseDate>
            <expirationDate>
                <value>2007-01-15</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Modine common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3073</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3073</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee stock option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>33.1306</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>1998-01-21</value>
            </exerciseDate>
            <expirationDate>
                <value>2008-01-21</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Modine common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4098</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4098</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee stock option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>32.4594</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>1999-01-20</value>
            </exerciseDate>
            <expirationDate>
                <value>2009-01-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Modine common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5122</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5122</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee stock option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>24.4056</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2000-01-19</value>
            </exerciseDate>
            <expirationDate>
                <value>2010-01-19</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Modine common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5121</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5121</value>
                    <footnoteId id="F6"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee stock option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>22.2384</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2002-01-16</value>
            </exerciseDate>
            <expirationDate>
                <value>2012-01-16</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Modine common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6146</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6146</value>
                    <footnoteId id="F7"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee stock option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>28.4764</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2004-01-20</value>
            </exerciseDate>
            <expirationDate>
                <value>2014-01-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Modine common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4916</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4916</value>
                    <footnoteId id="F8"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee stock option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>30.8194</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-01-18</value>
            </exerciseDate>
            <expirationDate>
                <value>2015-01-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Modine common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4261</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4261</value>
                    <footnoteId id="F9"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This total includes 1,171.3881 units of Modine common stock indirectly held in the Registrant's Modine 401(k) Retirement Plan account and 3,731.2252 units of Modine common stock indirectly held in the Registrant's Modine Stock Fund account.</footnote>
        <footnote id="F2">Registrant disposed of 1,274.9040 units of common stock indirectly held in his Modine Stock Fund account (formerly known as ESOP) pursuant to a diversification election made under the Internal Revenue Code.  The transaction was pursuant to an irrevocable commitment to sell made by the reporting person to the Modine Stock Fund trustee.</footnote>
        <footnote id="F3">This option was previously reported as an option for 3,000 shares of common stock at an exercise price of $25.25 per share, but was adjusted to reflect the stock dividend declared by Modine on July 21, 2005 in connection with the spin off and merger of Modine's Aftermarket Business in a reverse Morris Trust transaction.  As a result of the stock dividend, stock options granted by Modine were adjusted to retain their intrinsic value.</footnote>
        <footnote id="F4">This option was previously reported as an option for 4,000 shares of common stock at an exercise price of $33.9375 per share.  See footnote 3 for explanation.</footnote>
        <footnote id="F5">This option was previously reported as an option for 5,000 shares of common stock at an exercise price of $33.2500 per share.  See footnote 3 for explanation.</footnote>
        <footnote id="F6">This option was previously reported as an option for 5,000 shares of common stock at an exercise price of $25.00 per share.  See footnote 3 for explanation.</footnote>
        <footnote id="F7">This option was previously reported as an option for 6,000 shares of common stock at an exercise price of $22.78 per share.  See footnote 3 for explanation.</footnote>
        <footnote id="F8">This option was previously reported as an option for 4,800 shares of common stock at an exercise price of $29.17 per share.  See footnote 3 for explanation.</footnote>
        <footnote id="F9">This option was previously reported as an option for 4,160 shares of common stock at an exercise price of $31.57 per share.  See footnote 3 for explanation.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/D. R. Zakos, Attorney-in-Fact for G. A. Fahl</signatureName>
        <signatureDate>2005-08-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
