-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0001209191-08-008975.txt : 20080211
<SEC-HEADER>0001209191-08-008975.hdr.sgml : 20080211
<ACCEPTANCE-DATETIME>20080211124252
ACCESSION NUMBER:		0001209191-08-008975
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20071231
FILED AS OF DATE:		20080211
DATE AS OF CHANGE:		20080211

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GORMAN RUPP CO
		CENTRAL INDEX KEY:			0000042682
		STANDARD INDUSTRIAL CLASSIFICATION:	PUMPS & PUMPING EQUIPMENT [3561]
		IRS NUMBER:				340253990
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		305 BOWMAN ST
		STREET 2:		PO BOX 1217
		CITY:			MANSFIELD
		STATE:			OH
		ZIP:			44901
		BUSINESS PHONE:		4197551011

	MAIL ADDRESS:	
		STREET 1:		305 BOWMAN STREET
		STREET 2:		P.O. BOX 1217
		CITY:			MANSFIELD
		STATE:			OH
		ZIP:			44901

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GORMAN JAMES CARVELL
		CENTRAL INDEX KEY:			0000902997
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06747
		FILM NUMBER:		08592054

	BUSINESS ADDRESS:	
		STREET 1:		GORMAN RUPP CO
		STREET 2:		305 BOWMAN ST
		CITY:			MANSFIELD
		STATE:			OH
		ZIP:			44903

	MAIL ADDRESS:	
		STREET 2:		305 BOWMAN ST
		CITY:			MANSFIELD
		STATE:			OH
		ZIP:			44903
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>doc5.xml
<DESCRIPTION>FORM 5 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2007-12-31</periodOfReport>

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    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0000042682</issuerCik>
        <issuerName>GORMAN RUPP CO</issuerName>
        <issuerTradingSymbol>GRC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000902997</rptOwnerCik>
            <rptOwnerName>GORMAN JAMES CARVELL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>THE GORMAN-RUPP COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>305 BOWMAN STREET</rptOwnerStreet2>
            <rptOwnerCity>MANSFIELD</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44903</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-12-10</value>
            </transactionDate>
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            <transactionCoding>
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            <transactionTimeliness>
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            <transactionAmounts>
                <transactionShares>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <transactionTimeliness>
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            <transactionAmounts>
                <transactionShares>
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                <transactionPricePerShare>
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            <ownershipNature>
                <directOrIndirectOwnership>
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                <natureOfOwnership>
                    <value>By James C. Gorman Trust</value>
                </natureOfOwnership>
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        <nonDerivativeTransaction>
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            <transactionDate>
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                    <footnoteId id="F2"/>
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                <transactionPricePerShare>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
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            <ownershipNature>
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                <natureOfOwnership>
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        <nonDerivativeTransaction>
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            <transactionDate>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
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                    <footnoteId id="F1"/>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
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                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
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                    <footnoteId id="F4"/>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2007-12-10</value>
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            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>L</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
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                <transactionPricePerShare>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
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            </transactionDate>
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            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
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                <transactionShares>
                    <value>22</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>31.20</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2794074</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By family</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock (401-K Plan)</value>
            </securityTitle>
            <transactionDate>
                <value>2007-11-14</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
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                <transactionCode>J</transactionCode>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>375</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>40.865</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6498</value>
                    <footnoteId id="F7"/>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By 401-K Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
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                    <footnoteId id="F1"/>
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                    <value>30.9786</value>
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                <equitySwapInvolved>0</equitySwapInvolved>
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                    <value>31.20</value>
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    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">As of December 10, 2007, the amount of common shares beneficially owned was increased due to a 5-for-4 split of the common shares.</footnote>
        <footnote id="F2">Common shares in the Gorman-Rupp Stock Fund in the Company's 401-K Trust, held by a member of Mr. Gorman's immediate family, are accounted for by applying the unitzied method of accounting.  During this reported period, the changes in stock market prices resulted in a net reduction of the unitized number of common shares in that immediate family members account in the 401-K Trust.  However, no shares were actually sold or disposed of by the immediate family member.</footnote>
        <footnote id="F3">Includes 452,491 shares owned by the Marjorie N. Gorman Trust (of which Mr. Gorman's wife is sole trustee) and 360,766 shares held in trusts in which Mr. Gorman and members of his family have beneficial interests; also includes 1,450,532 shares benefically owned by members of Mr. Gorman's immediate family.  Mr. Gorman disclaims beneficial ownership of all of the shares referred to in this footnote.</footnote>
        <footnote id="F4">Includes 565,613 shares owned by the Marjorie N. Gorman Trust (of which Mr. Gorman's wife is sole trustee) and 450,956 shares held in trusts in which Mr. Gorman and members of his family have beneficial interests; also includes 1,777,454 shares benefically owned by members of Mr. Gorman's immediate family.  Mr. Gorman disclaims beneficial ownership of all of the shares referred to in this footnote.</footnote>
        <footnote id="F5">Includes 565,613 shares owned by the Marjorie N. Gorman Trust (of which Mr. Gorman's wife is sole trustee) and 450,956 shares held in trusts in which Mr. Gorman and members of his family have beneficial interests; also includes 1,777,483 shares benefically owned by members of Mr. Gorman's immediate family.  Mr. Gorman disclaims beneficial ownership of all of the shares referred to in this footnote.</footnote>
        <footnote id="F6">Includes 565,613 shares owned by the Marjorie N. Gorman Trust (of which Mr. Gorman's wife is sole trustee) and 450,956 shares held in trusts in which Mr. Gorman and members of his family have beneficial interests; also includes 1,777,505 shares benefically owned by members of Mr. Gorman's immediate family.  Mr. Gorman disclaims beneficial ownership of all of the shares referred to in this footnote.</footnote>
        <footnote id="F7">Balance reflects distribution of cash equivalent of 375 common shares required to be made by Internal Revenue Code due to reporting person being over age 70 1/2.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/James C. Gorman</signatureName>
        <signatureDate>2008-02-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
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-----END PRIVACY-ENHANCED MESSAGE-----