<SEC-DOCUMENT>0001209191-22-040075.txt : 20220701
<SEC-HEADER>0001209191-22-040075.hdr.sgml : 20220701
<ACCEPTANCE-DATETIME>20220701144320
ACCESSION NUMBER:		0001209191-22-040075
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220701
FILED AS OF DATE:		20220701
DATE AS OF CHANGE:		20220701

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Reynolds Kenneth R
		CENTRAL INDEX KEY:			0001606487

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06747
		FILM NUMBER:		221060955

	MAIL ADDRESS:	
		STREET 1:		1424 GREENBRIER DRIVE
		CITY:			MT VERNON
		STATE:			OH
		ZIP:			43050

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:		600 SOUTH AIRPORT ROAD
		STREET 2:		P.O. BOX 1217
		CITY:			MANSFIELD
		STATE:			OH
		ZIP:			44901
		BUSINESS PHONE:		419-755-1011

	MAIL ADDRESS:	
		STREET 1:		600 SOUTH AIRPORT ROAD
		STREET 2:		P.O. BOX 1217
		CITY:			MANSFIELD
		STATE:			OH
		ZIP:			44901
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-07-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001606487</rptOwnerCik>
            <rptOwnerName>Reynolds Kenneth R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1424 GREENBRIER DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MT VERNON</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>43050</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-07-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2250</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>24250</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares acquired through an exempt non-employee Directors' Compensation Plan.</footnote>
        <footnote id="F2">Includes 13,250 shares acquired through an exempt non-employee Directors' Compensation Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Kenneth R. Reynolds BY: /s/Brigette A. Burnell Attorney-in-Fact</signatureName>
        <signatureDate>2022-07-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
