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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 BLZKEei0uDJdLsT2QB2r0osOgps3c6iwpJKAf9N6Lgusm8TBX5omO9hE3AgEnhcY
 8nUZTQufV07G7UpOt54KfQ==

<SEC-DOCUMENT>0001140361-10-008729.txt : 20100226
<SEC-HEADER>0001140361-10-008729.hdr.sgml : 20100226
<ACCEPTANCE-DATETIME>20100226140755
ACCESSION NUMBER:		0001140361-10-008729
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100216
FILED AS OF DATE:		20100226
DATE AS OF CHANGE:		20100226

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PORTEC RAIL PRODUCTS INC
		CENTRAL INDEX KEY:			0001263074
		STANDARD INDUSTRIAL CLASSIFICATION:	RAILROAD EQUIPMENT [3743]
		IRS NUMBER:				550755271
		STATE OF INCORPORATION:			WV
		FISCAL YEAR END:			1231

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FOSTER L B CO
		CENTRAL INDEX KEY:			0000352825
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-METALS SERVICE CENTERS & OFFICES [5051]
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50543
		FILM NUMBER:		10638045

	BUSINESS ADDRESS:	
		STREET 1:		415 HOLIDAY DR
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15220
		BUSINESS PHONE:		4129283431

	MAIL ADDRESS:	
		STREET 1:		415 HOLIDAY DR
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15220

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Foster Thomas Co
		CENTRAL INDEX KEY:			0001484875
		STATE OF INCORPORATION:			WV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50543
		FILM NUMBER:		10638044

	BUSINESS ADDRESS:	
		STREET 1:		415 HOLIDAY DRIVE
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15220
		BUSINESS PHONE:		412-928-3431

	MAIL ADDRESS:	
		STREET 1:		415 HOLIDAY DRIVE
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15220
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2010-02-16</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001263074</issuerCik>
        <issuerName>PORTEC RAIL PRODUCTS INC</issuerName>
        <issuerTradingSymbol>PRPX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000352825</rptOwnerCik>
            <rptOwnerName>FOSTER L B CO</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>415 HOLIDAY DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PITTSBURGH</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15220</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001484875</rptOwnerCik>
            <rptOwnerName>Foster Thomas Co</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>415 HOLIDAY DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PITTSBURGH</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15220</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>wholly owned subsidiary</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, $1.00 par value per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>182850</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Voting Control</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F6"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2010-02-16</value>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F5"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, $1.00 par value per share</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2926186</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This amount represents the aggregate number of shares of common stock of Portec Rail Products, Inc., a West Virginia corporation (the &quot;Company&quot;), held by certain shareholders of the Company who have entered into a Tender and Voting Agreement (the &quot;Tender Agreement&quot;) dated as of February 16, 2010, with L.B. Foster Company, a Pennsylvania corporation (&quot;Parent&quot;) and Foster Thomas Company, a West Virginia corporation and a wholly-owned subsidiary of Parent (&quot;Purchaser&quot;).</footnote>
        <footnote id="F2">Such number does not include any Company Common Shares issuable upon the exercise of stock options to purchase 34,250 Company Common Shares held by shareholders of the Company, which shares would become subject to the Tender Agreement if the options were exercised.</footnote>
        <footnote id="F3">The summary of the Tender Agreement in this Form 3 is qualified in its entirety by the full text of the form of Tender Agreement attached as Exhibit 10.1 to Parent's Form 8-K filed with the SEC on February 17, 2010 and is hereby incorporated by reference.</footnote>
        <footnote id="F4">Pursuant to the Tender Agreement, Parent may exercise voting control over the shares described in footnote (1).  Parent expressly disclaims beneficial ownership as determined under rule 13d-3 under the Securities Exchange Act of 1934, as amended, of any of the Company Common Shares subject to the Tender Agreement.</footnote>
        <footnote id="F5">The right to exercise voting control pursuant to the Tender Agreement shall terminate, in accordance with Section 11 of the Tender Agreement, upon the earliest of:  (1) the effective time of the merger, (ii) as to the rights and obligations associated with any owned shares under Section 2 thereof, the acceptance for payment of such owned shares by Parent or Purchaser in the offer, (iii) the termination of this Tender Agreement by written notice from Parent to the shareholder, (iv) the termination of the offer by Parent or Purchaser, or (v) the date upon which the merger agreement is terminated in accordance with its terms without the merger having been consumated, or (vi) the merger agreement shall have been terminated by Company pursuant to Section 8.1(g) or 8.1(h) of the merger agreement.</footnote>
        <footnote id="F6">Not applicable.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Stan L. Hasselbusch President and CEO of L. B. Foster Company and President and CEO of Foster Thomas Company</signatureName>
        <signatureDate>2010-02-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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