<SEC-DOCUMENT>0001382963-17-000184.txt : 20171204
<SEC-HEADER>0001382963-17-000184.hdr.sgml : 20171204
<ACCEPTANCE-DATETIME>20171204213820
ACCESSION NUMBER:		0001382963-17-000184
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171130
FILED AS OF DATE:		20171204
DATE AS OF CHANGE:		20171204

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Shandong Heavy Industry Group Co., Ltd.
		CENTRAL INDEX KEY:			0001703252

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35944
		FILM NUMBER:		171238533

	BUSINESS ADDRESS:	
		STREET 1:		#40-1 YANZI SHAN WEST ROAD
		CITY:			JINAN, SHANDONG PROVINCE
		STATE:			F4
		ZIP:			250014
		BUSINESS PHONE:		0531-82623823

	MAIL ADDRESS:	
		STREET 1:		#40-1 YANZI SHAN WEST ROAD
		CITY:			JINAN, SHANDONG PROVINCE
		STATE:			F4
		ZIP:			250014

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Weichai Power Co., Ltd.
		CENTRAL INDEX KEY:			0001703367

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35944
		FILM NUMBER:		171238534

	BUSINESS ADDRESS:	
		STREET 1:		SECTION A 197, FU SHOU EAST STREET
		STREET 2:		HIGH TECHNOLOGY INDUSTRIAL DEVELOP. ZONE
		CITY:			WEIFANG, SHANDONG PROVINCE
		STATE:			F4
		ZIP:			261061
		BUSINESS PHONE:		0531-82623823

	MAIL ADDRESS:	
		STREET 1:		SECTION A 197, FU SHOU EAST STREET
		STREET 2:		HIGH TECHNOLOGY INDUSTRIAL DEVELOP. ZONE
		CITY:			WEIFANG, SHANDONG PROVINCE
		STATE:			F4
		ZIP:			261061

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Weichai America Corp.
		CENTRAL INDEX KEY:			0001702521
		STATE OF INCORPORATION:			IL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35944
		FILM NUMBER:		171238535

	BUSINESS ADDRESS:	
		STREET 1:		3100 GOLF ROAD
		CITY:			ROLLING MEADOWS
		STATE:			IL
		ZIP:			60008
		BUSINESS PHONE:		847-725-7030

	MAIL ADDRESS:	
		STREET 1:		3100 GOLF ROAD
		CITY:			ROLLING MEADOWS
		STATE:			IL
		ZIP:			60008

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			POWER SOLUTIONS INTERNATIONAL, INC.
		CENTRAL INDEX KEY:			0001137091
		STANDARD INDUSTRIAL CLASSIFICATION:	ENGINES & TURBINES [3510]
		IRS NUMBER:				330963637
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		201 MITTEL DRIVE
		CITY:			WOOD DALE
		STATE:			IL
		ZIP:			60191
		BUSINESS PHONE:		630.350.9400

	MAIL ADDRESS:	
		STREET 1:		201 MITTEL DRIVE
		CITY:			WOOD DALE
		STATE:			IL
		ZIP:			60191

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FORMAT INC
		DATE OF NAME CHANGE:	20060901

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FORMAT INC /FA/
		DATE OF NAME CHANGE:	20010321
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
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<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-11-30</periodOfReport>

    <issuer>
        <issuerCik>0001137091</issuerCik>
        <issuerName>POWER SOLUTIONS INTERNATIONAL, INC.</issuerName>
        <issuerTradingSymbol>PSIX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001702521</rptOwnerCik>
            <rptOwnerName>Weichai America Corp.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3100 GOLF ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ROLLING MEADOWS</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60008</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001703367</rptOwnerCik>
            <rptOwnerName>Weichai Power Co., Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>SECTION A 197, FU SHOU EAST STREET</rptOwnerStreet1>
            <rptOwnerStreet2>HIGH-TECH INDUSTRIAL DEV. ZONE</rptOwnerStreet2>
            <rptOwnerCity>WEIFANG, SHANDONG PROVINCE</rptOwnerCity>
            <rptOwnerState>F4</rptOwnerState>
            <rptOwnerZipCode>261061</rptOwnerZipCode>
            <rptOwnerStateDescription>CHINA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001703252</rptOwnerCik>
            <rptOwnerName>Shandong Heavy Industry Group Co., Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>#40-1 YANZI SHAN WEST ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>JINAN, SHANDONG PROVINCE</rptOwnerCity>
            <rptOwnerState>F4</rptOwnerState>
            <rptOwnerZipCode>250014</rptOwnerZipCode>
            <rptOwnerStateDescription>CHINA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-11-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4771248</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7700000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Explanation of Responses</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Series B Convertible Perpetual Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>8.00</value>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-11-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2385624</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4771248</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Explanation of Responses</value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeHolding>
            <securityTitle>
                <value>Warrants to Purchase Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2018-09-30</value>
            </exerciseDate>
            <expirationDate>
                <value>2018-12-31</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4055709</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4055709</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Explanation of Responses</value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This report is filed jointly by Weichai America Corp., Weichai Power Co., Ltd. and Shandong Heavy Industry Group Co., Ltd. (collectively, the &quot;Reporting Persons&quot;). Weichai America Corp. is the direct owner of the Common Stock referenced in this report and shares the power to vote and the power to dispose of all of such shares of Common Stock with the other Reporting Persons. No individual has beneficial ownership over the Common Stock benefically owned by the Reporting Persons. Each of the Reporting Persons disclaims beneficial ownership of these securities, except to the extent of its pecuniary interest therein. This Form 4 shall not deemed to be an admission that any Reporting Person hereunder is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.</footnote>
        <footnote id="F2">On November 30, 2017, the Issuer entered into a Securities Exchange Agreement  with Weichai America Corp., pursuant to which (i) the 2,385,624 shares of Series B Preferred Stock (such shares of Series B Preferred Stock being convertible into two shares of Common Stock for each share of Series B Preferred Stock) held by Weichai America Corp. were exchanged for 4,771,248 shares of Common Stock and (ii) the 2018 Warrant was amended  (the &quot;Amended 2018 Warrant&quot;) to (a) provide that the Amended 2018 Warrant is exercisable for Common Stock without the requirement to obtain stockholder approval and is not exercisable for Series B Preferred Stock and (b) permit the Issuer to request the accelerated exercise of the Amended 2018 Warrant to the extent required to meet the funding needs of the Issuer. Other terms of the Amended 2018 Warrant as described in the Form 3 filed with the Securities and Exchange Commission by the Reporting Persons on April 10, 2017 remain the same.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Huisheng Liu, Chairman, Weichai America Corp.</signatureName>
        <signatureDate>2017-12-04</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Sun Shaojun, Executive President, Weichai Power Co., Ltd.</signatureName>
        <signatureDate>2017-12-04</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/Jiang Kui, President, Shandong Heavy Industry Group Co., Ltd.</signatureName>
        <signatureDate>2017-12-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
