{"product_id":"pto-clutch-601311","title":"601311 \/ 601311K High-Torque PTO Clutch for Hustler Mini Z \u0026 Big Dog | Warner 5218-222, 5218222","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003e601311 \/ 601311K electric PTO clutch\u003c\/strong\u003e replaces the clutch used on select \u003cstrong\u003eHustler Mini Z\u003c\/strong\u003e, \u003cstrong\u003eHustler Super Mini Z\u003c\/strong\u003e, and \u003cstrong\u003eBig Dog X-Series zero-turn mowers\u003c\/strong\u003e following the \u003cstrong\u003eHustler 601311\u003c\/strong\u003e or \u003cstrong\u003eWarner 5218-222\u003c\/strong\u003e clutch path.\u003c\/p\u003e\n\u003cp\u003eWarner identifies \u003cstrong\u003e5218-222 as the replacement for the earlier 5218-154 clutch\u003c\/strong\u003e. This clutch uses a \u003cstrong\u003e1-1\/8-inch crankshaft bore\u003c\/strong\u003e, an approximately \u003cstrong\u003e6.31-inch pulley\u003c\/strong\u003e, \u003cstrong\u003eclockwise rotation\u003c\/strong\u003e, reverse-mount configuration, and an integral 12 VDC electrical connection.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAftermarket electric PTO clutch assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Clutch Number:\u003c\/strong\u003e Hustler \/ Big Dog 601311\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutch Kit Path:\u003c\/strong\u003e Hustler \/ Big Dog 601311K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Warner Cross-Reference:\u003c\/strong\u003e 5218-222, 5218222\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarlier Warner Number:\u003c\/strong\u003e 5218-154, 5218154\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque Rating:\u003c\/strong\u003e 200 ft-lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrankshaft Bore:\u003c\/strong\u003e 1-1\/8 inch \/ 1.125 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley Diameter:\u003c\/strong\u003e approximately 6.31 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotation:\u003c\/strong\u003e CW from pulley side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e reverse mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e integral electrical connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBelt Groove:\u003c\/strong\u003e A\/B combination replacement path\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon Belt Path:\u003c\/strong\u003e 5\/8-inch deck belt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutch Type:\u003c\/strong\u003e electric PTO clutch with integrated brake\u003c\/li\u003e\n\u003cli\u003eSolid-steel billet pulley construction\u003c\/li\u003e\n\u003cli\u003eHeat-dissipating electromagnetic coil construction\u003c\/li\u003e\n\u003cli\u003eComplete assembled clutch with no routine air-gap adjustment required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCompatible Brands \u0026amp; Model Series\u003c\/h2\u003e\n\u003cp\u003eThis is a \u003cstrong\u003epart-number-first replacement\u003c\/strong\u003e. Confirm that the original clutch label or mower-specific parts diagram identifies \u003cstrong\u003e601311\u003c\/strong\u003e, \u003cstrong\u003e601311K\u003c\/strong\u003e, \u003cstrong\u003e5218-222\u003c\/strong\u003e, or \u003cstrong\u003e5218-154\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eHustler Mini Z Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHustler Mini Z 44-inch:\u003c\/strong\u003e select configurations using 601311 or 601311K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHustler Mini Z 52-inch:\u003c\/strong\u003e select configurations using 601311 or 601311K\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMini Z fitment warning:\u003c\/strong\u003e The Mini Z family was produced with different engines, deck systems, and PTO clutch configurations. Do not order from the Mini Z name or deck size alone.\u003c\/p\u003e\n\u003ch3\u003eHustler Super Mini Z Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHustler Super Mini Z 44-inch:\u003c\/strong\u003e select configurations using the 601311 clutch path\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHustler Super Mini Z 52-inch:\u003c\/strong\u003e select configurations using the 601311 clutch path\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConfirm the clutch number from the original label or serial-specific Hustler parts diagram. Later or differently equipped Super Mini Z mowers may use another clutch.\u003c\/p\u003e\n\u003ch3\u003eBig Dog Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig Dog X-Series:\u003c\/strong\u003e select mower configurations using 601311 or 601311K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcel-built Big Dog platforms:\u003c\/strong\u003e only when the original clutch or parts diagram identifies the 601311 path\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBig Dog fitment warning:\u003c\/strong\u003e X-Series is a broad mower-family name. Confirm the complete mower model, serial number, deck size, engine, and original PTO clutch number before ordering.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eReplaces OEM Part Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHustler:\u003c\/strong\u003e 601311\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHustler Clutch Kit:\u003c\/strong\u003e 601311K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig Dog:\u003c\/strong\u003e 601311\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig Dog Clutch Kit:\u003c\/strong\u003e 601311K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcel Industries:\u003c\/strong\u003e 601311, 601311K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Reference:\u003c\/strong\u003e 543716\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Reference:\u003c\/strong\u003e N-76219\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Reference:\u003c\/strong\u003e 110-12454A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Reference:\u003c\/strong\u003e 255-6420\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKit-number note:\u003c\/strong\u003e Hustler 601311 identifies the clutch assembly. The 601311K number identifies the related clutch-kit path. Kit contents can vary, so do not assume every bracket, bolt, washer, harness, or anti-rotation component is included.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAftermarket Cross-Reference Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarner Electric:\u003c\/strong\u003e 5218-222, 5218222\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarlier Warner Number:\u003c\/strong\u003e 5218-154, 5218154\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eXtreme:\u003c\/strong\u003e X0222\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eXtreme Kit Path:\u003c\/strong\u003e X0222-K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotary:\u003c\/strong\u003e 12454\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOregon:\u003c\/strong\u003e 33-155\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStens Replacement Path:\u003c\/strong\u003e 255-642\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSunbelt:\u003c\/strong\u003e B1EC47, B1XT0205, B1XT0222, B1XT0246\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePrimary cross-reference rule:\u003c\/strong\u003e Match Hustler 601311 or Warner 5218-222 first. Use the secondary aftermarket numbers only as supporting references.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eImportant Fitment Check\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo not order this electric PTO clutch by appearance alone.\u003c\/strong\u003e Hustler and Big Dog used several Warner 5218-series clutches with similar crankshaft bores and pulley diameters.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, confirm:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe original clutch number is Hustler or Big Dog 601311\u003c\/li\u003e\n\u003cli\u003eThe mower parts diagram identifies the 601311 or 601311K clutch path\u003c\/li\u003e\n\u003cli\u003eThe Warner number is 5218-222 or the earlier 5218-154\u003c\/li\u003e\n\u003cli\u003eThe crankshaft diameter is 1-1\/8 inch\u003c\/li\u003e\n\u003cli\u003eThe pulley measures approximately 6.31 inches\u003c\/li\u003e\n\u003cli\u003eThe original clutch uses clockwise rotation from the same viewing position\u003c\/li\u003e\n\u003cli\u003eThe clutch uses the correct reverse-mount orientation\u003c\/li\u003e\n\u003cli\u003eThe pulley accepts the correct A\/B or 5\/8-inch deck-belt path\u003c\/li\u003e\n\u003cli\u003eThe pulley offset maintains proper deck-belt alignment\u003c\/li\u003e\n\u003cli\u003eThe electrical connector shape and wire orientation match\u003c\/li\u003e\n\u003cli\u003eThe anti-rotation bracket and clutch housing align correctly\u003c\/li\u003e\n\u003cli\u003eThe clutch body clears the mower frame, engine, wiring, and nearby brackets\u003c\/li\u003e\n\u003cli\u003eThe complete mower model, deck size, engine, and serial number have been checked\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDo not order using only “Warner 5218.”\u003c\/strong\u003e The 5218 family includes many different clutch configurations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eReverse-Mount \u0026amp; Installation Considerations\u003c\/h2\u003e\n\u003cp\u003eWarner classifies the 5218-222 as a \u003cstrong\u003ereverse-mount clutch\u003c\/strong\u003e. Reverse mount describes how the clutch is positioned on the engine crankshaft. It does not change the listed 1-1\/8-inch crankshaft bore.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompare the clutch orientation with the original before removal.\u003c\/li\u003e\n\u003cli\u003eConfirm that the pulley sits at the same height relative to the deck belt.\u003c\/li\u003e\n\u003cli\u003eInspect the anti-rotation bracket and related hardware for cracks, wear, or elongated mounting points.\u003c\/li\u003e\n\u003cli\u003eDo not force an anti-rotation component that does not align naturally.\u003c\/li\u003e\n\u003cli\u003eConfirm that the clutch wiring cannot contact the pulley, belt, or rotating engine components.\u003c\/li\u003e\n\u003cli\u003eRotate the pulley manually after installation to check for interference.\u003c\/li\u003e\n\u003cli\u003eVerify belt alignment before engaging the PTO under load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIncorrect pulley offset, mounting orientation, or anti-rotation alignment can cause clutch movement, wiring damage, belt wear, overheating, and premature bearing failure.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon Symptoms of a Failing PTO Clutch\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBlades will not engage when the PTO switch is activated\u003c\/li\u003e\n\u003cli\u003eThe clutch clicks but the deck belt does not begin turning\u003c\/li\u003e\n\u003cli\u003eBlades engage when cold but stop after the mower heats up\u003c\/li\u003e\n\u003cli\u003eThe clutch slips during heavy or wet cutting conditions\u003c\/li\u003e\n\u003cli\u003eThe deck belt squeals, smokes, or overheats during engagement\u003c\/li\u003e\n\u003cli\u003eBurning smell near the engine crankshaft or clutch\u003c\/li\u003e\n\u003cli\u003eGrinding, rumbling, or excessive pulley-bearing noise\u003c\/li\u003e\n\u003cli\u003eIntermittent blade engagement under load\u003c\/li\u003e\n\u003cli\u003eVisible heat damage around the electromagnetic coil or connector\u003c\/li\u003e\n\u003cli\u003eExcessive looseness or roughness at the pulley bearing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA weak battery, charging-system problem, faulty PTO switch, damaged wiring, poor ground, slipping deck belt, seized spindle, worn idler, or incorrect belt tension can create similar symptoms. Diagnose the complete PTO and deck-drive systems before replacing the clutch.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Buy From PTO Direct USA?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart-number-first PTO clutch listings\u003c\/li\u003e\n\u003cli\u003eClear physical specifications and cross-reference information\u003c\/li\u003e\n\u003cli\u003eFitment warnings designed to reduce incorrect clutch orders\u003c\/li\u003e\n\u003cli\u003eSeparate routing for similar Warner and Hustler clutch paths\u003c\/li\u003e\n\u003cli\u003eCommercial and residential mower clutch coverage\u003c\/li\u003e\n\u003cli\u003eSupport for mower owners, repair shops, and commercial operators\u003c\/li\u003e\n\u003cli\u003eQuick-ship fulfillment through trusted distribution partners\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eNeed Help Confirming Fitment?\u003c\/h2\u003e\n\u003cp\u003eSend PTO Direct USA your complete Hustler or Big Dog mower model, serial number, deck size, engine model, original clutch number, and clear photos of the clutch label, pulley, connector, mounting orientation, and anti-rotation bracket.\u003c\/p\u003e\n\u003cp\u003eWhen the original Warner number is unreadable, include measurements for the crankshaft bore, pulley diameter, pulley offset, belt groove, and clutch-body height.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does this PTO clutch replace?\u003c\/h3\u003e\n\u003cp\u003eThis clutch replaces \u003cstrong\u003eHustler and Big Dog 601311\u003c\/strong\u003e, the related \u003cstrong\u003e601311K clutch-kit path\u003c\/strong\u003e, \u003cstrong\u003eWarner 5218-222\u003c\/strong\u003e, and the earlier \u003cstrong\u003eWarner 5218-154\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhat are the main clutch specifications?\u003c\/h3\u003e\n\u003cp\u003eThis replacement uses a \u003cstrong\u003e1-1\/8-inch crankshaft bore\u003c\/strong\u003e, approximately \u003cstrong\u003e6.31-inch pulley\u003c\/strong\u003e, \u003cstrong\u003eclockwise rotation\u003c\/strong\u003e, reverse mounting, an integral 12 VDC connection, and a \u003cstrong\u003e200 ft-lb torque rating\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eIs Warner 5218-222 the replacement for 5218-154?\u003c\/h3\u003e\n\u003cp\u003eYes. Warner identifies 5218-222 as the current replacement for the earlier 5218-154 clutch.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between 601311 and 601311K?\u003c\/h3\u003e\n\u003cp\u003eHustler 601311 identifies the PTO clutch assembly. The 601311K number identifies the related clutch-kit path. Package contents beyond the clutch can vary, so confirm which supporting hardware is required.\u003c\/p\u003e\n\u003ch3\u003eDoes this fit a Hustler Mini Z 44-inch mower?\u003c\/h3\u003e\n\u003cp\u003eIt fits select Hustler Mini Z 44-inch applications using 601311 or 601311K. Confirm the original clutch number, complete mower model, and serial-specific parts diagram.\u003c\/p\u003e\n\u003ch3\u003eDoes this fit a Hustler Mini Z 52-inch mower?\u003c\/h3\u003e\n\u003cp\u003eIt fits select Mini Z 52-inch configurations using the 601311 clutch path. Other Mini Z configurations may use a different PTO clutch.\u003c\/p\u003e\n\u003ch3\u003eDoes this fit a Hustler Super Mini Z?\u003c\/h3\u003e\n\u003cp\u003eIt fits select Super Mini Z 44-inch and 52-inch mower configurations using 601311 or Warner 5218-222. Match the original clutch number before ordering.\u003c\/p\u003e\n\u003ch3\u003eDoes this fit Big Dog X-Series mowers?\u003c\/h3\u003e\n\u003cp\u003eThe 601311 path is associated with select Big Dog X-Series applications. Confirm the complete mower model, serial number, engine, deck size, and original clutch.\u003c\/p\u003e\n\u003ch3\u003eIs Hustler 787366 the same as 601311?\u003c\/h3\u003e\n\u003cp\u003eNo. Warner associates Hustler 787366 with Warner 5218-219, while Hustler 601311 is associated with Warner 5218-222. These are separate clutch paths.\u003c\/p\u003e\n\u003ch3\u003eIs Warner 5218-219 the same as 5218-222?\u003c\/h3\u003e\n\u003cp\u003eNo. Although some published dimensions are similar, they follow different clutch and mower-application paths. Do not substitute them based on dimensions or appearance alone.\u003c\/p\u003e\n\u003ch3\u003eIs Xtreme X0222 the same replacement path?\u003c\/h3\u003e\n\u003cp\u003eYes. Xtreme X0222 is an aftermarket replacement path associated with Hustler and Big Dog 601311 and 601311K applications.\u003c\/p\u003e\n\u003ch3\u003eWhat belt size does this clutch use?\u003c\/h3\u003e\n\u003cp\u003eThe replacement uses an A\/B combination pulley path and is commonly associated with a 5\/8-inch deck belt. Confirm the belt width and pulley groove on the original mower.\u003c\/p\u003e\n\u003ch3\u003eIs the PTO switch included?\u003c\/h3\u003e\n\u003cp\u003eNo PTO switch should be assumed to be included. This listing is for the complete electric PTO clutch assembly only.\u003c\/p\u003e\n\u003ch3\u003eIs the mounting bolt included?\u003c\/h3\u003e\n\u003cp\u003eDo not assume the crankshaft bolt, washer, key, spacer, or anti-rotation bracket is included. Reuse or replace the mower-specific hardware as required.\u003c\/p\u003e\n\u003ch3\u003eCan I order this clutch by appearance?\u003c\/h3\u003e\n\u003cp\u003eNo. Match 601311, 601311K, Warner 5218-222, or Warner 5218-154 first. Then confirm the bore, pulley diameter, clockwise rotation, reverse-mount orientation, belt groove, connector, pulley offset, mower model, and serial number.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eRelated Guides \u0026amp; PTO Clutch Resources\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pto-clutch-605777\"\u003e605777 \/ 605777K PTO Clutch for Hustler Raptor SD\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pto-clutch-603545\"\u003e603545 PTO Clutch for Hustler and Big Dog Mowers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/pto-clutches\"\u003eBrowse the Full Electric PTO Clutch Catalog\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PTO Direct USA","offers":[{"title":"Default Title","offer_id":53243095581039,"sku":"PTO-601311-ecp102397","price":174.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/5058\/6735\/files\/601311-pto-clutch.jpg?v=1785038484","url":"https:\/\/ptodirectusa.com\/products\/pto-clutch-601311","provider":"PTO Direct USA","version":"1.0","type":"link"}