{"product_id":"pto-clutch-142-3587","title":"Exmark 142-3587 PTO Clutch Replacement | 135-5267 | Warner 5218-408","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis page covers aftermarket electric PTO clutch options for select \u003cstrong\u003eExmark Staris S-Series\u003c\/strong\u003e stand-on mowers using the \u003cstrong\u003eExmark 142-3587 \/ 135-5267\u003c\/strong\u003e clutch path.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExmark 135-5267 supersedes to the current Exmark 142-3587 part number.\u003c\/strong\u003e The current aftermarket replacement path also references \u003cstrong\u003eWarner 5218-408 \/ 5218408\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe eBay collection linked from this page currently includes \u003cstrong\u003eHD Switch BIGBearing HiTorque 210 ft-lb aftermarket replacements\u003c\/strong\u003e marketed under different part-number titles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant price note:\u003c\/strong\u003e One option may be priced significantly higher even though the listings appear to cover the same HD Switch clutch and confirmed replacement-number path. Based on the verified \u003cstrong\u003e135-5267 to 142-3587 supersession\u003c\/strong\u003e, the lower-priced listing should be the better-value option when it still identifies \u003cstrong\u003eExmark 135-5267, Exmark 142-3587, or Warner 5218-408\u003c\/strong\u003e and shows the same clutch specifications.\u003c\/p\u003e\n\u003cp\u003eAlways review the current listing price, part numbers, specifications, shipping terms, return policy, and included items before purchasing. Products are sold and fulfilled by independent sellers on eBay.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003e\u003cstrong\u003eSupersession evidence:\u003c\/strong\u003e PartsTree’s model-specific Exmark parts diagram lists \u003cstrong\u003e135-5267 as superseded to 142-3587\u003c\/strong\u003e. \u003ca rel=\"nofollow noopener\" href=\"https:\/\/www.partstree.com\/parts\/exmark-135-5267\/\" target=\"_blank\"\u003eView the part-number reference\u003c\/a\u003e.\u003c\/small\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e aftermarket electric PTO clutch with integrated brake\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Exmark Part Number:\u003c\/strong\u003e 142-3587\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevious Exmark Part Number:\u003c\/strong\u003e 135-5267\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarner Cross-Reference:\u003c\/strong\u003e 5218-408 \/ 5218408\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHD Switch HiTorque Rating:\u003c\/strong\u003e 210 ft-lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Reference Rating:\u003c\/strong\u003e 175 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\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley \/ Flange OD:\u003c\/strong\u003e approximately 7.34 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotation:\u003c\/strong\u003e CW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e reverse mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e integral connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley Design:\u003c\/strong\u003e machined billet pulley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing Design:\u003c\/strong\u003e larger replaceable pulley bearing with snap-ring retention\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCompatible Brands \u0026amp; Model Series\u003c\/h2\u003e\n\u003cp\u003eThis replacement path fits select \u003cstrong\u003e48-inch and 52-inch Exmark Staris S-Series\u003c\/strong\u003e stand-on mowers originally equipped with the \u003cstrong\u003e135-5267\u003c\/strong\u003e clutch or currently routed to \u003cstrong\u003e142-3587\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConfirmed model paths include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTS650AKC48400:\u003c\/strong\u003e 48-inch Staris S-Series with Kohler engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTS651GKA48400:\u003c\/strong\u003e 48-inch Staris S-Series with Kawasaki engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTS730AKC52400:\u003c\/strong\u003e 52-inch Staris S-Series with Kohler engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTS730GKA52400:\u003c\/strong\u003e 52-inch Staris S-Series with Kawasaki engine\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMatch the complete mower model number, serial number, and original 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\u003eExmark:\u003c\/strong\u003e 142-3587\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExmark:\u003c\/strong\u003e 135-5267\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSupersession path:\u003c\/strong\u003e Exmark 135-5267 supersedes to Exmark 142-3587.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAftermarket Cross-Reference Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarner:\u003c\/strong\u003e 5218-408\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarner:\u003c\/strong\u003e 5218408\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eUnderstanding the eBay Options\u003c\/h2\u003e\n\u003cp\u003eThe linked collection may contain more than one listing for this clutch because sellers target different buyer search terms:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne listing may emphasize the current \u003cstrong\u003eExmark 142-3587\u003c\/strong\u003e number\u003c\/li\u003e\n\u003cli\u003eAnother may emphasize the earlier \u003cstrong\u003eExmark 135-5267\u003c\/strong\u003e number\u003c\/li\u003e\n\u003cli\u003eAnother may emphasize the \u003cstrong\u003eWarner 5218-408\u003c\/strong\u003e cross-reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThose different listing titles do not automatically mean the clutches are physically different.\u003c\/p\u003e\n\u003cp\u003eWhen two listings show the same brand, photographs, 210 ft-lb rating, bore, pulley, connector, mounting arrangement, and replacement-number path, the lower-priced listing should generally provide the better value.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo not pay more solely because one title uses the newer 142-3587 part number.\u003c\/strong\u003e Confirm the full listing details before ordering because eBay sellers can revise listings, specifications, pricing, and included items.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eImportant Fitment Check\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMatch the original PTO clutch number before ordering.\u003c\/strong\u003e This replacement path is intended for \u003cstrong\u003eExmark 142-3587 \/ 135-5267\u003c\/strong\u003e and \u003cstrong\u003eWarner 5218-408 \/ 5218408\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDo not substitute the separate \u003cstrong\u003eExmark 142-3588 \/ 135-1307\u003c\/strong\u003e clutch based on the Staris S name alone. That is a different clutch path used on 60-inch Staris S applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eBefore Ordering\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMatch Exmark 142-3587, Exmark 135-5267, or Warner 5218-408\u003c\/li\u003e\n\u003cli\u003eConfirm the complete Exmark mower model number\u003c\/li\u003e\n\u003cli\u003eConfirm the mower serial number\u003c\/li\u003e\n\u003cli\u003eConfirm the mower has a 48-inch or 52-inch deck\u003c\/li\u003e\n\u003cli\u003eConfirm the linked listing still shows the expected 210 ft-lb clutch\u003c\/li\u003e\n\u003cli\u003eCompare the bore, pulley, rotation, connector, mounting direction, and anti-rotation setup\u003c\/li\u003e\n\u003cli\u003eReview the seller’s current shipping, return, and warranty terms\u003c\/li\u003e\n\u003cli\u003eDo not order by appearance or listing title alone\u003c\/li\u003e\n\u003c\/ul\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\u003ePTO clutch clicks but the deck belt does not begin turning\u003c\/li\u003e\n\u003cli\u003eBlades engage when cold and stop after the mower heats up\u003c\/li\u003e\n\u003cli\u003eBlade speed drops while mowing heavy or wet grass\u003c\/li\u003e\n\u003cli\u003eDeck belt slips, squeals, or smokes during engagement\u003c\/li\u003e\n\u003cli\u003eBurning smell or excessive heat near the clutch\u003c\/li\u003e\n\u003cli\u003eGrinding, bearing noise, or visible pulley wobble\u003c\/li\u003e\n\u003cli\u003eIntermittent blade engagement under mowing load\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 the part number from your original PTO clutch, your complete Exmark mower model number, serial number, and deck size before ordering.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eDoes Exmark 135-5267 supersede to 142-3587?\u003c\/h3\u003e\n\u003cp\u003eYes. The verified Exmark replacement path lists \u003cstrong\u003e135-5267 as superseded to 142-3587\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhat Warner clutch cross-references to this replacement path?\u003c\/h3\u003e\n\u003cp\u003eThe corresponding Warner reference is \u003cstrong\u003e5218-408 \/ 5218408\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhy are the eBay listings priced so differently?\u003c\/h3\u003e\n\u003cp\u003eThe listings appear to target different part-number searches. One emphasizes Exmark 142-3587, while another emphasizes Exmark 135-5267 and Warner 5218-408. A higher price does not automatically indicate a different or better clutch.\u003c\/p\u003e\n\u003ch3\u003eIs it reasonable to choose the lower-priced listing?\u003c\/h3\u003e\n\u003cp\u003eYes, when the listing still identifies the confirmed \u003cstrong\u003e142-3587 \/ 135-5267 \/ 5218-408\u003c\/strong\u003e replacement path and shows the same brand, specifications, photographs, and included items. Review the current listing carefully before purchasing.\u003c\/p\u003e\n\u003ch3\u003eWhat Exmark models use this PTO clutch path?\u003c\/h3\u003e\n\u003cp\u003eThis clutch path is confirmed on select 48-inch and 52-inch Exmark Staris S-Series models, including \u003cstrong\u003eSTS650AKC48400, STS651GKA48400, STS730AKC52400, and STS730GKA52400\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eDoes this clutch fit a 60-inch Exmark Staris S?\u003c\/h3\u003e\n\u003cp\u003eNo. The 60-inch Staris S uses the separate \u003cstrong\u003e142-3588 \/ 135-1307\u003c\/strong\u003e clutch path.\u003c\/p\u003e\n\u003ch3\u003eWhat is the advertised torque rating?\u003c\/h3\u003e\n\u003cp\u003eThe current HD Switch HiTorque replacement listings advertise a \u003cstrong\u003e210 ft-lb\u003c\/strong\u003e rating compared with a 175 ft-lb OEM reference rating.\u003c\/p\u003e\n\u003ch3\u003eIs this a genuine Exmark or Warner clutch?\u003c\/h3\u003e\n\u003cp\u003eNo. The current options in the linked collection are aftermarket HD Switch replacement clutches unless an individual listing specifically states otherwise.\u003c\/p\u003e\n\u003ch3\u003eWho sells and ships the clutch?\u003c\/h3\u003e\n\u003cp\u003eThe clutch is sold and fulfilled by the seller on eBay. Review the individual seller’s shipping, warranty, and return terms before purchasing.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eRelated Exmark PTO Clutch Resources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/pto-clutch-guides\/exmark-pto-clutch-replacement-guide\"\u003eExmark PTO Clutch Replacement Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/exmark-pto-clutches\"\u003eBrowse Exmark PTO Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/pto-clutches\"\u003eBrowse All Electric PTO Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HD Switch","offers":[{"title":"Default Title","offer_id":53219594961263,"sku":"PTO-142-3587-x-135-5267","price":359.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/5058\/6735\/files\/142-3587-pto-clutch.jpg?v=1784180169","url":"https:\/\/ptodirectusa.com\/products\/pto-clutch-142-3587","provider":"PTO Direct USA","version":"1.0","type":"link"}