{"product_id":"pto-clutch-tca15800","title":"TCA15800 PTO Clutch for John Deere ZTrak 737, 757, 777, 797","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eHD Switch TCA15800 electric PTO clutch\u003c\/strong\u003e is a third-party replacement and heavy-duty upgrade option for select \u003cstrong\u003e\u003ca href=\"\/collections\/john-deere-pto-clutches\"\u003eJohn Deere ZTrak\u003c\/a\u003e\u003c\/strong\u003e commercial zero-turn mower applications using the \u003cstrong\u003eTCA15800\u003c\/strong\u003e clutch path.\u003c\/p\u003e\n\u003cp\u003eCommon confirmed mower paths include later-production \u003cstrong\u003eJohn Deere 737, 757, 777\u003c\/strong\u003e, and \u003cstrong\u003e797 ZTrak\u003c\/strong\u003e models. Fitment is serial-specific, so do not choose this clutch by mower model or appearance alone.\u003c\/p\u003e\n\u003cp\u003eThe linked marketplace seller describes this clutch as a \u003cstrong\u003e300 ft-lb high-torque upgrade\u003c\/strong\u003e with a billet pulley, upgraded bearings, and a replaceable wire harness. These are seller-stated features of the linked HD Switch product and should not be confused with specifications for every TCA15800 replacement sold by other manufacturers.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAftermarket electric PTO clutch for the John Deere TCA15800 replacement path\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e HD Switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeller-Rated Torque:\u003c\/strong\u003e 300 ft-lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal Clutch Family:\u003c\/strong\u003e approximately 250 ft-lb nominal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrankshaft Bore:\u003c\/strong\u003e 1-1\/8 inch \/ 1.125 inch reference size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotation:\u003c\/strong\u003e CW from pulley side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley:\u003c\/strong\u003e seller-described billet pulley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing Setup:\u003c\/strong\u003e seller-described C3 bearing upgrade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e seller-described replaceable wire harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Type:\u003c\/strong\u003e commercial zero-turn mower deck engagement\u003c\/li\u003e\n\u003cli\u003eComplete electric PTO clutch and brake assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCompatible Brands \u0026amp; Model Series\u003c\/h2\u003e\n\u003cp\u003eThis PTO clutch is intended for select \u003cstrong\u003eJohn Deere 700-Series commercial ZTrak\u003c\/strong\u003e applications that originally use \u003cstrong\u003eJohn Deere TCA15800\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eCommon TCA15800 Model Paths\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere 737 ZTrak:\u003c\/strong\u003e serial number 040,001 and higher\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere 757 ZTrak:\u003c\/strong\u003e serial number 040,001 and higher\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere 777 ZTrak:\u003c\/strong\u003e serial number 030,001 and higher\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere 797 ZTrak:\u003c\/strong\u003e serial number 030,001 and higher\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSerial-number warning:\u003c\/strong\u003e Earlier versions of these mower models may use the \u003ca href=\"\/products\/pto-clutch-tca12522\"\u003e\u003cstrong\u003eTCA12522\u003c\/strong\u003e\u003c\/a\u003e clutch path instead. Confirm the machine serial number and original clutch label 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\u003eJohn Deere:\u003c\/strong\u003e TCA15800\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eAftermarket Cross-Reference Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOgura:\u003c\/strong\u003e GT3.5-MC07\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eXtreme:\u003c\/strong\u003e X0435\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\u003eMower blades will not engage when the PTO switch is pulled\u003c\/li\u003e\n\u003cli\u003ePTO clutch clicks, but the deck belt and blades do not turn\u003c\/li\u003e\n\u003cli\u003eBlades engage when cold, then stop after the mower heats up\u003c\/li\u003e\n\u003cli\u003eClutch slips or disengages under heavy mowing load\u003c\/li\u003e\n\u003cli\u003eDeck belt squeals, slips, smokes, or shows unusual heat damage\u003c\/li\u003e\n\u003cli\u003eBurning smell near the engine crankshaft or mower deck belt\u003c\/li\u003e\n\u003cli\u003eIntermittent blade engagement caused by a weak coil or damaged connector\u003c\/li\u003e\n\u003cli\u003eGrinding, bearing noise, excessive vibration, or pulley movement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBefore replacing the clutch, inspect the PTO switch, battery voltage, charging system, fuse, wiring, ground connection, deck belt, idler pulleys, blade spindles, and anti-rotation hardware. Electrical or deck-drag problems can damage a replacement clutch.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 HD Switch electric PTO clutch for the TCA15800 replacement path\u003c\/li\u003e\n\u003cli\u003eBillet pulley as described by the marketplace seller\u003c\/li\u003e\n\u003cli\u003eIntegrated electromagnetic coil and brake assembly\u003c\/li\u003e\n\u003cli\u003eReplaceable wire harness as described by the marketplace seller\u003c\/li\u003e\n\u003cli\u003eInstalled bearing assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot automatically included:\u003c\/strong\u003e PTO switch, crankshaft bolt, washer, spacer, anti-rotation rod, mounting hardware, deck belt, or installation tools unless specifically shown and stated in the current marketplace listing.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy We Selected This Listing\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDedicated clutch-only offer for the TCA15800 buyer path\u003c\/li\u003e\n\u003cli\u003eStrong marketplace sales activity for this part number\u003c\/li\u003e\n\u003cli\u003eClear John Deere 737, 757, 777, and 797 search intent\u003c\/li\u003e\n\u003cli\u003eSeller-described 300 ft-lb heavy-duty torque rating\u003c\/li\u003e\n\u003cli\u003eSeller-described billet pulley and upgraded bearing design\u003c\/li\u003e\n\u003cli\u003eReplaceable harness design may simplify future wiring service\u003c\/li\u003e\n\u003cli\u003eDirect alternative for buyers who need a third-party marketplace option\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eThird-Party Purchase Notice\u003c\/h2\u003e\n\u003cp\u003eThis clutch is not stocked, sold, shipped, or warranted directly by PTO Direct USA. Selecting the purchase button sends you to a third-party marketplace listing.\u003c\/p\u003e\n\u003cp\u003eBefore completing your purchase, verify:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe seller and product shown are still the intended HD Switch listing\u003c\/li\u003e\n\u003cli\u003eThe listing still identifies John Deere TCA15800\u003c\/li\u003e\n\u003cli\u003eThe product is a clutch-only listing rather than a switch bundle\u003c\/li\u003e\n\u003cli\u003eThe current price and shipping estimate\u003c\/li\u003e\n\u003cli\u003eThe seller’s return and warranty policies\u003c\/li\u003e\n\u003cli\u003eThe current photos, specifications, and included components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eNeed Help Confirming Fitment?\u003c\/h2\u003e\n\u003cp\u003eUse the \u003ca href=\"\/pages\/pto-clutch-fitment-guide\"\u003e\u003cstrong\u003ePTO Clutch Fitment Help page\u003c\/strong\u003e\u003c\/a\u003e before ordering. It explains which part numbers, mower details, measurements, and photos are needed to confirm the correct clutch path.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does the TCA15800 PTO clutch fit?\u003c\/h3\u003e\n\u003cp\u003eThe TCA15800 clutch path is used on select later-production \u003cstrong\u003eJohn Deere 737, 757, 777\u003c\/strong\u003e, and \u003cstrong\u003e797 ZTrak\u003c\/strong\u003e commercial zero-turn mowers. Fitment depends on the mower serial number and original clutch identification.\u003c\/p\u003e\n\u003ch3\u003eWhat serial numbers use TCA15800?\u003c\/h3\u003e\n\u003cp\u003eCommon documented paths include the \u003cstrong\u003eJohn Deere 737 and 757 from serial 040,001 and higher\u003c\/strong\u003e and the \u003cstrong\u003eJohn Deere 777 and 797 from serial 030,001 and higher\u003c\/strong\u003e. Confirm the original clutch number in the model-specific parts diagram before ordering.\u003c\/p\u003e\n\u003ch3\u003eDoes TCA15800 fit every John Deere 737 or 757?\u003c\/h3\u003e\n\u003cp\u003eNo. Earlier 737 and 757 applications may use \u003cstrong\u003eTCA12522\u003c\/strong\u003e. The TCA15800 path is commonly associated with serial number \u003cstrong\u003e040,001 and higher\u003c\/strong\u003e on these two models.\u003c\/p\u003e\n\u003ch3\u003eDoes TCA15800 fit every John Deere 777 or 797?\u003c\/h3\u003e\n\u003cp\u003eNo. Earlier 777 and 797 applications may use a different clutch path. TCA15800 is commonly associated with serial number \u003cstrong\u003e030,001 and higher\u003c\/strong\u003e on these models.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between TCA15800 and TCA12522?\u003c\/h3\u003e\n\u003cp\u003eBoth numbers are used on some of the same John Deere mower model families, but they belong to different serial-number and physical-clutch paths. Do not treat them as automatically interchangeable.\u003c\/p\u003e\n\u003cp\u003eFor the earlier clutch path, view the \u003ca href=\"\/products\/pto-clutch-tca12522\"\u003e\u003cstrong\u003eTCA12522 PTO clutch replacement\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIs Ogura GT3.5-MC07 the same clutch path as TCA15800?\u003c\/h3\u003e\n\u003cp\u003eYes. \u003cstrong\u003eOgura GT3.5-MC07\u003c\/strong\u003e is a confirmed manufacturer number associated with the John Deere \u003cstrong\u003eTCA15800\u003c\/strong\u003e clutch family. Match the complete number and physical configuration before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat bore size does TCA15800 use?\u003c\/h3\u003e\n\u003cp\u003eThe TCA15800 clutch family uses a nominal \u003cstrong\u003e1-1\/8 inch crankshaft bore\u003c\/strong\u003e. Always measure and inspect the original clutch before purchasing an aftermarket replacement.\u003c\/p\u003e\n\u003ch3\u003eWhat direction does the TCA15800 clutch rotate?\u003c\/h3\u003e\n\u003cp\u003eThis clutch path is commonly listed as \u003cstrong\u003eCW from pulley side\u003c\/strong\u003e. Rotation must match the original clutch and mower deck drive system.\u003c\/p\u003e\n\u003ch3\u003eIs this an original John Deere or Ogura clutch?\u003c\/h3\u003e\n\u003cp\u003eNo. The linked product is an \u003cstrong\u003eHD Switch aftermarket replacement and upgrade\u003c\/strong\u003e marketed for the John Deere TCA15800 path. It should not be described as a genuine John Deere or genuine Ogura clutch.\u003c\/p\u003e\n\u003ch3\u003eIs the 300 ft-lb rating an OEM specification?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e300 ft-lb rating\u003c\/strong\u003e is the linked seller’s stated rating for the HD Switch upgrade clutch. The original Ogura clutch family is commonly rated at approximately \u003cstrong\u003e250 ft-lb nominal torque\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eDoes this listing include the PTO switch?\u003c\/h3\u003e\n\u003cp\u003eThe linked eBay item is intended to be a \u003cstrong\u003eclutch-only listing\u003c\/strong\u003e. A PTO switch is not included unless the current marketplace title, photos, or included-items section specifically states otherwise.\u003c\/p\u003e\n\u003ch3\u003eWho handles shipping, returns, and warranty claims?\u003c\/h3\u003e\n\u003cp\u003eThe third-party marketplace seller handles payment, shipping, returns, product support, and warranty claims. Review the current marketplace terms before purchasing.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eNeed installation help? Read the \u003ca href=\"\/blogs\/pto-clutch-guides\/pto-clutch-installation\"\u003e\u003cstrong\u003ePTO clutch installation guide\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNeed a different John Deere clutch? Browse the \u003ca href=\"\/collections\/john-deere-pto-clutches\"\u003e\u003cstrong\u003eJohn Deere PTO clutch collection\u003c\/strong\u003e\u003c\/a\u003e or the complete \u003ca href=\"\/collections\/pto-clutches\"\u003e\u003cstrong\u003eelectric PTO clutch catalog\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e","brand":"HD Switch","offers":[{"title":"Default Title","offer_id":53226236641647,"sku":"PTO-TCA15800","price":289.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/5058\/6735\/files\/tca15800-pto-clutch.jpg?v=1784516186","url":"https:\/\/ptodirectusa.com\/products\/pto-clutch-tca15800","provider":"PTO Direct USA","version":"1.0","type":"link"}