{"product_id":"pto-clutch-gy20878","title":"GY20878 PTO Clutch Replacement for John Deere D140, L120, LA145 | Replaces GY20108, Warner 5219-20","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eGY20878 PTO clutch replacement\u003c\/strong\u003e is an aftermarket electric PTO clutch for select \u003cstrong\u003eJohn Deere\u003c\/strong\u003e, \u003cstrong\u003eScotts\u003c\/strong\u003e, and \u003cstrong\u003eSABO\u003c\/strong\u003e lawn tractor applications.\u003c\/p\u003e\n\u003cp\u003eThis clutch replaces \u003cstrong\u003eJohn Deere GY20878\u003c\/strong\u003e, \u003cstrong\u003eGY20108\u003c\/strong\u003e, \u003cstrong\u003eGY21340\u003c\/strong\u003e, and \u003cstrong\u003eGY20652\u003c\/strong\u003e, and cross-references \u003cstrong\u003eWarner 5219-20\u003c\/strong\u003e, \u003cstrong\u003eWarner 5219-73\u003c\/strong\u003e, \u003cstrong\u003eXtreme X0424\u003c\/strong\u003e, and \u003cstrong\u003eStens 255-001X\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eBuilt with a \u003cstrong\u003e1-inch crankshaft bore\u003c\/strong\u003e, \u003cstrong\u003e6.10 inch pulley diameter\u003c\/strong\u003e, and \u003cstrong\u003ecounter-clockwise rotation\u003c\/strong\u003e, this clutch is designed to restore reliable mower deck blade engagement when matched to the correct model, original clutch number, crankshaft size, pulley size, rotation, connector style, and physical specs.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAftermarket electric PTO clutch replacement for listed John Deere, Scotts, and SABO applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrankshaft Bore:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley Diameter:\u003c\/strong\u003e 6.10\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotation:\u003c\/strong\u003e CCW from pulley side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Speed:\u003c\/strong\u003e up to 3600 RPM\u003c\/li\u003e\n\u003cli\u003eEncapsulated electromagnetic coil for consistent engagement\u003c\/li\u003e\n\u003cli\u003eHigh-temperature bearing assembly\u003c\/li\u003e\n\u003cli\u003eFully assembled and ready to install\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCompatible Brands \u0026amp; Models\u003c\/h2\u003e\n\u003cp\u003eThis PTO clutch fits select \u003cstrong\u003eJohn Deere\u003c\/strong\u003e, \u003cstrong\u003eScotts\u003c\/strong\u003e, and \u003cstrong\u003eSABO\u003c\/strong\u003e lawn tractor applications that use the \u003cstrong\u003eGY20878\u003c\/strong\u003e, \u003cstrong\u003eGY20108\u003c\/strong\u003e, \u003cstrong\u003eGY21340\u003c\/strong\u003e, \u003cstrong\u003eGY20652\u003c\/strong\u003e, \u003cstrong\u003eWarner 5219-20\u003c\/strong\u003e, or \u003cstrong\u003eWarner 5219-73\u003c\/strong\u003e clutch path.\u003c\/p\u003e\n\u003ch3\u003eJohn Deere D-Series Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere D140\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere D150\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere D155\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere D160\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere D170\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJohn Deere E-Series Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere E140\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere E150\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere E160\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere E170\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere E180\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJohn Deere L \/ LA-Series Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere L120\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere L130\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere LA130\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere LA140\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere LA145\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere LA150\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere LA155\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere LA165\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere LA175\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eJohn Deere LA145 fitment help:\u003c\/strong\u003e Replacing the PTO clutch on an LA145? Read the \u003ca href=\"\/blogs\/pto-clutch-model-fitment-guides\/john-deere-la145-pto-clutch-replacement-guide\"\u003e\u003cstrong\u003eJohn Deere LA145 PTO clutch replacement guide\u003c\/strong\u003e\u003c\/a\u003e for GY20878 supersession notes, Warner 5219 cross references, related models, and fitment checks before ordering.\u003c\/p\u003e\n\u003ch3\u003eAdditional Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eJohn Deere G110\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eScotts L2048\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eScotts L2548\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSABO 92H lawn tractors\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment note:\u003c\/strong\u003e If your original clutch is marked \u003cstrong\u003eGY20878\u003c\/strong\u003e, \u003cstrong\u003eGY20108\u003c\/strong\u003e, \u003cstrong\u003eGY21340\u003c\/strong\u003e, \u003cstrong\u003eGY20652\u003c\/strong\u003e, \u003cstrong\u003eWarner 5219-20\u003c\/strong\u003e, \u003cstrong\u003eWarner 5219-73\u003c\/strong\u003e, \u003cstrong\u003eXtreme X0424\u003c\/strong\u003e, or \u003cstrong\u003eStens 255-001X\u003c\/strong\u003e, this is the correct replacement path. However, carefully match specs if relying on model information alone.\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 GY20878\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere:\u003c\/strong\u003e GY20108\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere:\u003c\/strong\u003e GY21340\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere:\u003c\/strong\u003e GY20652\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCross-Reference Aftermarket Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarner:\u003c\/strong\u003e 5219-20, 521920\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarner:\u003c\/strong\u003e 5219-73, 521973\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eXtreme:\u003c\/strong\u003e X0424\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStens:\u003c\/strong\u003e 255-001X, 255001X\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eComplete electric PTO clutch assembly\u003c\/li\u003e\n\u003cli\u003eFactory-balanced 6.10\" pulley\u003c\/li\u003e\n\u003cli\u003ePre-installed bearing assembly\u003c\/li\u003e\n\u003cli\u003eEncapsulated electromagnetic coil\u003c\/li\u003e\n\u003cli\u003eConnector as shown in product photos\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Buy From PTO Direct USA?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFast USA shipping\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"Fitment Guarantee Explained\" href=\"\/pages\/fitment-guarantee\"\u003eFitment guarantee\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e1-year warranty\u003c\/li\u003e\n\u003cli\u003eFitment-first product support\u003c\/li\u003e\n\u003cli\u003eClear product images for easier clutch identification\u003c\/li\u003e\n\u003cli\u003eTrusted replacement supplier for homeowners, repair shops, and mower service professionals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eDoes GY20878 fit John Deere D140, D150, D160, and D170 tractors?\u003c\/h3\u003e\n\u003cp\u003eYes, this clutch is listed for select \u003cstrong\u003eJohn Deere D140, D150, D155, D160\u003c\/strong\u003e, and \u003cstrong\u003eD170\u003c\/strong\u003e lawn tractor applications using the GY20878 clutch path. Confirm your original clutch number and physical specs before ordering.\u003c\/p\u003e\n\u003ch3\u003eDoes GY20878 fit John Deere E140, E150, E160, E170, and E180 tractors?\u003c\/h3\u003e\n\u003cp\u003eYes, this clutch is listed for select \u003cstrong\u003eJohn Deere E140, E150, E160, E170\u003c\/strong\u003e, and \u003cstrong\u003eE180\u003c\/strong\u003e applications. Match the original clutch number, 1-inch bore, pulley diameter, rotation, and connector style before ordering.\u003c\/p\u003e\n\u003ch3\u003eDoes this clutch fit John Deere L120 and L130?\u003c\/h3\u003e\n\u003cp\u003eYes, this clutch is listed for select \u003cstrong\u003eJohn Deere L120\u003c\/strong\u003e and \u003cstrong\u003eL130\u003c\/strong\u003e lawn tractor applications using the GY20878 \/ GY20108 clutch path.\u003c\/p\u003e\n\u003ch3\u003eDoes this clutch fit John Deere LA145 or LA175?\u003c\/h3\u003e\n\u003cp\u003eYes, this clutch is listed for select \u003cstrong\u003eJohn Deere LA145\u003c\/strong\u003e, \u003cstrong\u003eLA150\u003c\/strong\u003e, \u003cstrong\u003eLA155\u003c\/strong\u003e, \u003cstrong\u003eLA165\u003c\/strong\u003e, and \u003cstrong\u003eLA175\u003c\/strong\u003e applications. Confirm the original clutch number before ordering. For LA145-specific details, see the \u003ca href=\"\/blogs\/pto-clutch-model-fitment-guides\/john-deere-la145-pto-clutch-replacement-guide\"\u003e\u003cstrong\u003eJohn Deere LA145 PTO clutch replacement guide\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIs Warner 5219-20 the same fitment as GY20878?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWarner 5219-20\u003c\/strong\u003e is the Warner cross-reference commonly associated with the \u003cstrong\u003eGY20878\u003c\/strong\u003e clutch path.\u003c\/p\u003e\n\u003ch3\u003eIs Warner 5219-73 the same fitment as GY20878?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWarner 5219-73\u003c\/strong\u003e is also commonly listed in the GY20878 clutch family. Match the original clutch number and physical specs before ordering.\u003c\/p\u003e\n\u003ch3\u003eIs Xtreme X0424 the same fitment?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eXtreme X0424\u003c\/strong\u003e is an aftermarket cross-reference for the \u003cstrong\u003eGY20878 \/ Warner 5219-20\u003c\/strong\u003e PTO clutch family.\u003c\/p\u003e\n\u003ch3\u003eWhat bore size does GY20878 use?\u003c\/h3\u003e\n\u003cp\u003eThis clutch uses a \u003cstrong\u003e1-inch bore\u003c\/strong\u003e. Confirm your crankshaft size before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat pulley diameter does this clutch use?\u003c\/h3\u003e\n\u003cp\u003eThis clutch is commonly listed with a \u003cstrong\u003e6.10 inch pulley diameter\u003c\/strong\u003e. Confirm against your original clutch and product photos before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat rotation does this clutch use?\u003c\/h3\u003e\n\u003cp\u003eThis clutch uses \u003cstrong\u003ecounter-clockwise rotation\u003c\/strong\u003e, commonly written as \u003cstrong\u003eCCW\u003c\/strong\u003e. Match rotation to your original clutch before installing a replacement.\u003c\/p\u003e\n\u003ch3\u003eWhat are common signs of a failing PTO clutch?\u003c\/h3\u003e\n\u003cp\u003eCommon symptoms include mower blades not engaging, the PTO clutch clicking but the blades not spinning, slipping under load, intermittent blade engagement, a burning smell, or blades slowing down after the mower heats up. A worn coil can work cold, then weaken after 10 to 30 minutes of mowing.\u003c\/p\u003e\n\u003ch3\u003eCan PTO Direct USA help me confirm fitment?\u003c\/h3\u003e\n\u003cp\u003eYes. Email \u003cstrong\u003esupport@ptodirectusa.com\u003c\/strong\u003e with your mower model number, serial number, deck size, original clutch number, and clear photos of the old clutch. For the best fitment help, include photos of the clutch label or stamped number, wiring connector, pulley, anti-rotation bracket, and crankshaft area.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eNeed help checking crankshaft size? Read the \u003ca href=\"\/blogs\/pto-clutch-fitment-guides\/pto-clutch-bore-size-guide\"\u003e\u003cstrong\u003e1-inch vs 1-1\/8 inch PTO clutch bore guide\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNeed help with rotation? Read the \u003ca href=\"\/blogs\/pto-clutch-fitment-guides\/pto-clutch-rotation-guide\"\u003e\u003cstrong\u003ePTO clutch rotation guide\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNeed help comparing Warner numbers? Read the \u003ca href=\"\/blogs\/pto-clutch-fitment-guides\/warner-5219-cross-reference-guide\"\u003e\u003cstrong\u003eWarner 5219 PTO clutch cross-reference guide\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\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 full \u003ca href=\"\/collections\/pto-clutches\"\u003e\u003cstrong\u003eelectric PTO clutch catalog\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e","brand":"PTO Direct USA","offers":[{"title":"Default Title","offer_id":52644835262831,"sku":"PTO-GY20878","price":164.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/5058\/6735\/files\/gy20878-john-deere-pto-clutch.jpg?v=1780897091","url":"https:\/\/ptodirectusa.com\/products\/pto-clutch-gy20878","provider":"PTO Direct USA","version":"1.0","type":"link"}