{"product_id":"pto-clutch-99078","title":"99078 PTO Clutch Replacement for Bush Hog ZT Series | Replaces 5218-46 \u0026 More","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eBush Hog PTO clutch 99078 replacement\u003c\/strong\u003e is designed as a direct OEM-spec replacement for Bush Hog zero-turn mower platforms. This electric PTO clutch restores smooth blade engagement, consistent torque transfer, and reliable long-term mowing performance.\u003c\/p\u003e\n\n\u003cp\u003eCommonly used on \u003cstrong\u003eBush Hog\u003c\/strong\u003e and Rhino zero-turn mowers, this clutch is built for high torque output and dependable PTO engagement in commercial and heavy-duty residential applications.\u003c\/p\u003e\n\n\u003cp\u003eBuilt with a \u003cstrong\u003e4.88-inch pulley\u003c\/strong\u003e, \u003cstrong\u003e1-1\/8 inch crankshaft bore\u003c\/strong\u003e, \u003cstrong\u003eCCW rotation\u003c\/strong\u003e, and a \u003cstrong\u003e370°F thermal cutoff\u003c\/strong\u003e, this clutch is engineered for reliable operation at speeds up to 3600 RPM. Encapsulated coils and high-temperature bearings ensure consistent engagement and long service life.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDirect OEM replacement electric PTO clutch assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley Diameter:\u003c\/strong\u003e 4.88 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrankshaft Size:\u003c\/strong\u003e 1-1\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotation:\u003c\/strong\u003e CCW (counter-clockwise)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Speed:\u003c\/strong\u003e Up to 3600 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e370°F Thermal Cutoff\u003c\/strong\u003e to protect against overheating\u003c\/li\u003e\n\u003cli\u003eEncapsulated electromagnetic coil for reliable engagement\u003c\/li\u003e\n\u003cli\u003eHigh-temperature bearings for consistent performance\u003c\/li\u003e\n\u003cli\u003eEnhanced torque output for improved blade engagement\u003c\/li\u003e\n\u003cli\u003eFully assembled and ready to install\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eCompatible With These Brands \u0026amp; Model Series\u003c\/h2\u003e\n\u003cp\u003eThis PTO clutch fits Bush Hog and Rhino zero-turn mower platforms using the same specification.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBush Hog Zero-Turn Mowers:\u003c\/strong\u003e ZT18, ZT180, ZT22, ZT220, ZT230, ZT25, ZT250\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRhino Zero-Turn Mowers:\u003c\/strong\u003e Compatible models using OEM part number 99078\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFitment can vary by model and year. Always confirm your part number matches one of the numbers listed below.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eReplaces OEM Part Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBush Hog:\u003c\/strong\u003e 99078\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAftermarket Cross-Reference Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarner:\u003c\/strong\u003e 5218-46\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eXtreme:\u003c\/strong\u003e X0298, X0298-K\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\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 4.88\" pulley\u003c\/li\u003e\n\u003cli\u003ePre-installed high-temperature bearings\u003c\/li\u003e\n\u003cli\u003eEncapsulated electromagnetic coil\u003c\/li\u003e\n\u003cli\u003ePlug-and-play wiring connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy Buy From PTO Direct USA?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFast USA shipping\u003c\/li\u003e\n\u003cli\u003eOEM-spec \u003ca href=\"\/pages\/fitment-guarantee\" title=\"Fitment Guarantee Explained\"\u003efitment guarantee\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e1-year warranty\u003c\/li\u003e\n\u003cli\u003ePremium PTO Direct USA product images for easy identification\u003c\/li\u003e\n\u003cli\u003eTrusted replacement supplier for commercial operators and professionals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp\u003eNeed a different fitment? Browse the full \u003ca href=\"\/collections\/pto-clutches\"\u003eelectric PTO clutch catalog\u003c\/a\u003e to find the correct replacement.\u003c\/p\u003e","brand":"PTO Direct USA","offers":[{"title":"Default Title","offer_id":52778726818159,"sku":"C-PTO-0158","price":199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/5058\/6735\/files\/99078-pto-clutch-replacement-main.jpg?v=1776669480","url":"https:\/\/ptodirectusa.com\/products\/pto-clutch-99078","provider":"PTO Direct USA","version":"1.0","type":"link"}