{"product_id":"1a646025810-transmission-drive-pulley-4-25-od-for-tuff-torq-k46-k57-husqvarna","title":"1A646025810 Transmission Drive Pulley 4.25\" OD For Tuff Torq K46 K57 Husqvarna","description":"\u003ch2\u003eTransmission Drive Pulley for Tuff Torq K46\/K57 and Husqvarna\u003c\/h2\u003e\u003cp\u003eThis transmission drive pulley (OEM cross-reference 1A646025810) transfers engine power to the hydrostatic transaxle and maintains belt grip on select Tuff Torq K46\/K57-equipped Husqvarna tractors.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe transmission drive pulley mounts to the engine crankshaft and drives the ground-drive belt, delivering smooth speed and direction changes on Tuff Torq K46 and K57 hydro transaxles commonly found in Husqvarna lawn and garden tractors. Replacing a worn pulley restores belt alignment and prevents sudden power loss, making it an essential component for reliable mowing performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e4.25-inch outer diameter matches OEM drive pulley dimensions\u003c\/li\u003e\n\u003cli\u003ePrecision-cut V-groove provides consistent belt seating and reduced slip\u003c\/li\u003e\n\u003cli\u003eDirect replacement for Tuff Torq K46 and K57 transaxle pulleys\u003c\/li\u003e\n\u003cli\u003eBalanced steel construction minimizes vibration and extends belt life\u003c\/li\u003e\n\u003cli\u003eHardened wear surfaces resist grooving under heavy load\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Tuff Torq K46 transaxle\u003c\/li\u003e\n\u003cli\u003efor Tuff Torq K57 transaxle\u003c\/li\u003e\n\u003cli\u003efor Husqvarna tractors equipped with K46 or K57\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eLawn mowing on residential properties\u003c\/li\u003e\n\u003cli\u003eHauling yard debris with a tow-behind cart\u003c\/li\u003e\n\u003cli\u003eOperating a belt-driven snow blower in winter\u003c\/li\u003e\n\u003cli\u003ePulling a dethatcher or aerator for seasonal turf care\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1A646025810\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOuter Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.25 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Transaxles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Tuff Torq K46, K57\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tractor Brand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Husqvarna\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this pulley work on all Husqvarna models? \u003cstrong\u003eA:\u003c\/strong\u003e It fits select Husqvarna tractors that use a Tuff Torq K46 or K57 hydrostatic transaxle; verify your transaxle model before purchasing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the pulley come with a retaining bolt? \u003cstrong\u003eA:\u003c\/strong\u003e The assembly does not include a retaining bolt; reuse the existing bolt from your original pulley or source the correct size separately.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44965041537110,"sku":"ZZ3A00290","price":63.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_a1022788-005d-4ee3-9361-f887bf348ade.jpg?v=1781652820","url":"https:\/\/www.solidspare.com\/products\/1a646025810-transmission-drive-pulley-4-25-od-for-tuff-torq-k46-k57-husqvarna","provider":"Solid Spare","version":"1.0","type":"link"}