{"product_id":"pto-extender-adaptor-female-21-1-3-8-male-6-1-3-8-spline-for-70hp-engine","title":"PTO Extender Adaptor Female 21 \u0026 1-3\/8\" Male 6 \u0026 1-3\/8\" Spline For 70HP Engine","description":"\u003ch2\u003ePTO Extender Adaptor Female 21 \u0026amp; 1-3\/8\" Male 6 \u0026amp; 1-3\/8\" Spline\u003c\/h2\u003e\u003cp\u003eThis PTO extender adaptor features a female 21-spline 1-3\/8\" input and a male 6-spline 1-3\/8\" output, designed to extend the power take-off shaft for 70HP engines, enabling connection of implements with different spline counts.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis PTO extender adaptor with female 21-spline and male 6-spline 1-3\/8\" connections bridges spline mismatches and adds length to tractor PTO shafts. It is built for 70HP engines and heavy-duty use, allowing operators to attach implements like rotary cutters, finish mowers, and post hole diggers that require a 6-spline input. The robust steel construction ensures reliable power transfer and long service life.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFemale 21-spline 1-3\/8\" input mates to standard tractor PTO shafts\u003c\/li\u003e\n\u003cli\u003eMale 6-spline 1-3\/8\" output connects to 6-spline implements\u003c\/li\u003e\n\u003cli\u003eExtends PTO length for better implement clearance\u003c\/li\u003e\n\u003cli\u003eRated for engines up to 70 horsepower\u003c\/li\u003e\n\u003cli\u003eHeavy-duty steel construction with corrosion-resistant coating\u003c\/li\u003e\n\u003cli\u003ePrecision splines ensure snug, vibration-free fit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eConnecting a 21-spline tractor PTO to a 6-spline rotary cutter\u003c\/li\u003e\n\u003cli\u003eExtending the PTO shaft to reach implements on compact tractors\u003c\/li\u003e\n\u003cli\u003eAdapting spline counts on brush hogs, finish mowers, and augers\u003c\/li\u003e\n\u003cli\u003eUsed in agricultural and landscaping equipment setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFemale 21-spline, 1-3\/8\" diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMale 6-spline, 1-3\/8\" diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Engine Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteel\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 adaptor work with my tractor's PTO? \u003cstrong\u003eA:\u003c\/strong\u003e Check that your tractor output shaft has a 21-spline, 1-3\/8\" female connection and your implement requires a 6-spline, 1-3\/8\" male input. The adaptor is designed for up to 70HP.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I use this extender with a brush hog? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, as long as the brush hog has a 6-spline 1-3\/8\" input and your tractor provides a 21-spline 1-3\/8\" output, this adaptor extends the connection.\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":44965036654678,"sku":"ZZ3A00661","price":87.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_10b16d25-27b9-4076-936f-5180e1959d3f.jpg?v=1781652627","url":"https:\/\/www.solidspare.com\/products\/pto-extender-adaptor-female-21-1-3-8-male-6-1-3-8-spline-for-70hp-engine","provider":"Solid Spare","version":"1.0","type":"link"}