{"product_id":"main-shaft-40769","title":"Main Shaft 18-Spline 6-Groove Transmission Component - Sparex Part S.40769","description":"\u003cp\u003eThe Sparex S.40769 Main Shaft is a precision-machined gearbox component designed to deliver reliable power transfer between the engine and transmission in agricultural machinery. It restores smooth gear engagement and consistent torque delivery, ensuring optimal tractor performance under heavy-duty working conditions.\u003c\/p\u003e\n\n\u003cp\u003eEngineered with 18 splines, 6 grooves, and a 315mm length, this shaft provides perfect alignment and secure fitment within compatible Massey Ferguson transmission systems. Manufactured from hardened alloy steel, it offers exceptional resistance to wear, torsional stress, and deformation for extended service life.\u003c\/p\u003e\n\n\u003cp\u003eProduced by Sparex, a trusted global manufacturer of agricultural components, the S.40769 replaces OEM part numbers Massey Ferguson 1682542M1 and 1617694M1, and Landini 520701M3. Each shaft is precision-ground, balanced, and tested to meet or exceed original manufacturer specifications for strength and dimensional accuracy.\u003c\/p\u003e\n\n\u003cp\u003eSuitable for a wide range of Massey Ferguson tractors including models 135, 165, 175, 180, 185, 188, 235, 240, 245, 265, and 275. Ideal for technicians and operators requiring a durable and dependable replacement to restore gearbox functionality in field-ready condition.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Features\u003c\/strong\u003e\n  18-spline, 6-groove main shaft for efficient power transfer  Precision-machined for accurate fit and smooth torque delivery  Hardened alloy steel construction for maximum strength and durability  OEM-equivalent replacement for Massey Ferguson and Landini part numbers  Engineered to withstand heavy-duty transmission loads and stress  Tested for exact balance, dimensional accuracy, and long-term reliability  Perfect for: Tractor gearbox rebuilds, powertrain repairs, and agricultural machinery maintenance.\n\u003cp\u003e\u003cstrong\u003eExplore More:\u003c\/strong\u003e \u003ca href=\"\/collections\/pumps-motors-couplings-shafts\"\u003ePumps-motors Couplings \u0026amp; Shafts\u003c\/a\u003e | \u003ca href=\"\/collections\/tractor-couplings-shafts\"\u003eTractor Couplings \u0026amp; Shafts\u003c\/a\u003e | \u003ca href=\"\/collections\/transmission\"\u003eTractor Transmission\u003c\/a\u003e\u003c\/p\u003e","brand":"Sparex","offers":[{"title":"Default Title","offer_id":55925038612866,"sku":"SP-S.40769","price":191.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/8598\/9371\/files\/40769_pic1.jpg?v=1762349028","url":"https:\/\/farmingparts.com\/products\/main-shaft-40769","provider":"Farming Parts","version":"1.0","type":"link"}