Main Shaft 490 MM Precision Gearbox Component for Ford Sparex Part S.65337 Learn to make a tutu like this with Sew Classical Tutus Australia. Tutu. The Sparex S. 65337 Main Shaft is a robust gearbox component designed to transmit reliable power through the transmission system of agricultural machinery. Engineered for precision and strength, it ensures smooth gear operation and optimal torque transfer under demanding working conditions. With a total length of 490mm, this gearbox main shaft delivers high torsional durability and long lasting performance. It is manufactured to exacting tolerances to match OEM specifications, ensuring a perfect fit and seamless integration with compatible tractor models. Built by Sparex, a globally trusted agricultural parts manufacturer, this main shaft meets or exceeds OEM standards for performance and quality. It replaces part numbers Ford New Holland C5NN7017A, 81804582, and 81804582GV guaranteeing OEM level reliability and durability in all operating environments. Ideal for professional farmers, service engineers, and mechanics maintaining Ford and New Holland models such as 5000, 5600, 6600, and 7600 tractors, this replacement main shaft restores smooth transmission performance and extends the service life of your machinery. Key Features Precision engineered 490mm main shaft for gearbox applications Compatible with Ford and New Holland 50007700 series tractors Manufactured to OEM specifications for perfect fit and function Hardened for superior torque strength and wear resistance Replaces OEM part numbers C5NN7017A and 81804582 Built for long lasting performance in heavy duty operations Perfect for: Transmission rebuilds, tractor maintenance, and drivetrain repair professionals. Explore More: Timing Gears & Components Pumps motors Couplings & Shafts Tractor Couplings & Shafts