The 3664483M91 is a genuine OEM Power Take-Off (PTO) shaft designed for a wide range of McCormick and Massey Ferguson agricultural and industrial tractors. This critical driveline component ensures reliable power transmission from the tractor's engine to implements, supporting efficient operation. Manufactured to original equipment specifications, it guarantees optimal fit, durability, and performance for compatible models, including numerous Massey Ferguson 100, 200, 300, 500, 600, 1000, 2000, 3000, 4000, 5000, 6000, and 8000 series tractors, as well as specific industrial models.