The McCormick 3682835M3 is a genuine Power Take-Off (PTO) shaft designed for a wide range of McCormick X-series agricultural tractors. This essential component ensures efficient and reliable power transmission from the tractor's engine to implements. With a confirmed length of 445 mm, a diameter of 35 mm, and 21 splines, it is engineered to meet OEM specifications for durability and performance in demanding farm operations. This PTO shaft is compatible with numerous McCormick X4, X5, X6, X7, X8, X50, X60, and X70 series tractor models.