The McCormick 4212997M1 is a genuine PTO shaft designed for various agricultural machinery. This robust shaft measures 440 mm in length, features 21 splines, and has a diameter of 35 mm. It is a direct OEM replacement for McCormick CX and MC series tractors, as well as compatible with Case IH JX and CX series, Landini Landpower, Legend, Mythos, Powerfarm, Powermondial, and Vision series, Massey Ferguson MF 300 series, and Valtra A series tractors, ensuring reliable power transfer.