This genuine McCormick 3684927M93 transmission shaft is an essential component for various agricultural tractors, including Massey Ferguson 5400, 6400, 7400, 8400 series, Landini 5H, 6H, 7H series, and McCormick X6, X7 series. Designed for durability and precise fit, it ensures reliable power transfer within the transmission system. Featuring a length of 1160 mm, a diameter of 45 mm, and 12 splines, it is a direct replacement for older part numbers 3684927M92 and 3684927M91.