The McCormick 3680187M1 PTO Shaft is a genuine original equipment manufacturer (OEM) part designed for various McCormick tractor models. This power take-off shaft ensures reliable power transmission for agricultural implements. Key specifications include a length of 420 mm, a diameter of 35 mm, and 6 splines. It is compatible with McCormick CX, MC, MTX, XTX, X7000, X60, X50M, X4, X5, X6, and X7 series tractors, providing precise fitment and optimal performance.