This genuine McCormick 1676665M1 axle shaft is a critical component for the rear axle assembly of various Massey Ferguson tractor models. Measuring 800mm in length and weighing 15kg, this robust axle shaft ensures reliable power transfer and structural integrity. It is compatible with a wide range of MF 100, 200, 300, 500, 600, 1000, 2000, 3000, and 3600 series tractors, including models like the MF 135, 240, 590, 1085, 3060, and 3650. Replaces multiple OEM part numbers including 1676665M1 and 1668700M1.