The McCormick 4202063M1 Crown Wheel and Pinion Set is a genuine replacement transmission component designed for a wide range of McCormick, Landini, and Massey Ferguson tractors. This essential drivetrain part ensures proper power transfer and differential function. It is cross-referenced with Massey Ferguson part numbers 3596766M1, 3596766M2, 3596766M3, and 3596766M4, and Landini 4202063M1. Weighing approximately 28.00 kg, this robust set is crucial for maintaining optimal performance and reliability in agricultural machinery.