This genuine McCormick 3657654M1 gear is a critical component for the transmission system in various Massey Ferguson tractor models. Featuring 30 precision-machined teeth, an outer diameter of 160mm, an inner diameter of 60mm, and a thickness of 25mm, this durable gear ensures reliable power transfer and smooth operation. It is compatible with a wide range of MF 3000, 3100, 3600, 390, 4200, 4300, 5400, 6100, 6200, 6400, 7400, 8100, and 8200 series tractors.