The McCormick 3426870M2 Crown Wheel is a genuine OEM component designed for the differential assembly of various agricultural and industrial tractors. This essential gear ensures proper power transfer within the drivetrain, compatible with a range of Massey Ferguson, Landini, and McCormick models. It fits Massey Ferguson 100, 200, 300, 500, and 600 series tractors, as well as specific industrial tractor models, providing reliable performance and durability.