The McCormick 3688510M1 is a genuine OEM gear designed for various McCormick tractor models including the C, CX, MC, MTX, T, and XTX series. This essential transmission component features 12 teeth, an outer diameter of 38 mm, an inner diameter of 25 mm, and a width of 21 mm. It ensures reliable power transfer within the drivetrain, maintaining optimal performance for your agricultural machinery. Also compatible with select Massey Ferguson and Landini tractors.