The McCormick 3688583M1 is a genuine OEM gear, also known as a pinion, featuring 24 teeth. This essential component measures 125mm in diameter, 25mm in width, and has an inner diameter of 45mm. It is designed for a wide range of McCormick C, CX, MC, MTX, X60, X7, X70, XTX series, Massey Ferguson 3000, 3100, 3600, 4200, 4300, 5400, 6100, 6200, 6400, 7400, 8100, 8200 series, Valtra N, T series, Fendt 700, 800, 900 series, and Challenger MT series tractors, ensuring precise fit and reliable performance in the transmission or driveline system.