The McCormick 6679333A1 Hub is an authentic OEM replacement component designed for various McCormick X4 and X5 series tractors. This essential part ensures proper wheel or driveline function, maintaining the integrity and performance of your agricultural machinery. It is compatible with models including X4.35, X4.40, X4.45, X4.50, X5.20, X5.30, X5.40, and X5.50. Weighing approximately 0.8 kg, this hub is manufactured to McCormick's stringent quality standards for durability and reliable operation in demanding agricultural environments.