The JCB 458M4234 is a genuine OEM planetary hub designed for various JCB machinery. This critical drivetrain component ensures efficient power transmission within the axle assembly. It is a direct replacement for the superseded part number 45416401. Confirmed fitment includes JCB 3CX, 4CX, 5CX backhoe loaders and 530, 535, 540 telehandlers, providing reliable performance and durability for demanding agricultural and construction applications.