770A - GRADER, MOTOR AXLE SHAFT, BEARINGS, REDUCTION GEARS 0250 Parts group AXLE SHAFT, BEARINGS, REDUCTION GEARS 0250 AXLE SHAFT, BEARINGS, REDUCTION GEARS 0250 . TANDEM DRIVE AND PLANETARY SYSTEM [01C11] WHEEL AXLE ASSEMBLY [01C12] FRONT WHEEL DRIVE HUB, MOTOR SHAFT AND BRAKE PISTON HOUSING (772A) [01C13] FRONT WHEEL DRIVE FIRST PLANET PINION, CARRIER AND COVER (772A) [01C14] FRONT WHEEL DRIVE SECOND PLANET PINION, PLANETARY HOUSING AND BRAKE PLATES (772A) [01C15]