670D - GRADER, MOTOR 0250 Axle Shaft, Bearings, Reduction Gears Parts group 0250 Axle Shaft, Bearings, Reduction Gears 0250 Axle Shaft, Bearings, Reduction Gears . HFWD First Stage Pinion, Carrier and Housing (Right Side Illustrated) HFWD Hub, Brake Piston Housing and Second Stage Pinion Axle and Drive Chain Tandem Drive and Planetary