Description:Part # 558-3409 provides a differential for the rear axle on the 120 GC Motor Grader.Part of the final drive system, the differential and bevel gear group transmits power from the drive shaft to the axle shafts through bevel gear reduction and differential. Final drives transfer power from the engine to the ground. Attributes:• Differential for heavy duty useApplication:Consult your owner's manual or contact your local Cat Dealer for more information.