Description:Part # 8X-7677 provides a differential that transmits power and provides positive traction of one wheel through use of no-spin differential.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 use• Internal Spline Number of Teeth: 49Application:Consult your owner's manual or contact your local Cat Dealer for more information.