Description:Axle for use with chain drive group that supports and drive mechanism for the chain on Cat compactor product line.Attributes:• Material: Steel• End 1 & 2 External Spline Number of Teeth: 50• Center External Spline Number of Teeth: 52• Length: 484 mm (19.055 in)• Thread Size: M56Application:Consult your owner's manual or contact your local Cat Dealer for more information.