Description:Cat output shaft assemblies are a key component in the planetary assemblies that power tough Cat transmissions to convert engine power into the exact combination of speed and force required by individual machines.Attributes:• Hardened steel shaft with sleeve bearings• End 1 External Spline Number of Teeth: 79• End 2 External Spline Number of Teeth: 57• Bearing Inside Diameter: 60.362 mm (2.376 in) 2 placesApplication:Cat output shaft assemblies are used in the planetary assemblies of Cat transmissions. Consult your owner’s manual or contact your local Cat Dealer for more information.