Description:Shaft assembly for transmission clutch on Cat machines.Attributes:• Hardened steel shaft with clutch drums and plugs• Spur Gear Number of Teeth: 80• External Spline Number of Teeth: 48• Drum 1 Internal Spline Number of Teeth: 54• Drum 2 Internal Spline Number of Teeth: 36Application:Consult your owner's manual or contact your local Cat Dealer for more information.