Description:Shaft group for use with the clutch group on transmissions of Cat machines.Attributes:• Hardened steel shaft with clutch drums and plugs• Spur Gear Number of Teeth: 51• External Spline Number of Teeth: 40• Drum 1 Internal Spline Number of Teeth: 36• Drum 2 Internal Spline Number of Teeth: 36Application:Consult your owner's manual or contact your local Cat Dealer for more information.