Description:Input shaft transfers power from torque converter to the transmission system of Cat heavy duty equipment.Attributes:• Hardened steel shaft• End 1 External Spline Number of Teeth: 33• Center 1 External Spline Number of Teeth: 40• Center 2 External Spline Number of Teeth: 45• End 2 External Spline Number of Teeth: 35• Thread Size: 1/2-13Application:Consult your owner's manual or contact your local Cat Dealer for more information.