Description:Torque converters transmit and multiply engine torque hydraulically and mechanically to the transmission.Attributes:• Torque converter center shaft with plug• End 1 External Spline Number of Teeth: 29• End 2 External Spline Number of Teeth: 33• Overall Length: 523.5 mm (20.610 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.