Description:Service component for the hydrostatic pump drive group that transmits mechanical power from the engine driveline to hydrostatic pump and control pumps.Attributes:• Length: 159.9 mm (6.295 in)• Outside Diameter: 42.6 mm (1.677 in)• External Spline Number of Teeth: 12• Thread Size: M12Application:Consult your owner's manual or contact your local Cat Dealer for more information.