Description:Piston for use in the high speed hydrostatic transfer drive.Attributes:• Outside Diameter: 29.8 mm (1.173 in)• Inside Diameter: 10 mm (0.393 in)• Length: 11 mm (0.433 in)• Material: Steel• With piston seal grooveApplication:Consult your owner's manual or contact your local Cat Dealer for more information.