Description:Replacement impeller for torque convertor group.Attributes:• Material: Cast Aluminum• Number of Blades: 29• Outside Diameter: 415 mm (16.338 in)• Inside Diameter: 160.12 mm (6.303 in)• Height: 135.9 mm (5.350 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.