Description:Wheel mounts on the front axle, provides support to the machine through wheels, and transmits power to the ground.Attributes:• Material: Hardened Steel• External Spline Number of Teeth: 180• Spline Pitch Diameter: 457.200 mm (18.000 in)• Outside Diameter: 1173 mm (46.181 in)• Inside Diameter: 334.5 mm (13.169 in)• Length: 398.34 mm (15.682 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.