Description:Ring part # 490-0029 for the front and rear axle clutch used to connect and disconnect the transmission from the drive shaft providing for gear change.Attributes:• Cast iron ring• Inside Diameter: 87 mm (3.43 in)• Pilot Diameter: 104.95 mm (4.13 in)• Width: 43.5 mm (1.71 in)• Flange Diameter: 126 mm (4.96 in)• Hole Size: 9 mm (0.35 in) (3X)Application:Consult your owner’s manual or contact your local Cat Dealer for more information.