Description:Part # 387-0801 provides a replacement rear wheel for the 789D Off-Highway Truck.Cat drive train components must endure incredible torque, high impact loads, and frequent direction and gear changes. Cat designs and manufactures its transmissions and final drive components with these demands in mind. The result is a drive train that lasts longer and works harder over the life of the machine.Attributes:• Rear wheel with 1-8 UNJC wheel bolts• Cast steel• Internal Spline Number of Teeth: 120• Outside Diameter: 1173 mm (46.18 in)• Overall Width: 1195.2 mm (47.05 in)• Inboard and Outboard Bearing Diameter: 590.322 mm (23.241 in)• Distance Between Bearing Shoulders: 395.22 mm (15.559 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.