Description:Carrier part # 550-1604 provides a planetary carrier for the final drive on the R2900 XE Load Haul Dump.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:• Cast iron carrier• Pin Bore Diameter: 89.253 mm (3.513 in) (4X)• Outside Diameter: 632 mm (24.88 in)• Inside Diameter: 175 mm (6.89 in)• Length: 189 mm (7.43 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.