Description:Carrier part # 290-29671530 provides a planetary carrier for the TH55 Petroleum Transmission.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• External Spline Number of Teeth: 87• Outside Diameter: 486 mm (19.13 in)• Inside Diameter: 146 mm (5.75 in)• Wid: 160 mm (6.30 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.