Description:Part # 625-7085 provides a flywheel gear plate for the for the Hydraulic Retarder on the OEM Wide Body TruckCat 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:• Flywheel gear plate• External Spline Number of Teeth: 113• Pitch Diameter: 478.367 mm (18.873 in)• Outside Diameter: 484.36 mm (19.07 in)• Inside Diameter: 51.981 mm (2.046 in)• Width: 50 mm (1.97 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.