Description:Part # 546-4198 provides a wheel spindle for the final drive on the R2900 XE Load Haul Dump.Axles must endure incredible torque, high impact loads, and frequent direction and gear changes. Cat drivetrain axles are designed and manufactured to meet these types of demands. The result is a drive train that lasts longer and works harder over the life of the machine. Cat axle assemblies transmit power from the power train to the wheels, and provide excellent driving performance capabilities in demanding conditions.Attributes:• Spindle for heavy duty use• External Spline Number of Teeth: 72Application:Consult your owner's manual or contact your local Cat Dealer for more information.