Part # 482-4506 provides a spider for the Electric Drive Power Generator.Attributes:• Hardened steel spider• Internal Spline Number of Teeth: 24• External Spline Number of Teeth: 64• Hub Width: 44.75 mm (1.76 in)• Outside Diameter: 209.55 mm (8.25 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.