Description: Sprocket transfers engine power to the link assemblies and engage the link assembly to create motion.Attributes:• Ductile iron casting• Hardened• Sprocket Teeth: 23• Hub Width: 72 mm (2.834 in)• Internal Spline Number of Teeth: 76• Internal Pitch Diameter: 120.65 mm (4.750 in)• External Pitch Diameter: 466.34 mm (18.359 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.