Description: Sprocket transfers engine power to the link assemblies and engage the link assembly to create motion.Attributes:• Material: Steel• Hardened• Sprocket Teeth: 40• Internal Spline Number of Teeth: 23• Hub Width: 56.050 mm (2.206 in)• Internal Pitch Diameter: 48.684 mm (1.9166 in)• External Pitch Diameter: 323.74 mm (12.745 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.