Description: Sprocket transfers engine power to the link assemblies and engage the link assembly to create motion.Attributes:• Material: Steel• Hardened• Sprocket Teeth: 27• Internal Spline Number of Teeth: 25• Hub Width: 75.11 mm (2.957 in)• External Pitch Diameter: 273.48 mm (10.767 in)• Internal Pitch Diameter: 52.916 mm (2.083 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.