Description:Sprockets transfer the engine power to the link assemblies and engage the link assembly to create motion.Attributes:• Material: Steel• Hardened• Sprocket Teeth: 20• Internal Spline: 43 teeth• Hub Width: 83 mm (3.3 in)• External Pitch Diameter: 284.1 mm (11.2 in)• Internal Pitch Diameter: 68.3 mm (2.7 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.