Description:Worm gear part # 6G-6241 for use in the circle drive. Worm gears are paired with a threaded worm screw which engages the teeth of the worm gear.All Cat gears have unique metallurgy compositions tailored to specific applications, with special steel formulas that improve impact resistance and ensure uniformity and proper load transfer. Some Cat gears also undergo proprietary heat treat processes to improve surface, bore, and core hardness. The result is greater durability, which means longer life and better performance.Attributes:• Aluminum helical worm gear• Worm Gear Number of Teeth: 47• Helix Hand: Right• Pitch Diameter: 298.447 mm (11.75 in)• Internal Spline Number of Teeth: 44• Inside Diameter: 128.5 mm (5.06 in)• Outside Diameter: 317.42 mm (12.50 in)• Width: 123.8 mm (4.87 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.