569-4221: Ring Gear

Ring gears, such as part 569-4221, are commonly used in the final drive planetary gear set. 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: • Hardened steel ring gear • Internal Spur Gear Number of Teeth: 70 • Inside Diameter: 342 mm (13.46 in) • Outside Diameter: 403 mm (15.87 in) • Width: 118 mm (4.65 in) Application: Consult your owner's manual or contact your local Cat Dealer for more information.