Our factory directly sells excavator accessories such as the CAT E120 E120B Final Drive Gearbox, Planetary Gear, Swing Ring Gear, and Planetary Carrier Assembly. These products are customizable to fit your specific excavator needs and are made from high-quality materials to ensure durability and longevity. As a factory, we take pride in providing our customers with top-quality products at competitive prices. Trust us to supply you with the best excavator accessories that will enhance the performance of your CAT E120 E120B excavator.