Introducing our Hot Sale EW Series Swing Transmission Gear Final Drive Assy Hydraulic Excavator Construction Machinery Parts New! At our factory, we manufacture top quality construction machinery parts, including the EW130, EW140, EW150, EW160, EW170, EW180, EW200, EW210, EW220, and EW230 hydraulic excavator models. Our swing transmission gear and final drive assemblies are made to withstand extreme working conditions and are built to last. These essential components ensure smooth, efficient operation of your excavator and are designed for easy maintenance. Trust our factory to provide you with reliable and durable construction machinery parts for all your needs.