Part Number: 418-7154 Compatible Model: E330D2 Type: Swing Drive Planetary Reducer Product Overview This swing reduction gearbox is a planetary reducer designed for the swing drive system, compatible with the E330D2 excavator. It works in conjunction with the swing motor to reduce speed and amplify torque for upper frame rotation. Built with a heavy-duty planetary gear structure, it delivers high load resistance and stable transmission performance, making it well suited for