Hitachi Excavator ZX75US-A ZX75US-3 ZX70 ZX80LCK Swing Reduction Gearbox 470057 4469027

swing gearbox
Jun 09, 2025
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Hitachi excavator ZX75US-A ZX75US-3 ZX70 ZX80LCK swing reduction gearbox 470057 4469027 The excavator slewing gearbox is one of the most critical core components of an excavator, primarily responsible for enabling the rotation of the upper structure. Driven by a hydraulic motor, the slewing gearbox transmits power to the slewing bearing, allowing the excavator to rotate flexibly during operation and perform various complex tasks such as digging, loading, and unloading. The
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