Hyundai R480-9 R520-9 390B-12100 Swing Reduction Gearbox For Crawler Excavator Parts
Apr 25, 2025
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# R520-9 crawler excavator parts
# R480-9 swing reduction gearbox
# R520-9 swing reduction gearbox
Hyundai R480-9 R520-9 390B-12100 swing reduction gearbox for crawler excavator parts 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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