발굴기 r480-9 390b-12100 현대 수압 감축용 스윙 드라이브 기어박스
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Discover the Excavator R480-9 390B-12100 Swing Drive Gearbox, designed for Hyundai hydraulic reduction. This high-performance gearbox ensures stable transmission efficiency under high-load conditions, featuring precision-engineered gears and durable components. Perfect for excavator maintenance and upgrades.
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