For R375, R380, and R390 excavators operating in mining, quarrying, and heavy construction environments, a reliable swing gearbox is essential for maintaining smooth upper structure rotation, powerful torque output, and stable machine productivity. Large excavators require a durable planetary reduction system capable of handling continuous swing operations, high hydraulic loads, and harsh working conditions. RITO 31NA-10150 R375 R380 R390 Excavator Swing Gearbox Hydraulic Swing Drive Planetary Reduction Unit Assembly provides efficient hydraulic power transmission, stable torque conversion, and dependable slewing performance for Hyundai excavator applications. The 31NA-10150 swing reduction gearbox is commonly associated with Hyundai R375-7, R380-9, R385-9, and related heavy excavator swing drive systems.
View More
