PC300-7 PC360-7 Komatsu Gearbox Final Drive Swing Motor Gear Reducer Box

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July 18, 2026
Video Description:
In this dynamic demo, we walk you through the Komatsu PC300-7 and PC360-7 swing motor reduction gearbox—explaining its core structure, working principle, and common faults. See how this final drive assembly enables smooth 360-degree rotation, learn to identify issues like abnormal noise or slow slewing, and get insights on maintenance and performance optimization for reliable excavator operation.