by ep | Jul 14, 2026 | Mining & Construction
The travel drive on a hydraulic excavator propels the machine across the ground on crawler tracks — from site positioning at up to 6 km/h to digging setup movements at centimetre precision. The planetary gearbox inside the travel motor assembly must deliver enough...
by ep | Jul 14, 2026 | Mining & Construction
The swing drive on a hydraulic excavator rotates the entire upper structure — boom, arm, bucket, cab, and counterweight — around the vertical slew axis above the undercarriage. A 20-tonne excavator’s upper structure weighs approximately 12 tonnes and must swing...