HYUNDAI ROBEX 320LC-7 HIGH CHASSIS CRAWLER EXCAVATOR

Technical Description

The Hyundai ROBEX 320LC-7 High Chassis is a mid-sized hydraulic crawler excavator powered by a Cummins C8.3-C turbocharged diesel engine delivering 259 gross horsepower and 232 net horsepower at 1750 rpm, with maximum torque of 899 lb-ft at 1300 rpm. The machine weighs 76,500 pounds and features multiple boom and stick configurations to accommodate varying operational requirements. Option configurations provide maximum digging depths ranging from 19.3 to 26.1 feet, cutting heights from 33.6 to 36.1 feet, and horizontal reach from 32 to 38.5 feet, with bucket capacities between 1.2 and 2.8 cubic yards. The undercarriage incorporates a fully hydrostatic drive system with an axial piston motor, delivering a maximum drawbar pull of 62,830 pounds and travel speeds up to 3.4 mph in high gear. Ground pressure measures 9.6 psi, enabling operation on soft or sensitive terrain. The swing mechanism operates at 9.1 rpm with automatic swing brake functionality. The advanced hydraulic system maintains 84.6 gallons of fluid capacity with a 4690 psi relief valve and 137.4 gpm pump flow capacity. The all-weather cab includes comprehensive visibility, adjustable controls, and a computer-aided power optimization system with multiple work modes. Standard equipment encompasses safety features, modern instrumentation, and optional FOPS/FOG cabin protection. The machine dimensions yield an 11-foot tail swing radius and 11.4-foot track width, while shipping dimensions are approximately 36 feet in length and 12.3 feet in height, making it suitable for diverse construction, demolition, and material handling applications.