HYUNDAI ROBEX 320NLC-7 CRAWLER EXCAVATOR

Technical Description

The Hyundai ROBEX 320NLC-7 is a mid-size crawler excavator engineered for demanding excavation tasks, combining robust performance with advanced hydraulic technology. Powered by a Cummins C8.3-C turbocharged diesel engine, it delivers 259 hp (193 kW) gross power and 232 hp (173 kW) net power at 1750 rpm, with peak torque of 899 lb-ft at 1300 rpm. The excavator features a maximum operating weight of 70,548 lbs and offers multiple boom/stick configurations, providing a maximum digging depth of up to 27 ft, a maximum reach along the ground of 38.6 ft, and a maximum cutting height of 35.2 ft. The bucket capacity ranges from 1.2 to 2.8 cu yd, with a reference capacity of 1.9 cu yd. The hydraulic system delivers a flow capacity of 137.4 gpm and a relief valve pressure of 4690 psi, ensuring precise control and efficient operation. The undercarriage is designed for stability and traction, with a track gauge of 7.9 ft, 48 shoes per side, and a ground pressure of 8.7 psi. The machine has a top travel speed of 3.4 mph and a drawbar pull of 62,830 lbs. The cab offers excellent visibility and operator comfort, with a height of 10.2 ft and a tail swing radius of 11 ft. The hydraulic system fluid capacity is 84.6 gal, engine oil capacity is 6.8 gal, and fuel capacity is 126.9 gal. The excavator is equipped with a 24-volt electrical system and a 50-amp alternator, supporting reliable operation in various conditions.