HYUNDAI ROBEX 250NLC-7 CRAWLER EXCAVATORS

Technical Description

The Hyundai ROBEX 250NLC-7 is a heavy-duty excavator designed for versatile construction and earthmoving operations. It features a turbocharged Cummins B5.9-C engine with a displacement of 359 cubic inches, delivering a gross power of 173 hp (129 kW) and a max torque of 522 lb-ft at 1500 rpm, ensuring strong and efficient performance. The net power output is 163 hp (122 kW) at 2000 rpm. Its hydraulic system boasts a pump flow capacity of 118.4 gpm and operates under a relief valve pressure of 4690 psi, supported by a hydraulic fluid capacity of 79.3 gallons, providing robust hydraulic power to the boom, stick, and bucket. The excavator’s boom and stick offer a maximum cutting height of 31.1 ft, max digging depth of 19.9 ft, and a max reach of 30.8 ft along the ground, suitable for deep and wide excavation tasks. It also achieves a max vertical wall digging depth of 18 ft and a max loading height of 20.9 ft. The bucket capacity varies between 1.1 and 2 cubic yards, with a reference capacity of 1.5 cubic yards for material handling flexibility. Dimensionally, the machine has a shipping height of 11.6 ft and a length of 33 ft, with a ground clearance of 1.6 ft and a track gauge of 7.9 ft. It weighs 55,300 lbs and features an undercarriage with a drawbar pull of 48,559 lbs, ground pressure of 7.3 psi, and a max travel speed of 2.2 mph. The system includes a 50 amp alternator, 24-volt operating voltage, and capacities such as 89.9 gallons for fuel and 6.4 gallons for engine oil. With a swing speed of 12.6 rpm and a tail swing radius of 9.8 ft, the ROBEX 250NLC-7 combines power, reach, and maneuverability for demanding excavation work.