HYUNDAI ROBEX 290NLC-7 CRAWLER EXCAVATOR

Technical Description

The Hyundai ROBEX 290NLC-7 is a mid-size crawler excavator engineered for high performance and versatility in heavy-duty construction tasks. Powered by a turbocharged Cummins QSB5.9C engine delivering 213 hp (gross) and 197 hp (net) at 1900 rpm, it generates a maximum torque of 685 lb-ft at 1500 rpm, ensuring robust digging and lifting capabilities. The machine weighs approximately 64,150 lbs, with a fuel capacity of 126.9 gallons and hydraulic system fluid capacity of 84.6 gallons, supporting sustained operation in demanding environments. The excavator features four boom and stick configurations, offering a maximum cutting height ranging from 33.1 to 34 ft, and maximum digging depths between 21.2 and 26.6 ft depending on the boom/stick combination. Maximum reach along the ground extends up to 36.9 ft, with vertical wall digging depths reaching 23.3 ft, which facilitates extensive excavating precision. The bucket capacities vary from 1.1 to 2.5 cubic yards, tailored to diverse material handling and loading requirements. Dimensions include a ground clearance of 1.7 ft, tail swing radius of 10.5 ft, and a width outside tracks of 9.9 ft, supporting maneuverability in confined sites. The undercarriage boasts a drawbar pull of 60,200 lbs, ground pressure at 8 psi, with track shoe sizes of 23.7 inches ensuring stable traction. Travel speed maxes at 3.3 mph with 48 shoes per side and a track gauge of 7.9 ft. The hydraulic system operates at a relief valve pressure of 4690 psi with a pump flow capacity of 137.4 gpm, coupled with an 11 rpm swing speed, enhancing operational efficiency. Electrical system voltage is 24 volts, supported by a 50-amp alternator. Overall, the ROBEX 290NLC-7 combines power, reach, and precision, making it suitable for a wide range of excavation and material handling applications.