HYUNDAI ROBEX 290NLC-7A CRAWLER EXCAVATOR

Technical Description

The Hyundai ROBEX 290NLC-7A is a mid-size hydraulic excavator designed for robust performance and versatility in heavy construction tasks. It features a turbocharged Cummins QSB6.7 engine with a displacement of 409 cubic inches, delivering a gross power of 227 hp (169 kW) and a net power of 197 hp (147 kW) at 1900 rpm, along with a maximum torque of 700 lb-ft at 1400 rpm. The machine operates with a hydraulic pump flow capacity of 133.2 gpm and a hydraulic system relief valve pressure of 5120 psi, supporting a range of digging and lifting operations. Its hydraulic system fluid capacity is 84.6 gallons, ensuring efficient and sustained hydraulics. The excavator has multiple boom and stick options, enabling a maximum digging depth up to 26.6 feet and a maximum reach along the ground of 36.9 feet, depending on the configuration. The maximum cutting height ranges from approximately 33.1 to 34 feet, while the vertical wall digging depth reaches up to 23.3 feet. Dimensionally, the unit's shipping height is between 11.4 and 11.8 feet, with a shipping length around 34.7 to 35.2 feet and a width to outside of tracks of 9.9 feet. It has an operating weight of 64,150 lbs and a ground clearance of 1.7 feet. The track system includes 48 shoes per side with a shoe size of 23.7 inches and a track gauge of 7.9 feet. The bucket capacities range from 1.1 to 2.5 cubic yards, with a reference bucket volume of 1.7 cubic yards, optimized for various material handling. Travel speed is up to 3.3 mph, with a drawbar pull force of approximately 61,373 lbs and ground pressure at 7.9 psi. The swing mechanism operates at a speed of 10.2 rpm, providing effective maneuverability within tight job sites. Electrical and auxiliary systems run at 24 volts, supported by a 50-amp alternator.