HYUNDAI ROBEX 450LC-7 CRAWLER EXCAVATOR

Technical Description

The Hyundai ROBEX 450LC-7 is a mid-sized hydraulic crawler excavator powered by a Cummins QSM11-C turbocharged diesel engine delivering 320 net horsepower and 1,320 pound-feet of torque at 1,300 rpm. This robust machine operates on a 24-volt electrical system with a 161.2-gallon fuel capacity and comprehensive hydraulic architecture featuring a 200.8 gpm pump and 4,690 psi relief valve pressure. The excavator weighs approximately 44,900 to 46,800 kilograms with dimensions measuring 40.2 feet in length, 11 feet in width, and 10.7 feet in height, offering a ground clearance of 1.9 feet. Six boom-and-stick configuration options provide varying operational capabilities, ranging from a maximum digging depth of 20.8 to 29.3 feet and horizontal reach extending to 42.6 feet in the longest configuration. The undercarriage incorporates 53 shoes per side with a 9-foot track gauge, delivering an 82,000-pound drawbar pull and low ground pressure of 11.1 psi, enabling operation on soft terrain. Bucket capacity ranges from 1.9 to 4.2 cubic yards, with a reference capacity of 2.9 cubic yards. The cabin features ISO standard design with all-weather steel construction, comprehensive visibility, air conditioning, and radio controls. Advanced hydraulic systems include Computer Aided Power Optimization (CAPO) technology with multiple power and work modes, automatic engine overheat prevention, and anti-restart protection. Travel speed reaches 3.3 mph with a swing speed of 10.3 rpm, making this excavator suitable for diverse earthmoving, demolition, and material handling applications.