HYUNDAI ROBEX 450-7A CRAWLER EXCAVATORS

Technical Description

The Hyundai Robex 450-7A is a high-performance crawler excavator engineered for demanding construction and excavation tasks. This model features a robust QSM11 turbocharged engine with a displacement of 659 cubic inches, delivering a gross power of 357 hp (266 kW) and a net power of 320 hp (239 kW) at 1900 rpm, with maximum torque of 1234 lb-ft at 1400 rpm. The hydraulic system provides a pump flow capacity of 190.3 gpm and a relief valve pressure of 5120 psi, ensuring efficient and precise operation. The excavator offers multiple boom and stick configurations, with maximum cutting heights ranging from 33.5 ft to 37.8 ft, digging depths from 20.8 ft to 29.3 ft, and maximum reach along the ground from 34.1 ft to 42.6 ft. The bucket capacity ranges from 1.9 to 4.2 cubic yards, with a reference capacity of 2.9 cubic yards. The operating weight is 96,562.5 lbs, and the machine has a ground pressure of 11.8 psi, with a track gauge of 9 ft and a shoe size of 23.7 in. The swing speed is 9 rpm, and the maximum travel speed is 3.2 mph (5 kph). The undercarriage includes 7 track rollers and 2 carrier rollers per side, with 49 shoes per side. The excavator is equipped with a 24-volt electrical system, a 50-amp alternator, and a fuel capacity of 161.2 gallons. The hydraulic system fluid capacity is 100.4 gallons, and the cooling system holds 13.3 gallons. The machine’s dimensions include a height to the top of the cab of 10.7 ft, a width to the outside of tracks of 11 ft, and a length of track on the ground of 13.3 ft. The tail swing radius is 12.3 ft, and the removal counterweight clearance is 4.4 ft. The Hyundai Robex 450-7A is designed for durability, efficiency, and operator comfort, making it a top choice for heavy-duty excavation projects.