DOOSAN DX420LC CRAWLER EXCAVATOR

Technical Description

The Doosan DX420LC is a high-performance crawler excavator engineered for demanding construction and excavation tasks. Designed for versatility, it offers multiple boom and stick configurations, providing maximum cutting heights from 34.7 ft to 37.3 ft, digging depths up to 27.7 ft, and loading heights up to 27 ft. The excavator’s reach extends up to 39.4 ft along the ground, with vertical wall digging depths reaching 16.9 ft. Shipping dimensions are optimized for transport, with lengths up to 38.7 ft and heights from 11.5 ft to 12.1 ft depending on configuration. The bucket capacity ranges from 1.9 to 2.9 cu yd, with a reference capacity of 2.5 cu yd. The DX420LC is powered by a DV11 diesel engine with 669 cu in displacement, delivering 293 hp (218 kW) at 1800 rpm and 1012.7 lb-ft of torque at 1300 rpm. Hydraulic system performance is robust, with a pump flow capacity of 166.5 gpm and a relief valve pressure of 4554.2 psi. The machine features a 24-volt electrical system, a 145.3-gallon fuel tank, and a total operating weight of 90,170 lbs. Swing speed reaches 9.2 rpm, and travel speed is 3.3 mph. Ground pressure is 10.5 psi, with a ground clearance of 1.8 ft and a width to the outside of tracks of 11 ft. The undercarriage includes 50 shoes per side, 9 track rollers, and 2 carrier rollers, with a 23.7-inch shoe size. This excavator combines power, reach, and durability for efficient operation in a wide range of applications.