Doosan DX420LC-3 excavator has an operating weight of 92,374 pounds, a maximum digging depth of 25 feet 5 inches, dump height of 25 feet 4 inches, and maximum digging reach of 37 feet. It is powered by a 362-horsepower engine. Swing torque increased by 14 percent, lifting capacity increased by 4 percent, and bucket digging force increased by 3 percent. Cooling system upgrades include two variable-speed hydraulic fans. The excavator has a 48-hour parts guarantee.