August 16, 2010
Doosan launched its new Tier 3-compliant DL420 articulated wheel loader. The 49,163-pound machine is powered by a 659-cubic inch, 6-cylinder turbocharged Cummins QSM11 electronically controlled engine. The Z-bar lifting system provides a standard bucket breakout force of 47,210 pounds for higher stripping force and good productivity. The machine offers four forward speeds ranging from 4 to 23.6 miles per hour, and three reverse speeds ranging from 4 to 11.4 miles per hour. Other features include a 5.2-cubic yard bucket; a static tipping load of 39,432 pounds at maximum reach with a straight frame; a height at bucket pivot point of 14 feet, 3 inches; a dump height of 10 feet, 2 inches; a dump reach of 4 feet, 2 inches; and a turning radius at bucket edge of 22 feet, 11 inches at the maximum steering angle of 40 degrees. The machine also features a vehicle control unit that optimizes loader performance by controlling engine, transmission, and hydraulic system variables.