Komatsu D575A – is the largest bulldozer in the world. The weight of this powerful giant is 142.5 tons. The most actively used this giant American (mainly in West Virginia) and the Australian coal mining companies. In North America, it is not called a bulldozer, and superdozer (Superdozer). Height of the largest bulldozer in the world is 4.87 meters, width – more than seven meters in length – 12.7 meters. Engine power of this great machine is 1150 horsepower. Four-stroke engine has a 12th-cylinder water-cooled, direct injection and turbocharging. It seems for such a heavy machine power of the engine may not be enough, but it is not. All power, which has the largest bulldozer world is not aimed at speed, and thrust. Therefore, the engine power is sufficient. The main tool of the machine is its blade, which can be moved in the z times more rock than the standard size bulldozer. Blade capacity is 69 cubic meters. In addition if the standard sizes the machine can get stuck in front of a major obstacle, the Komatsu D575A can overcome almost any obstacle.