Shantui series bulldozers include 12 horsepower grades, i.e. 520, 420, 320, 240, 230, 220, 200, 160, 130, 110, 100 and 80, and include variant products, such as standard type, wet-land type, super wet-land type, desert type, plateau type, coal bulldozing type, forest lumbering type and environmental sanitation type. Bulldozers of various models can be configured with any of the following ancillary devices, such as direct dumping blade, angle blade, U-shaped blade, environmental sanitation blade, air conditioning cab, anti-rolling cab, simple cab, tripe-teeth ripper, single-tooth ripper, winch and carry scraper. The bulldozers are mainly used to working conditions including airport, road, mine, dam, railway, etc.