Introduction: 1.Fitted with Cummins NT855-C280-III turbocharged diesel engine powerful and remarkable perfectly. 2.Running gears with longer track ground length possessing better stability. 3.Novel air conditioned hexahedron cab having wide horizon,damping seal driving comfort and good look. 4.Integrator with the electronic monitoring system with has audio and optical alarming functions,being highly sensitive and direct monitoring. 5.Driver's seat,angle and height of which can be automatically adjusted,and ergonomically designed operation system creating more convenient and relaxed operation condition. 6.Independent overturn protection device having improved the operation safety. 7.Optional straight blade,U blade,angle blade,single-tooth and three-teeth ripper being adapted to wide operation scope. 8.transmission parts and wearing parts manufactured with military technique and equipment possessing high strength. Toughness and anti-wearing ability.Max. towing force: 221kN Ground length: 2840mm Ground pressure: 0.076MPa Min. ground clearance: 405mm Min. turning radius: 3.3m Track centers: 2000mm Shovel capacity (straight blade): 7.8m3 Max. raising height of blade: 1210mm Max. cutting depth of blade: 540mm Productivity(At distance of 30m): 505m3/h Max. gradient: 30 degree