SD7N Wheeled bulldozer is 230 horsepower track-type dozer with elevated sprocket, power shift drive, semi-rigid suspended and pilot hydraulic controls. It is integrate with modular design is easy to repair & maintenance, It relieves oil with difference pressure, the hydraulic system performs protecting environment and save energy with high working efficiency, Engine Cummins NT855-C280S10, Flywheel output: 169KW/230HP, Operating weight 23800Kg, Ground pressure: 71.9Kpa, Track gauge 1980mm, Gradient: 30°/25°, Min. ground clearance: 404mm, Dozing capacity: 8.4 m³, Max. Digging depth: 498mm, Overall dimensions:5677×3500×3402mm.