SD7 bulldozer is 220 horsepower track-type dozer with elevated sprocket, hydraulic direct drive, semi-rigid suspended and hydraulic controls. It can be equipped with straight tilting blade, angle blade, coal pushing blade, single shank ripper, and three shanks ripper. The cab is Rops with air conditioner.
SD7-220 horsepower, elevated sprocket bulldozer integrate modern science into it, its new structure, good performance, high working efficiency, safety and comfortable operation condition, reliable entire quality, excellent service is your wise choosing.

Main specifications
Operating weight(not including ripper) 23800�V
Ripper weight 3900�V
Engine flywheel power 162kw
Ground pressure(without ripper) 71.9kPa
Ground clearance 404mm
Ground contact length 2890mm
Track center distance 1980�@�@mm
Overall dimensions(L��W��H) (with single shank ripper) 7604��3823��3402(with straight tilting blade)
Grade ability Latitude30 �X Transverse 25�X
Theory travel speed (km/h)
1st gear forward 0-3.9 1st gear backward 0-4.8
2nd gear forward 0-6.5 2nd gear backward 0-8.2
3rd gear forward 0-10.9 3rd gear backward 0-13.2
Dozing operation rate(moving distance 40m) 350m3/h
Diesel Engine
Model NT855-C280 (Cummins) or C6121ZLG10 (Licensed CAT 3306 diesel engine)
Type water cooled, single line, vertical, four strokes, turbocharged, 6-cylinders, diameter 140mm or 121mm.
Rated speed 2100 RPM
Flywheel power 169 kW
Start mode 24V electric starting