SD7HW bulldozer is 230 horsepower track-type dozer with elevated sprocket, power shift drive, semi-rigid suspended and hydraulic controls.
SD7HW-230 horsepower, elevated sprocket bulldozer 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. Safety comfortable operation condition, electric monitoring and ROPS cabin with reliable entire quality, excellent service is your wise choosing.
SD7HW with lower ground pressure is an ideal machine used in for waste handling.
● Main specifications
Operation weight (including ripper) (Kg): 25670
Ground pressure(including ripper) (KPa): 51.96
Track gauge(mm): 2235
Min. ground clearance (mm): 484
Dozing capacity (m): 13.4
Blade width (mm): 4382
Max. digging depth (mm): 635
Overall dimensions (mm): 524543823482
Type: CUMMINS NTA855-C280S10
Rated revolution (rpm): 2100
Flywheel power (KW/HP): 169/230
Max. torque (Nm/rpm): 1097/1500
Rated fuel consumption(g/KWh): 235
Type: Swing type of sprayed beam.
The sprocket is elevated elastic suspended: 7
Number of track rollers (each side): 7
Number of carrier rollers (each side): 1
Pitch (mm): 216
Width of shoe (mm): 760
Gear 1st 2nd 3rd
Forward (Km/h) 0-3.9 0-6.5 0-10.9
Backward (Km/h) 0-4.8 0-8.2 0-13.2
Implement hydraulic system
Max. system pressure (MPa): 18.4
Pump type: Gears oil pump
System outputL/min: 194
Torque converter: Torque converter is power separating hydraulic-mechanic type
Transmission: Planetary, power shift transmission with three speeds forward and three speeds reverse, speed and direction can be quickly shifted.
Steering clutch: The steering clutch is hydraulic pressed, usually separated clutch.
Braking clutch: The braking clutch is pressed by spring, separated hydraulic, meshed type.
Final drive: The final drive is two-stage planetary reduction gear mechanism, splash lubrication.