SD7N Bulldozer
SD7N Bulldozer
● Description
SD7N bulldozer is 230 horsepower track-type dozer with elevated sprocket, power shift drive, semi-rigid suspended and hydraulic controls.
SD7-230 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.
It can be equipped with straight tilting blade, angle blade, coal pushing blade, U shape blade; single shank ripper, three shanks ripper; ROPS, FOPS, forest defence cabin etc.. It is can ideal machine used in communication, oil field, power, mining etc. large earth moving program.
● Main specifications
Dozer: Tilt
Operation weight (including ripper) (Kg): 23800
Ground pressure(including ripper) (KPa): 71.9
Track gauge(mm): 1980
Gradient: 30/25
Min. ground clearance (mm): 404
Dozing capacity (m): 8.4
Blade width (mm): 3500
Max. digging depth (mm): 498
Overall dimensions (mm): 567735003402
Engine
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
Undercarriage system
Type: The track is triangle shape.
The sprocket is elevated elastic suspended: 7
Number of track rollers (each side): 7
Pitch (mm): 216
Width of shoe (mm): 530
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): 18.6
Pump type: Gears oil pump
System outputL/min: 194
Driving system
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.
