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Features:

SD7 bulldozer is 230HP track-type dozer with elevated sprocket, power shift drive, semi-rigid suspended and hydraulic control.
Elevated spocket bulldozer integrate with modular design is easy to repaire and maintenance, it relieves oil with difference pressure, the hydraulic system performs protecting environment and save energy with high working efficiency.
Safety and comfortable operation condition, electric monitoring and ROPS cabin with reliable entire quality, excellent service.
Straight tilting blade, angle blade, coal pushing blade, U shape blade, single shanks ripper, three shanks ripper, ROP/FOPS, forest defense cabin, etc. are optional.
An ideal machine used in communication, desert, oil field, power, mining etc large earth moving program.

Specification:

Overall Dimension: 5,677 × 3,500 × 3,402MM
Operation Weight: 23,800KG

Ground Pressure: 71.9KPa
Track Gauge: 1,980MM
Min. Ground Clearance: 404MM
Gradient: longitudinal 30°/ transverse 25°
Dozing Capacity: 8.4Cbm
Blade Width: 3,500MMMax Digging Depth: 498MM

Engine: Cummins NT855-C280
Rated speed: 2,100RPM

Flywheel Power: 169KW
Max Torque: 1,097/1,500N.M/RPM
Rated fuel consumption: 235G/KW.H

Driving System
Torque Converter: Power seperating hydraulic mechanic type.
Transmission: Planetary, power shift transmission with three speed forward and three speeds reverse. Speed and direction can be quickly shifted.
Steering Clutch: Hydraulic pressed, non-constant engaged clutch.
Steering Brake: Hydraulic pressed by spring, seperated hydraulic , constant meshed type.
Final Drive: Two stage planetary reduction gear mechanism, splash lubrication.

Undercarriage System
Type: Triangle shape tyack, elevated.
Number of track rollers(each side): 7
Number of carrier rollers(each side): 2
Pitch:216MM
Width Of Shoe: 560MM
Forward Speed
First Speed: 3.9KM/H
Second Speed: 6.5KM/H
Third Speed: 10.9KM/H
Backward Speed
First Speed: 4.8KM/H
Second Speed: 8.2KM/H
Third Speed: 13.2KM/H
Implement hydraulic system
Max. System Pressure: 18.6MPa
Pump type: High pressure gears pump
System Output: 194L/Min