Multi-Function Bulldozer SD7

Short Description:

SD7 Multi-function bulldozer is a new product for digging&embeding the optical fiber cable on the ground, designed and fabricated by HBXG performing the following functions: laying&emdedding optical cable, steel cable, electricity cable, emerging the digging, laying,embedding with one process, utmostly improving the working efficiency.


Product Detail

Product Tags

Specifications

Max. digging & embedding depth: 1600mm
Max. Diameter of the laid hose: 40mm
Laying & embedding speed: 0~10km/h (Adjusting according to the working conditions)
Max. lifting weight: ≤700kgs
Max. diameter of the coil of roller: 1800mm
Max. width of the coil of roller: 1000mm
Width of digging: 76mm
Operating weight(not including ripper)        30500  ㎏
Engine rated power                      185  kW
Ground pressure                           53.6  kPa
Ground clearance                         485  mm
Ground contact length                     2890  mm
Track center distance                      2235  mm
Overall dimensions(L×W×H) :   (with single shank ripper)        8304×4382×3485(with straight tilting blade)
Gradeability                            Latitude30 °   Transverse 25°

Engine

Model  NT855-C280S10
Manufacture  CHONGQING CUMMINS ENGINE Co., LTD.
Type  water cooled, single line, vertical, four strokes, turbocharged, 6-cylinders, diameter 140mm
Rated speed 2100 RPM
Rated power 185kW
Max. torque (N•m/rpm)  1097/1500
Rated fuel consumption(g/KW•h) ≤235
Starting mode 24V electric starting

Undercarriage system

Type The track is triangle shape.The sprocket is elevated elastic suspended. 
Number of track rollers (each side) 7
Number of carrier rollers (each side)  1
Pitch (mm)   216
Width of shoe (mm) 910

Gear

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 High pressure gears pump
System output(L/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.


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