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SD6G Bulldozer


Features

SD6G bulldozer is 160 horsepower track-type dozer with hydraulic direct drive, semi-rigid suspended and hydraulic controls. It is equipped with Shangchai C6121 diesel engine manufactured under Caterpillar license. The engine has the characteristics of big torque reserve coefficient and capacity against over-load. The torque converter is a hydro-mechanical converter whose power is divided outside, which has the characteristics of wide high efficiency range. Steering and braking can be controlled with the same control lever. Braking system utilizes hydraulic boosting structure, which is convenient and labor-saving. The final drive gear has the characteristics of large displacement coefficient value. This kind of design raises bearing capacity and prolongs the useful time. The final drive also utilizes the structure that its bearing clearance is free of adjustment, which is convenient for service. The equalizer bar utilizes free lubricating structure to decrease service cost.


Technical Parameters


Dozer                                             

Tilt

Operation weight               

16500

 Ground pressure(KPa) 

55.23

 Track gauge(mm)                                     

1880

Gradient                                           

30°/25°

Min. ground clearance (mm)                           

445

Gradient                                              

30°/25°

Dozing capacity (m³)                                      

4.5

Blade width (mm)                                     

3297

Max. digging depth (mm)                           

592

Overall dimensions (mm)            

5037×3297×3077

Engine

 Type                                 

C6121ZG55

 Rated revolution (rpm)                                  

1900

 Flywheel power (KW/HP)                              

119/62

 Max. torque (N•m/rpm)                              

770/1400

Rated fuel consumption(g/KW•h)                        

≤235

Undercarriage system

 

Type                         

Swing type of sprayed beam.Suspended structure of equalizer bar

Number of track rollers (each side)                                    

7

Number of carrier rollers (each side)                                 

2

Pitch (mm)                                                       

203

Width of shoe (mm) 

560

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) 

15.5

Pump type  

High pressure gears pump

System outputL/min

178

Driving system

Torque converter

Outside separating combination

Transmission

Planetary, power shift transmission with three speeds,Forward and three speeds reverse, speed and direction,can be quickly shifted.

Braking clutch  

Brake is oil two direction floating band brake operated by mechanical foot pedal. 

Final Drive

he final drive are double reduction with spur gear and  segment sprocket.