Crawler bulldozer
1.Range 80HP to 320hp
2.Engine:weichai or Cummins
3.Grade ability 58%
Crawler bulldozer
Engine | |
Model | Cummins NT855-C280III engine |
Type | Water cooled,straight line,4 stroke,dry cylinder liner ,direct injection |
Number of cylinders-bore×strock | 6-139.7mm*152.4mm |
Piston displacement | 14.01L |
Rated horsepower | 230HP |
Rated revolution | 2000r/min |
Max torque | 1033N.m/1400830N.mr/min |
Fuel consumption | 231g/kw.h |
Torque reserving coefficient | 1.25 |
Charging generator | Silicon rectified generator 24V35A |
Start motor | 24V 11KW |
Battery | 24V 195Ah*2 |
Transmission System | |
Torque converter | Single-stage,single-phase,three element |
Gearbox | Planetary gear ,multi-disc clutch , hydraulic forced lubrication |
Central transmission | Spiral bevel gear ,single stage gear reduction ,spattering lubrication |
Steering clutch | Wet type ,multi-disc ,spring compression ,hydraulic disengagung |
Steering brake | Wet type ,foot pedal fuel pressure booster ,with stopping brake |
Final drive | Two stage spur reduction,spattering lubrication |
Running gear | |
Type | Swing type balance bean suspension structure |
Type of track | Single –row combined |
Tooth depth | 72mm |
Number of track shoes | 39*2 |
Width of track shoes | 560,610,660mm |
Track pitch | 216mm |
Number of support rollers | 2 pieces /each side |
Number of road wheels | 7 pieces /each side |
Hydraulic system | |
Type of pump | Gear pump PAL.160 |
Type of cylinder | Dual action piston |
Max.operation pressure | 14Mpa |
Blade elevating cylinder bore*number | 120mm*2 |
Tilt cylinder bore *number | 200mm*1 |
Ripper cylinder bore*number | 150 mm *4 single tooth /150mm*2 three –teeth |