HBXG brand crawler Bulldozer
1.Operating wieght: 23800kg
2.Cummins NT855-C280 engine, 230HP
3.CAT technology
4.ROPS/FOPS
Main specifications | |||||
Operating weight(not including ripper) | 40000 | ||||
Ripper weight | 4300 | ||||
Engine flywheel power/RPM | 246 kw(335HP)/1900r/min | ||||
Track ground contact length | 3280 mm | ||||
Ground pressure(without ripper) | 105 kPa | ||||
Track contact length | 2200 mm | ||||
Overall dimensions(L×W×H) | 8090×4172×3952mm (with single shank ripper) | ||||
Gradeability | Latitude 30 ° Transverse 25° | ||||
Ground clearance | 485mm | ||||
Theory travel speed (km/h) | |||||
Forward | Reverse | ||||
First speed | 0-3.9 | First speed | 0-4.8 | ||
Second speed | 0-6.8 | Second speed | 0-8.4 | ||
Third speed | 0-11.9 | Third speed | 0-14.8 | ||
Dozing operating rate (moving distance 40m) | 452 m3/h | ||||
Diesel Engine | |||||
Model | NTA855-C400 (BC) | ||||
Type | water cooled, single line, four strokes, turbocharged, 6-cylinders, diameter 140mm | ||||
Rated speed | 1900r/min | ||||
Flywheel power | 246kw(335HP) | ||||
Torque storage coefficient | 24.5% | ||||
Start mode | 24v electric starting | ||||
Torque converter | |||||
Power separating, hydraulic-mechanic drive, single stage torque converter is used in SD8 elevale sprocket bulldozer. | |||||
Final drive | |||||
Final drive is two-stage planetary reduction gear mechanism. It is mounted at outside of steering and braking clutch. Combined sprocket segment is very convenient for assembling, disassembling and service. | |||||
Implement hydraulic system | |||||
Implement hydraulic system can control lifting, lowering and tilting of the blade. It also can control the moving of ripper. It mainly consists of oil pump, cylinder, valve group, oil tank line and controlling parts. Implement pump is two group vane type pump. | |||||
Front pump | Displacement | 129ml/r | |||
Rated pressure | 21MPa | ||||
Rated speed | 2000r/min | ||||
Rear pump | Displacement | 56ml/r | |||
Rated pressure | 21MPa | ||||
Rated speed | 2000r/min | ||||
Rated operation pressure of blade lifting system | 17.5MPa | ||||
Rated operation pressure of tilting system | 18.3MPa | ||||
Hydraulic system of tractor | |||||
It is composed of oil pump, transmission control valve, steering and braking control valve, sequence valve, torque converter outlet relief valve, filler and oil line, etc. Main pump is three group gear pump. | |||||
Lubricating pump | Displacement | 90 ml/r | |||
Rated pressure | 0.4 MPa | ||||
Rated speed | 2000 r/min | ||||
Working pump | Displacement | 115 ml/r | |||
Rated pressure | 3.1 MPa | ||||
Rated speed | 2000 r/min | ||||
Oil draining pump | Displacement | 160 m/r | |||
Rated pressure | 0.5 MPa | ||||
Rated speed | 2000 r/min | ||||
Cab | |||||
Type | Simple structure canopy | ||||
Alternative | Cab with air-conditioner | ||||
Cab with Rops |