Bulldozer
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| Minimum Order Quantity: | 1 Set/Sets |
|---|---|
| Payment Terms: | L/C,T/T,Western Union |
Detailed Product Description
| Main specifitions (the spare parts are interchangeable with KOMATSU) |
Operating weight(not including ripper): 40000 kgs, Ripper weight: 4300 kgs
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 x W x H): 8090 x 4172 x 3952(with single shank ripper)
Gradeability: latitude30degrees transverse 25degrees
Ground clearance: 485mm, Theory travel speed (km/h)
1st gear forward 0-3.9 1st gear backward 0-4.8
2nd gear forward 0-6.8 2nd gear backward 0-8.4
3rd gear forward 0-11.9 3rd gear backward 0-14.8
Dozing operating rate (moving distance 40m ) 452m 3 /h
| Diesel engine specifications |
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 converte |
Power separating, hydraulic-mechanic drive, single stage torque converter is used in SD8 elevale sprocket bulldozer.
| Transmission assembly |
It integrates center drive, transmission and speed changing control valve into one component. It can be assembled or disassembled as assembly or as a part. It is very convenient to service. Transmission is multi-stage planetary drive to realize modular assembling and disassembling. Gear the shift can be changed among 1st gear, 2nd gear, 3rd gear forward or reverse rapidly, through multi-functional control valve.
| Steering and braking clutch |
Steering and braking clutch are adjustment-free, oil-type, multi-disc clutch. The braking clutch is pressed by spring, separated hydraulicly, constant meshed type. Steering clutch is hydraulic pressed, non-constant engaged clutch. Steering and braking acts simultaneously, operated manually to realize steering slowly, sharply and braking. The braking of entire machine can be realized through the pedal. Braking rod is designed to keep the undercarriage system in braking condition and guarantee the machine not to slip on slope when starting the engine.
| 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.
| Undercarriage system |
SD8 dozer utilizes elastic-mounted undercarriage. The track is triangle shape. The sprocket is elevated. Through floating function of continuous auxiliary suspension device, the machine can travel near obstacle on the ground to improve travelling stability and comfortable of the driver. Ground contact area is increased. Performance of travelling and traction is raised.
| R.o.p.s cab |
The cab is hexagonal thin wall box-type structure. Glass is mounted at six sides with wide viewing range. Pulling and pushing glass is mounted at back side. Air conditioner can be installed according to the requirement of customer. The structure of Rops is rigid. It can protect the driver efficiently when the bulldozer is in special condition. Adjustable operator' s seat bias to right 15 degrees and fuel tank, engine hood, track are tilting, the driver can has a good front and rear sighting range.
| 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. The main specification is as following:
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 |
Main pump is three group gear pump. The main performance is as following:
Lubricating pump: Rated displacement: 90 ml/r
Rated pressure:0.4 MPa, Rated speed: 2000r/min, Working pump: Rated displacement: 115 ml/r, Rated pressure: 3.1 MPa , Rated speed: 2000 r/min, Oil draining pump:Rated displacemen: 160 m/r, Rated pressure: 0.5 MPa, Rated speed: 2000 r/min
| Maintenance filling capacity |
Fuel tank: 753L
Water tank and diesel engine cooling water: 125L
Camshaft case of diesel engine: 47L
Bevel gear case hydraulic system of tractor: 167L
Final drive (one side):23L
Rear seat buffer spring case (each side): 30L
Pivot lubricating: 13L
Implement system oil tank:89L
| Blade |
Type Height Width Capacity
s-blade 1765mm 4172 mm 13.0 m 3
| Ripper |
Type: single, adjustable hydraulic ripper
Rippering angle: 45 degrees
Max. penetration: 1150mm
Max. lifting height: 830mm
Blade type | Ground contact length(A) | Overall Lenght(B) | Blade height(C) | Overall height(D) | Blade width(E) | Track center distance(F) | Penetrating length | Lifting height | Blade capacity |
Straight tilting blade(s-blade) (with ripper) | 3280 | 8090 | 1765 | 3952 | 4172 | 2200 | 614 | 1288 | 13.0 |
Straight tilting blade(S-blade) (with traction machanism) | 3280 | 6755 | 1765 | 3952 | 4172 | 2200 | 614 | 1288 | 13 |
Bulldozer
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