Wheel Loader, Backhoe Loader, Crawler Excavator
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Home » Products » Bulldozer » Bulldozer SWD320Y
Bulldozer

Features of Bulldozer
1.Cummins NTA855-C360 engine with strong traction and low fuel consumption;
2.High efficient in hydraulic mechanical transmission system;
3.Super function in steering hydraulic operating system, alleviating operation tiredness and improving work efficiency.
4.Comfortable driving operation: hexagon cab, innovative in model, wide in eyeshot;
5.Easy to operate
Main Specifications of Bulldozer

Operating weight(not including ripper) 35900㎏
Ripper weight     ㎏
Ground pressure(without ripper) 94kPa
Ground clearance 500mm
Ground contact length 3150mm
Track center distance     mm
Overall dimensions(L×W×H) (with single shank ripper) 6880×4130×3640mm(Semi-U blade)
6880×4850×3640mm(Angle blade)
Grade ability  
Theory travel speed    (km/h)
1st gear forward 0-3.6 1st  gear backward 0-4.4
2nd gear forward 0-6.6 2nd gear backward 0-7.8
3rd gear forward 0-11.5    3rd gear backward 0-13.5
Dozing operation rate(moving distance 40m)   
Diesel Engine
Model NT855-C360(Cummins)
Type    four strokes, turbocharged, aftercooled
Rated speed  2000RPM
Flywheel power 239 kW
Start mode Electric starting, 24V 11KW
Battery 24V (12V×2)-195
Air cleaner Dry horizontal type with precleaner
Power Transmitting System
Torque converter 3-element,single-stage, single-phase
Transmission…… planetary gear, multiple-disc clutch, hydraulic actuated, forced lubrication by gear pump, 3 forward and 3 reverse speeds
Bevel gear spiral bevel gear, splash lubricated
Steering clutch .wet, multiple-disc clutch, spring loaded, hydraulically released
Steering brake wet, band brake, operated with hydraulic booster
Final drive Spur gear, double reduction, splash lubricated
Hydraulic System(Implement)
Description It is composed of oil pump, transmission control valve, steering and braking control valve, sequence valve, relief valve at torque converter outlet, filter and lines.
Main pump CBZ4200  gear pump
Working pressure   13.7MPa
Control valve  hand-operated, plunger, servo controlling
Valve position raised, hold , lower, float 
Cylinder,Bore×Rod×Stroke(mm) ∮140×∮75×1340
Left and Right Undercarriage System
Sprocket Segmented
Track tension Hydraulic-adjusted
Floating seals are used in all track rollers, sprocket and front idlers.
Numbers of track shoes(each side) 7(5 single, 2 double)
Specifications for Blades
Blade type… straight tilt blade, Semi-U blade, Angle blade
Width×Height(mm) 4130×1590mm(Semi-U), 4850×1140mm(Angle)
Max.lift above ground (mm) 1560
Max.drop below ground(mm) 560
Pitch adjustment 50°± 2°
Max.tilt(mm) 1000
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