Bulldozer

It, a kind of engineering equipment or construction machinery, is a semi-rigid suspended, hydraulic transfer, hydraulic controlled track type bulldozer.

Main Features of Bulldozer

1.Powerful operation capacity, but low fuel consumption;
2.Comfortable working condition;
3.Energy saving design in hydraulic system;
4.Easy operation system;
5.Convenient service and maintenance;

Applications of Bulldozer
It is widely used in road building, hydra-electric construction, field modification, port building, mine development and other constructions;

Main Specification

Overall dimension(L*W*H)	6830*3725*3380mm(including ripper)
Min.ground clearance	405mn
Operating weight-	26990kg(including cabin and ripper)
Ground Pressure	0.078MPa
Gradeability---	30°
Min .Turning Radius	3300mm
Track Ground Length-	2840mm
Track Gauge	2000mm
Max .lift height of blade	1210mm
Max. digging depth	540mm
Max .Pulling Force	206KN(21T)
Productivity	350m3／h(theoretical value at transport distance of 40m)
Theory travel speed (km/h) 1st gear	forward 0-3.8; reverse 0-4.9
Theory travel speed (km/h) 2nd gear	forward 0-6.8; reverse0-8.5
Theory travel speed (km/h) 3rd gear	forward 0-11.8; reverse0-14.3
Diesel Engine Specification
Model	Cummins NT855---C280
Type	in line, water -cooled, 4-cycle, overhead valve direct injection, turbocharged diesel
Rated Engine speed	2000rpm
Rated Horse power	169KW(230HP)／2000rpm
Cylinder Number-Bore stroke	6-139.7mm*l52.4mm
Piston displacement:	14010ml
Min. Fuel Consumption--	217g／kW.h
Max. torque efficiency-	1036N.M(105.7kgm)/1400rpm
Power Transmitting System:
Torque converter:	single-stage, single-phase, 3-element
Transmission…	planetary gear, multi-disc clutch, hydraulic engaged, forced lubrication
Main Drive	.Spiral bevel gear, single-stage speed reduction, splash lubrication
Steering clutch	Wet, multi-disc, spring loaded, hydraulic separated, hydraulic control
Final Drive	two-stage speed reduction of spur gear, splash lubrication
Hydraulic System(Implement)
Max.pressure:	19.1Mpa(195kg／cm)
Discharge:	194L/Min(at engine speed of 2000rpm)
Pump type	double gear pump
Bore of the Working Cylinder *Number	110mm*2(double-acting type)
Control Valve Type	Sliding valve
Bore*No.(Tilting Cylinder)	60mm*1
Undercarriage System
Type	swing type of sprayed beam, suspended structure of equalizer bar
Carrier Rollers	2/each side
Track rollers	7/each side(single flange 5, double flange 2)
Track type	assembled single-grouser shoes(39/each side)
Width of Track shoes	560mm(Standard) 610mm,660mm(optional)
Pitch	216mm
Blade Specifications
Blade type--	straight
Width of blade	3725mm
Height of blade	1395mm
Max. digging depth	540mm
Max. ground clearance	1210mm
Blade capacity	7.8m3
Ripper Specification
No. of shank	3
Length-	1750mm
Width	2227mm
Max. penetration depth-	666mm
Max. ground clearance-	555mm