SD7P bulldozer

HBXG brand crawler bulldozer 1.Operating wieght: 23800kg 2.Cummins NT855-C280 engine, 230HP 3.Komatsu tech 4.ROPS/FOPS cab

SD7P bulldozer:

Engine :

 

Model:                                           NT855C280

Type:                                               in-line,water-cooled,4-cycle,overhead valve direct injection,turbochanged diesel

Rated Revolution:                            2000rpm

Ratde Horsepower:                         169KM(230HP)/2000rpm

Cylinder Number-Bore×Stroke:   6139.7mm×152.4mm

Piston displacement:                      14010ml

Min.Fuel Consumption                   217g/kw.h

Max.Toque efficiency                    1.28

 

POWER TRANSMITTING SYSTEM:

Torque converter:           1stage.1phase.3elements

Transmission:                  planetary gear,multi-disc clutch.hydraulically connected.fouced lubricaton

Main Dirve:                     Spiral bevel gear,singe-stage speed reduction,splash lubricaton

Sleering clutch:               Wet,multi-disc,spring loaded,hydraulically separated,hydraulic control

Final Drive:                     Two-stage speed reduction of spur gear,splash lubrication

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 flange2)

Track Type                       assembled single-grouser shoes(39/each side)

Width of Track shoes       560mm(Standard)610mm.660mm(Optional)

Pitch                                  216mm

HYDRAULIC SYSTEM:

Max pressure                                                 19.1Mpa(195kg/cm2)

Discharge                                                       194L/min(at engine revolution of 2000rpm)

Pump Type                                                     tandem gear pump

Bore of the Wrking Cyinder×Number          110mm×2double-acting type

Type Contral Vale                                          lubricated valve

Bore×NO.(Tilt Cylinder)                             160mm×1

OTHER SPECIFCATINONS:

Min.Ground Clearance              405mm

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.Drop below the Ground of blade     540mm

Max.Pulling Force                      206KN (21T)

Productivity               350m3/h(theoretical value at a transport distance of 40m)

SD7P bulldozer