constructon earthmoving machine bulldozer SD8B 320hp compact bulldozer

constructon earthmoving machine bulldozer SD8B 320hp compact bulldozer

SD8B bulldozer is track-type dozer with elevated sprocket, hydraulic direct drive, semi-rigid suspended and hydraulic controls. Equipped with power separating hydraulic-mechanic type Torque converter, planetary, power shift and one lever control transmission. SD8B bulldozer equipped with integrated hydraulic system, electric monitoring, SD8B bulldozer can be equipped with many optional equipment and attachment, it can be used in road building, hydro-electric construction, land clearance, port and mine development and other construction field.

Specifications

Dozer                                                              Tilt

Operation weight (including ripper) (Kg)                                37400

Ground pressure(including ripper) (KPa)           93

Track gauge(mm)                                     2083

Gradient                                             30°/25°

Min. ground clearance (mm)                            556

Dozing capacity (m³)                                                 11.24

Blade width (mm)                                       3940

Max. digging depth (mm)                             582

Overall dimensions (mm)   7751×3940×3549

Engine

Type                                                   NT855-C360S10

Rated revolution (rpm)                                                2100

Flywheel power (KW/HP)                                            235/320

Torque storage coefficient                                           20%

Undercarriage system

Type                                           The track is triangle shape.

                                The sprocket is elevated elastic suspended.  

Number of track rollers (each side)                                    8

Pitch (mm)                                                          226

Width of shoe (mm)                                                  560

Gear                                  1st   2nd     3rd                       

Forward (Km/h)                   0-3.5        0-6.2           0-10.8      

Backward (Km/h)                      0-4.7         0-8.1           0-13.9      

Implement hydraulic system

Max. system pressure (MPa)                                           22.5

Pump type                                                Gears oil pump

System output(L/min)                                                220

Driving system

Torque converter     Torque converter is power separating hydraulic-mechanic type                                            

Transmission       Planetary, power shift transmission with three speeds forward and three speeds reverse, speed and direction can be quickly shifted.                            

Steering clutch.     The steering clutch is hydraulic pressed, usually separated clutch.                                

Braking clutch       The braking clutch is pressed by spring, separated hydraulic, meshed type.                          

Final drive           The final drive is two-stage planetary reduction gear mechanism, splash lubrication.