SD8N 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.

 

Main features:  Sprocket elevated

 Italy hydro control valve with pilot control

              Equipped with Italy ITM lubricated track completely

 Specifications

Dozer                                                           Tilt

Operation weight (including ripper) (Kg)                            37300

Ground pressure(including ripper) (KPa)                             94

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 (with Shank) (mm)                     7930×3940×3549

 Engine

Type                                                   NT855-C360S10

Rated revolution (rpm)                                             2100

Flywheel power (KW/HP)                                            257

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)                                                        216

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)                                     20

 Pump type                                                  Gear 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.