Sprocket Elevated Driving Bulldozer SD8N (320HP)
Product Introduction
SD7N LGP bulldozer is 230 horsepower track-type dozer with elevated sprocket, power shift drive, semi-rigid suspended and hydraulic controls.
SD7N LGP-230 horsepower, elevated sprocket bulldozer integrate with modular design is easy to repair & maintenance, It relieves oil with difference pressure, the hydraulic system performs protecting environment and save energy with high working efficiency. Safety comfortable operation condition, electric monitoring and ROPS cabin with reliable entire quality, excellent service is your wise choosing.
SD7N LGP with lower ground pressure is an ideal machine used in offshore mud land, waste handling and swampland.
MAIN FEATURES
1.Easy for repair & maintenance
SD7N LGP-230 horsepower, elevated sprocket bulldozer integrate with modular design is easy to repair & maintenance.
2.Energy saving
It relieves oil with difference pressure, the hydraulic system performs protecting environment and save energy with high working efficiency.
3.Stable chassis
Ground Length (Standard Type)： 3185 mm
Advantages: The compact structure is convenient to be disassembled and assembled. The required time is saved by 30%, the cost is decreased accordingly
4.Structure advantages:
5.Comfortable operation
Safety comfortable operation condition, electric monitoring and ROPS cabin with reliable entire quality, excellent service is your wise choosing.
SPECIFICATIONS
Dozer |
Tilt |
(not including ripper) Operation weight (Kg) |
36800 |
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) |
216 |
Width of shoe (mm) |
560 |
GEAR
| 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 |
Gears oil pump |
System output（L/min） |
220 |
DRIVING SYSTEM
Torque converter
Power separating, hydraulic-mechanic drive, single stage torque converter is used in SD8B elevated sprocket bulldozer.
Transmission assembly
It integrates center drive, transmission and speed changing control valve into one component. It can be assembled or disassembled as assembly or as a part. It is very convenient to service. Transmission is multi-stage planetary drive to realize modular assembling and disassembling. Gear the shift can be changed among 1st gear, 2nd gear, 3rd gear forward or reverse rapidly, through multi-functional control valve.
Steering and braking clutch
Steering and braking clutch are adjustment-free, oil-type, multi-disc clutch. The braking clutch is pressed by spring, separated hydraulicly, constant meshed type. Steering clutch is hydraulic pressed, non-constant engaged clutch. Steering and braking acts simultaneously, operated manually to realize steering slowly, sharply and braking. The braking of entire machine can be realized through the pedal. Braking rod is designed to keep the undercarriage system in braking condition and guarantee the machine not to slip on slope when starting the engine.
Final drive
Final drive is two-stage planetary reduction gear mechanism. It is mounted at outside of steering and braking clutch. Combined sprocket segment is very convenient for assembling, disassembling and service.
Undercarriage system
SD8N dozer utilizes elastic-mounted undercarriage. The track is triangle shape. The sprocket is elevated. Through floating function of continuous auxiliary suspension device, the machine can travel near obstacle on the ground to improve travelling stability and comfortable of the driver. Ground contact area is increased. Performance of travelling and traction is raised.
The SD8N bulldozer is equipped with sealed & Lubricated track assembly with the features of long-life and durability.
ROPS cab
The cab is hexagonal thin wall box-type structure. Glass is mounted at six sides with wide viewing range. Pulling and pushing glass is mounted at back side. Air conditioner can be installed according to the requirement of customer. The structure of Rops is rigid. It can protect the driver efficiently when the bulldozer is in special condition. Adjustable operator’s seat bias to right 15° and fuel tank, engine hood, track are tilting, the driver can has a good front and rear sighting range.