The SD7K Bulldozer is designed for heavy-duty earthmoving tasks in challenging environments. Featuring semi-rigid suspension, elevated sprocket drive, and a Tier III electronic control engine, this bulldozer delivers reliable power, advanced performance, and operational comfort.
Key Features:
- Tier III Emission Control Engine: Environmentally friendly with low emissions and energy-efficient performance.
- Hydrostatic Transmission: Infinitely variable speed with full power matching for seamless operation in varying conditions.
- Automatic Cooling System: Independent cooling system for maximum efficiency during long operational hours.
- Modular Design: Simplified maintenance and repair, reducing downtime.
- Ergonomic Controls: Electric proportional transmission control and hydraulic pilot system for accurate, comfortable, and low-effort operation.
- Human-Computer Interface: Instrument display with a fully sealed, air-conditioned cab for enhanced safety and comfort.
Optional Attachments:
- Angle Blade
- U-Shaped Blade
- Single Shank Ripper
- Three Shank Ripper
This machine is ideal for large-scale earthworks in transportation construction, desert, oil fields, power projects, mining, and more.
Technical Specifications
| Performance | Details |
|---|---|
| Blade Type | Tilt Blade / Coal Blade |
| Operating Weight (without ripper) | 25,500 kg |
| Ground Pressure | 77.9 Kpa |
| Track Gauge | 1980 mm |
| Gradeability | 30° forward / 25° backward |
| Min. Ground Clearance | 394 mm |
| Dozing Capacity | 8.1 m³ (Tilt Blade) / 9.0 m³ (Coal Blade) |
| Blade Dimensions | 3550 x 1550 mm (Tilt Blade) / 3718 x 1484 mm (Coal Blade) |
| Max. Digging Depth | 498 mm |
| Overall Dimensions (with Tilt Blade) | 5876 x 3550 x 3402 mm |
| Overall Dimensions (with Coal Blade) | 5876 x 3718 x 3402 mm |
Engine Specifications
| Parameter | Details |
|---|---|
| Engine Model | Weichai WP12G250E302 |
| Emission Standard | Tier III |
| Rated Speed | 2100 rpm |
| Rated Power | 185 kW |
| Max. Torque | 200 N•m @ 750-1400 rpm |
| Fuel Consumption | ≤202 g/kW•h |
Undercarriage System
| Parameter | Details |
|---|---|
| Type | Semi-rigid suspension, Swing type beam |
| Number of Track Rollers | 7 (each side) |
| Pitch | 216 mm |
| Track Shoe Width | 560 mm |
Hydraulic System
| Parameter | Details |
|---|---|
| Max. System Pressure | 20 MPa |
| Pump Type | High-pressure gear pump |
| System Output | 180 L/min |
| Control Type | Pilot control |
Transmission System
| Component | Details |
|---|---|
| Drive System | Variable pump + variable motor, closed-loop hydrostatic system |
| Brake Type | Wet multi-disc brake |
| Final Drive | Three-stage planetary reduction gear mechanism |
| Control System | Electric joystick |
Why Choose the SD7K Bulldozer?
The SD7K Bulldozer is built for handling the toughest environments with ease, offering powerful and precise performance across a wide range of applications. From transportation projects to mining operations, this machine delivers consistent efficiency and adaptability. Its advanced transmission system and ergonomic controls allow operators to work comfortably and efficiently in even the most demanding conditions.