The SD7N Bulldozer is a high-powered, track-type dozer designed for demanding environments. With an elevated sprocket, power shift drive, and hydraulic control, this 230-horsepower machine is built for maximum efficiency and comfort.
Key Features:
- Elevated Sprocket & Semi-Rigid Suspension: Ensures stability and smooth performance over rough terrain.
- Modular Design: Simplified maintenance and repair, minimizing downtime on large-scale projects.
- Advanced Hydraulic System: Environmentally friendly, energy-saving, and responsive for high-efficiency operation.
- Ergonomic Control System: Designed according to human-machine engineering, providing precise, effortless control and high work efficiency.
- Safety & Comfort: Features electric monitoring, a ROPS (Roll-Over Protective Structure) cabin, and a fully sealed air-conditioned environment for maximum operator comfort and safety.
Optional Attachments:
- Straight Tilting Blade, U-Shape Blade, Angle Blade, Coal Blade
- Single Shank Ripper or Three Shank Ripper
- ROPS/FOPS Cabin for increased operator safety in tough conditions.
The SD7N is ideal for large earthmoving projects in transportation, oil fields, desert operations, electric power construction, and mining.
Technical Specifications
| Performance | Details |
|---|---|
| Dozer Blade Type | Tilt Blade |
| Operating Weight (without ripper) | 24,300 kg |
| Ground Pressure | 74.1 KPa |
| Track Gauge | 1980 mm |
| Gradeability | 30° forward / 25° backward |
| Min. Ground Clearance | 404 mm |
| Dozing Capacity | 8.1 m³ |
| Blade Width | 3552 mm |
| Max. Digging Depth | 498 mm |
| Overall Dimensions (without ripper) | 5857 x 3552 x 3402 mm |
| Overall Dimensions (with ripper) | 7796 x 3552 x 3402 mm |
Engine Specifications
| Parameter | Details |
|---|---|
| Engine Model | CUMMINS NT855-C280S10 |
| Rated Speed | 2100 rpm |
| Rated Power | 185 kW |
| Max. Torque | 1097 N•m @ 1500 rpm |
| Fuel Consumption | ≤235 g/kW•h |
Undercarriage System
| Parameter | Details |
|---|---|
| Track Type | Triangular layout with elevated sprocket, elastic suspension |
| Number of Track Rollers | 7 (each side) |
| Track 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 | 170 L/min |
Transmission System
| Component | Details |
|---|---|
| Torque Converter | Power separating hydraulic-mechanic type |
| Transmission | Planetary, power shift transmission with 3 forward and 3 reverse gears |
| Steering Clutch | Hydraulic pressed, wet multi-disc, normally separated clutch |
| Braking Clutch | Spring pressed, hydraulic separated, wet multi-disc clutch |
| Final Drive | Two-stage planetary reduction gear mechanism with splash lubrication |
Why Choose the SD7N Bulldozer?
The SD7N Bulldozer delivers power, precision, and versatility for large-scale construction projects. Its elevated sprocket design improves ground clearance and durability, while its modular build ensures ease of maintenance. With robust safety features and advanced control systems, it’s the go-to solution for heavy earthmoving tasks in harsh environments.