Hydraulic transmission bulldozer SD7N, 250hp simliar cat dozer D7
- Category: Bulldozers >>>
- Supplier: Shanghai Vostosun Industrial Co. Ltd.
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Product Overview
Description
Product Feature and Advantages:
1. Optional engine, powerful enough engine, weicha i and cummin s, in full compliance with the national iii emission standards, strong power, stable and reliable performance.
2. Air filter is standard to reduce engine wear. The air pre-filter is upgraded to a standard configuration, which enhances the adaptability to harsh conditions such as high dust areas.
3. The radiator is improved and the heat dissipation effect is better. The use of a higher heat dissipation aluminum alloy heat sink improves heat dissipation by 20% to meet the tropical high temperature demand.
4. The front protection plate is strengthened and the tank is elastically suspended. The rigidity of the front protection plate is further enhanced to prevent the occurrence of water leakage due to deformation of the front protection plate due to force deformation.
5. Carter standard blade, more efficient bulldozing.
6. Carter standard ripper faster operation.
7. Pilot hydraulic system more flexible operation.
8. The cab is upgraded for better comfort.
9. Highly configured air conditioners more humane.
Bulldozer SD7N Technical Specification:
| Dozer blade | tilt | ||
| (not including ripper) Operation weight (Kg) | 23800 | ||
| Ground pressure(KPa) | 71.9 | ||
| Track gauge(mm) | 1980 | ||
| Gradient | 30°/25° | ||
| Min. ground clearance (mm) | 404 | ||
| Dozing capacity (m³) | 8.4 | ||
| Blade width (mm) | 3500 | ||
| Max. digging depth (mm) | 498 | ||
| Overall dimensions (mm) | 5677×3500×3402 | ||
| (including ripper) | 7616×3500×3402 | ||
| Engine type | CUMMIN S NTA855-C280S10 | ||
| Rated revolution (rpm) | 2100 | ||
| Rated power (KW) | 185 | ||
| Max. torque (N•m/rpm) | 1097/1500 | ||
| Rated fuel consumption(g/KW•h) | ≤235 | ||
| Max. torque (N•m/rpm) | Max. torque (N•m/rpm) | ||
| Track type | The track is triangle shape. | ||
| The sprocket is elevated elastic suspended. | |||
| Number of track rollers (each side) | 7 | ||
| Pitch (mm) | 216 | ||
| Width of shoe (mm) | 560 | ||
| Gear | 1st | 2nd | 3rd |
| Forward (Km/h) | 0-3.9 | 0-6.5 | 0-10.9 |
| Backward (Km/h) | 0-4.8 | 0-8.2 | 0-13.2 |
| Implement hydraulic system | |||
| Max. system pressure (MPa) | 20 | ||
| Pump type | High pressure gears pump | ||
| Control type | Pilot control | ||
| System output (L/min) | 170 | ||
| Torque converter | Torque converter is power | ||
| separating hydraulic-mechanic type | |||
| Transmission | Planetary, power shift transmission | ||
| With three speeds forward and three | |||
| Speeds reverse, speeds and | |||
| Direction can be quickly shift | |||
| 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. | ||
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