SD8N Bulldozer
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SD8N bulldozer is track-type dozer with elevated sprocket, hydraulic direct drive, semi-rigid suspended and pilot hydraulic controls. Equipped with hydraulic-mechanic type Torque converter, planetary, power shift transmission. It can be used in road building, hydro-electric construction, land clearance, port and mine development and other construction field.
| Specifications | ||||
| Dozer | Tilt | |||
| Operation weight (including ripper) (Kg) | 37000 | |||
| 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 without ripper (mm) | 6282×3940×3549 | |||
| Engine | ||||
| Type | ChongqingCumminsNTA855-C360S10
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| Rated revolution (rpm) | 2100 | |||
| Rated power (KW) | 257 | |||
| Torque storage coefficient | 20% | |||
| Undercarriage system | ||||
| Type | The track is triangle shape.The sprocket is elevated elastic suspended.
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| 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 | Gears oil 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. | |||
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