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Drive system ● The normally-closed brake design is applied so that the machine is braked automatically after the stop of engine to ensure high safety. ● The shock absorbers in crossing shaft rubber block structure are applied to effectively mitigate the vibration from the engine and protect the engine and drive system Driving/Riding Environment ● The integral ergonomic hexahedral cab features large space, excellent vision, and good airtightness. ● The single accelerator pedal features comfortable operations. ● The extensively adjustable seat and armrests provide the driver with the most comfortable operation； ● The cab adopts integrally sealed shock-absorbing system and sound-absorbing sponge to realize low vibrating noise. ● The optional A/C and heating system, the intelligent display and control terminal with integrated instruments, cigarette lighter, USB charging port, radio, toolbox, and fire extinguisher are installed to provide more abundant personalized driving/riding experience and guarantee the comfortable and safe driving/riding environment. ● The safety passage system of the machine guarantees the driver’s safety Working adaptability ● The undercarriage system features long ground length, high ground clearance, stable driving, and excellent trafficability. ● Depending on specific working condition, the semi-U blade, straight tilting blade, angle blade, three-shank ripper, traction frame, and winch can be installed to achieve power operating capability. ● The standard LED working lamps improve the illumination capability and achieve higher safety and reliability during nighttime operations Easy maintenances ● The structural parts inherit the excellent quality of Shantui mature products. ● The electric harnesses adopt seamless corrugated pipes and deconcentrators for branching, featuring high protection grade. ● The core electric and hydraulic parts adopt imported products, featuring stable and reliable quality and extremely high reliability； ● The modular structure design of the machine features easy disassembling and assembling, simple repairs, low failure rate, and easy maintenancesCHARACTERISTIC
Paracteristic
| Parameter name | SD20-B5 (China-II)(Standard version) | SD20-B5 FL (China-II)(Forestry version) |
| Performance parameters | ||
| Operating weight (Kg) | 21000 | 23000 |
| Ground pressure (kPa) | 70 | 63.2 |
| Engine | ||
| Engine model | Weichai WD12G245E203 | Weichai WD12G245E203 |
| Rated power/rated speed (kW/rpm) | 180/1950 | 180/1950 |
| Overall dimensions | ||
| Overall dimensions of machine (mm) | 6805*3460*3305 | 6695*4370*3254 |
| Driving performance | ||
| Forward speed (km/h) | 3.9、6.8、10.6/5.0、8.6、13.4 | 3.9、6.8、10.6/5.0、8.6、13.4 |
| Reversing speed (km/h) | 3.9、6.8、10.6/5.0、8.6、13.4 | 3.9、6.8、10.6/5.0、8.6、13.4 |
| Chassis System | ||
| Center distance of track (mm) | 1880 | 2050 |
| Width of track shoes (mm) | 560 | 610/660 |
| Ground length（mm） | 2675 | 2980 |
| Tank capacity | ||
| Fuel tank (L) | 415L | 415L |
| Working device | ||
| Blade type | Semi-U blade | Angle Blade |
| Digging depth (mm) | 450 | 485 |
| Ripper type | 3 shank | 3 shank |
| Ripping depth (mm) | 595 | 595 |
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