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Chinese 180HP GR1803 New Small Motor Grader Construction Machinery
The GR1803 motor grader is mainy used for ground leveling, ditching, slope scraping, bulldozing, scarification, snow removal for large areas such as highway, airports, farmlands etc. lt is the necessary construction machinery for national defense construction, urban and rural road construction and water conservancy construction, farmland improvement and so on.
1. Energy saving and noise reduction: adopt low speed engine transmission line, low fuel consumption and energy saving and environmental protection; The transmission system is equipped with low speed ratio, and the average fuel consumption is reduced by about 8%. Three levels of engine, cab and seat vibration reduction; The cab is supported by six points; Deceleration of engine, cooling fan with large diameter, sound absorption sponge inside the hood, good sealing of the cab reduces noise of the whole machine.
2. Strong power: Shangchai efficient China stage I engine and hydraulic torque converter, the optimal torque converter achieves the best matching of torque converter and engine, reducing the start time, increase the work of torque output at low speed, strong and powerful. The optional herringbone tread tires, the adhesion can be increased by 10% in loosing soil and leveling, further enhance the power output.
3. Rotation with load: improve the pressure of hydraulic system system, the rotary force of the blade, the high frequency quenching treatment improves the wear resistance and life span, and realize the rotation operation.
4. Efficient operation: improves the displacement of hydraulic pump and hydraulic motor, increase the oil cylinder speed by 20%, realizes the industry leading work efficiency, the optimized blade shape can turn and remove the soil quickly and efficiently, and realize optimal load distribution and the minimum material accumulation within the rotary discarea.
| Item | Unit | GR1803 | ||
| Basic parameters | Engine model | SC7H190.1G3 | ||
| Rated power/speed | kW/rpm | 140/2000 | ||
| Overall dimension(standard) | mm | 8900 x 2625 x 3420 | ||
| Total weight(standard) | kg | 15400 | ||
| Tire specification | 17.5-25 | |||
| Ground clearance | mm | 430 | ||
| Tread | mm | 2156 | ||
| Space of front and rear axles | mm | 6219 | ||
| Space of middle and rear wheels | mm | 1538 | ||
| Performance parameters | Forward velocity | km/h | 5,8,11,19,23,38 | |
| Reverse speed | km/h | 5,11,23 | ||
| Tractive effort f=0.75 | kN | ≥79 | ||
| Maximum gradeadbility | % | ≥25 | ||
| Inflation pressure of tires | kPa | 260 | ||
| Working system pressure | MPa | 20 | ||
| Transmission pressure | MPa | 1.3-1.8 | ||
| Working parameters | Maximum steering angle of front wheels | ° | ±48 | |
| Maximum inclination angle of front wheels | ° | ±17 | ||
| Maximum swing angle of front axle | ° | ±15 | ||
| Maximum swing angle of balance box | ° | front 15, rear 15 | ||
| Maximum steering angle of frame | ° | ±27 | ||
| Maximum turning radius | m | 7.3 | ||
| Blade | Maximum lifting height | mm | 400 | |
| Maximum shoveling depth | mm | 500 | ||
| Maximum lateral inclination angle | ° | 90 | ||
| Cutting angle | ° | 28-70 | ||
| Oil filling amount | Slewing angle | ° | 360 | |
| Length x chord height | mm | 3660 x 610 | ||
| Coolant | L | 50 | ||
| Fuel tank | L | 280 | ||
| Engine | L | 24 | ||
| Transmission | L | 38 | ||
| Balance box | L | 46 | ||
| Drive axle | L | 28 | ||
| Hydraulic oil | L | 110 | ||
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