SG21 A-3It is a new generation of heavy-duty hydraulic drive self-propelled grader developed by Shantui, and its technology has reached the domestic advanced level. This product inherits Shantui's years of experience in motor grader production, with excellent quality, stable and reliable performance. It is mainly suitable for pavement leveling, slope scraping, embankment filling and other heavy-duty operations in large mines, highways, railways, airports and other ground. It is indispensable mechanical equipment for mine construction, national defense engineering, road construction, and water conservancy construction.
2 Application sites-Working conditions: Road construction
Agriculture, Forestry and Water Conservancy
Bridge
Urban Construction
airport and so on
3 Specification for SG21 A-3Performance parameter
1) Working mass (kg)
16600Maximum traction force (kN)
87Minimum turning radius (mm) 7600 (outer front wheel)
2) Engine
Engine model
WP7Rated power/rated speed (kW/rpm)
162/22003) Dimensions
Overall dimensions (mm)
8944*2600*34004) Walking performance
Forward speed (km/h)
5.4/9.4/12.2/20.5/25.4/39.7Backward speed (km/h)
5.4/12.2/25.45) Chassis system
Fuel tank capacity
Fuel tank (L) 340
6) working equipment
Blade width (mm)
3965Blade height (mm) 635
Parameter name SG16-3 (standard version) | |
Working mass (kg) | 16600 |
Maximum traction force (kN) | 87 |
Minimum turning radius (mm) | 7600 (outer front wheel) |
Engine | |
Engine model | WP7 |
Rated power/rated speed (kW/rpm) | 165/2200 |
Dimensions | |
Overall dimensions (mm) | 8944*2600*3400 |
Walking performance | |
Forward speed (km/h) | 5.4/9.4/12.2/20.5/25.4/39.7 |
Backward speed (km/h) | 5.4/12.2/25.4 |
Chassis system | |
Fuel tank capacity | |
Fuel tank (L) | 340 |
working equipment | |
Blade width (mm) | 3965 |
Blade height (mm) | 635 |
4 Comfortable driving room:1)High-efficiency shock-absorbing seat to maximize operating comfort;
2)The overall sealing and damping system of the cab adopts double-layer sealing, equipped with a sound-absorbing sponge, with low vibration and noise, and the noise at the driver's ear can be reduced to below 80 decibels;
3)Standard equipped with heating and cooling air conditioning, intelligent display and control terminal integrated instrumentation, radio, toolbox, fire extinguisher, reversing alarm, etc., providing a richer humanized driving experience and a comfortable and safe driving environment.
5 Engine parts: Weichai WP6 electronic control engine (optional Dongkang engine), emission meets the national non-road machinery emission requirements of stage III, intelligent and efficient, strong versatility of parts, low maintenance cost;
The whole machine has a reasonable matching, high transmission efficiency and low fuel consumption.
![Sg21A-3 Grader Shantui Best Seller](//image.made-in-china.com/226f3j00CMQfnFGcndur/Sg21A-3-Grader-Shantui-Best-Seller.webp)
6 Hydraulic system:
1) Adopt electro-hydraulic control power shift transmission, with 6 front and rear 3 gears, the best gear can be selected according to the working conditions, to achieve the best match between walking and work;
2) Three-stage integral drive axle, built-in imported no-spin automatic anti-skid differential, stable and reliable transmission;
3) Balance box, swing up and down 15°, heavy-duty roller chain drive so that the machine has better terrain adaptability. It can meet normal construction operations under special road conditions, with stable power output and strong driving force.
![Sg21A-3 Grader Shantui Best Seller](//image.made-in-china.com/226f3j00jBEfytRgOApu/Sg21A-3-Grader-Shantui-Best-Seller.webp)
7 Maintenance--Very easy and simple:
1)The hydraulic pull-out cylinder can complete the operation of the swing frame with only one person, and there is no hidden safety hazard, which is convenient for users to use;
2)Structural parts inherit the excellent quality of Shantui's mature products;
3)The electrical wiring harness adopts seamless corrugated pipe and line splitter to separate the wires, with high protection level;
4)Maintenance-free battery, placed behind the equipment, has a large battery life;
5)The core electrical and hydraulic components are imported, with stable and reliable quality and extremely high reliability.