HWSG21A-3 Motor Grader
Rated Power: 160Kw
Width of Shovel Blade: 3660/3965/4270mm
Parameter
| Product name | SG21A-3 |
| Performance parameters | |
| Operating weight of machine (kg) | 16900 |
| Wheelbase (mm) | 6560 |
| Wheel tread (mm) | 2155 |
| Minimum ground clearance (mm) | 430 |
| Steering angle of front wheels (°) | ±45 |
| Articulated steering angle (°) | ±25 |
| Maximum traction force (kN) | 95 |
| Turning radius (mm) | 8200 (Outer side of front wheel) |
| Maximum gradeability (°) | 20 |
| Width of shovel blade (mm) | 3660/3965/4270 |
| Height of shovel blade (mm) | 635 |
| Blade slewing angle (º) | 360 |
| Blade cutting angle (º) | 44-91 |
| Maximum digging depth of blade (mm) | 500 |
| Length (mm) | 9430 |
| Width (mm) | 2600 |
| Heigh (mm) | 3400 |
| Engine | |
| Engine model | 6CTAA8.3-C215 |
| Emission | China-II |
| Type | Mechanical direct injection |
| Rated power/rated speed (kw/rpm) | 160kW/2200rpm |
| Drive system | |
| Torque converter | Single-stage single-phase three-element |
| Transmission | Countershaft power shift |
| Gears | Six forward and three reverse |
| Brake system | |
| Service brake type | Hydraulic brake |
| Parking brake type | Mechanical brake |
| Brake oil pressure (MPa) | 10 |
| Hydraulic system | |
| Working pump | Constant displacement gear pump, with flow at 28ml/r |
| Operating valve | Integral multi-way valve |
| Pressure setting of safety valve (MPa) | 16 |
| Pressure setting of safety valve (MPa) | 12.5 |
| Filling of fuel/oils/fluids | |
| Fuel tank (L) | 340 |
| Working hydraulic fuel tank (L) | 110 |
| Transmission (L) | 28 |
| Drive axle (L) | 25 |
| Balance box (L) | 2X23 |
Easy maintenance
● The structural components inherit the outstanding quality of Shantui's mature products.
● The electrical harnesses utilize seamless corrugated pipes and deconcentrators for branching, offering a high level of protection.
● The rear-mounted battery, which requires no maintenance, boasts a high power capacity.
● The essential electric and hydraulic components incorporate imported products, ensuring stable and reliable quality and exceptional reliability.
Contact us now to inquire about the best price.
Company Profile





Shandong Hengwang Group, founded in 2011 in the cultural city of Jining, Shandong, has grown into a comprehensive innovative technology enterprise integrating R&D, production, trade, and logistics. With a factory area exceeding 300,000 square meters and over 2,000 employees, the company completed and put into operation its billion-yuan Intelligent Manufacturing Base in 2024, reinforcing its strong manufacturing foundation.
Adhering to an "innovation-driven, quality-first" philosophy, Hengwang develops and exports over 40 categories of machinery products to more than 180 countries and regions. Holding over 200 patents and multiple international certifications, the company provides customers with integrated solutions and high-quality service, consistently striving towards its vision of building a century-old brand with outstanding value.
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