Full Technical Specifications
1. Basic Machine Information
| Item |
Specification |
| Brand |
Shantui |
| Model |
SG21 (SG21-B6 / SG21-C6 / SG21-G) |
| Machine Type |
Motor Grader / Road Grader (Note: Not a bulldozer) |
| Condition |
Used / Second Hand (Good Working Condition) |
| Operating Weight |
17,000 kg (17 Ton) |
| Working Hours (From Dashboard) |
1261.4 h |
| Emission Standard |
China IV / Euro IV (for Weichai version); China II / Euro II (for Coms version) |
2. Engine System (Coms Engine Version - Export Mainstream)
| Parameter |
Specification |
Unit |
| Engine Model |
Coms 6CTAA8.3-C215 (Cums replaced as required) |
- |
| Engine Type |
6-cylinder, inline, turbocharged, water-cooled diesel |
- |
| Rated Power / Rated Speed |
160 @ 2200 |
kW/rpm |
| Rated Horsepower |
215 @ 2200 |
HP/rpm |
| Maximum Torque / Speed |
980 @ 1500 |
N·m/rpm |
| Displacement |
8.3 |
L |
| Minimum Fuel Consumption |
202 |
g/kW·h |
3. Engine System (Weichai Version - Domestic Mainstream)
| Parameter |
Specification |
Unit |
| Engine Model |
Weichai WP7 |
- |
| Rated Power / Rated Speed |
162 @ 2200 |
kW/rpm |
| Rated Horsepower |
220 @ 2200 |
HP/rpm |
4. Blade & Working Performance
| Item |
Specification |
Unit |
| Blade Length (Standard) |
4270 |
mm |
| Blade Height (Chord) |
635 |
mm |
| Blade Rotation Angle |
360° |
° |
| Blade Side Tilt Angle |
90° |
° |
| Blade Cutting Angle Range |
27° ~ 73° |
° |
| Maximum Digging Depth |
500 |
mm |
| Maximum Traction Force |
95 |
kN |
| Maximum Gradeability |
20° (≈36%) |
° |
| Minimum Turning Radius |
7500 |
mm |
5. Travel & Transmission System
| Item |
Specification |
Unit |
| Transmission Type |
Hydraulic torque converter + electro-hydraulic power shift (6 forward / 3 reverse gears) |
- |
| Maximum Forward Speed |
39.7 |
km/h |
| Maximum Reverse Speed |
25.6 |
km/h |
| Steering System |
Fully hydraulic articulated steering |
- |
| Brake System |
Hydraulic service brake + parking brake |
- |
6. Overall Dimension & Capacity
| Item |
Specification |
Unit |
| Overall Dimensions (L×W×H) |
9430 × 2600 × 3400 |
mm |
| Minimum Ground Clearance |
500 |
mm |
| Wheel Base |
6200 |
mm |
| Tire Specification |
17.5-25 / 20.5-25 |
- |
| Fuel Tank Capacity |
360 |
L |
| Hydraulic Oil Tank Capacity |
85 |
L |
7. Hydraulic & Control System
| Item |
Specification |
| Main Pump |
Load-sensitive variable piston pump |
| Control Mode |
Electro-hydraulic proportional pilot control |
| Working Device |
Heavy-duty slewing bearing, wear-resistant cutting edge |
| Safety Features |
Emergency stop, overload protection, blade obstacle avoidance system |
8. Optional Attachments
- Front dozer blade / front scarifier
- Rear ripper (3-5 shanks)
- Snow wing / side cutter
- Automatic leveling system (GPS/GNSS)
9. Product Features