Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model | STC250E5-1 |
| Model Abbreviation | 250 |
| Weight Range | 16-70Ton |
| Engine | |
| Model | Yuchai YCK08310-60 |
| Rated Power (kW) | 228 |
| Rated Torque (N·m/r/min) | 1280 |
| Weight Parameters | |
| Operating Weight (Total Mass in Travel State) (kg) | 32100 |
| Front Axle Load (kg) | 6800 |
| Middle and Rear Axle Load (kg) | 25300 |
| Working Parameters | |
| Rated Total Lifting Capacity (kg) | 25000 |
| Outrigger Span (Longitudinal x Transverse) (m) | 5.18×6.4 |
| Maximum Moment of Basic Boom (kN·m) | 1088 |
| Maximum Lifting Height of Basic Boom (m) | 11 |
| Maximum Moment of Longest Main Boom (kN·m) | 672 |
| Maximum Lifting Height of Main Boom (m) | 41.5 |
| Maximum Lifting Height of Auxiliary Boom (m) | 8 |
| Tail Swing Radius (mm) | 3300 |
| Slewing Angle (°) | -2~80 |
| Rotation Angle (°) | 360 |
| Operating Speed | |
| Maximum Hoisting Speed (Single Rope, Main Winch) (m/min) | 125 |
| Maximum Hoisting Speed (Single Rope, Auxiliary Winch) (m/min) | 125 |
| Boom Hoisting/Lowering Time (s) | 45/50 |
| Boom Extension/Retraction Time (s) | 80/95 |
| Horizontal Outrigger Extension/Retraction Time (s) | 30/20 |
| Vertical Outrigger Extension/Retraction Time (s) | 25/20 |
| Swing Speed (r/min) | 0-2.7 |
| Travel Parameters | |
| Maximum Travel Speed (km/h) | 85 |
| Maximum Gradeability (%) | 45 |
| Approach Angle (°) | 10 |
| Departure Angle (°) | 13 |
| Minimum Turning Radius(m) | 10.5 |
| Minimum Ground Clearance (mm) | 240 |
| Braking Distance (m) | ≤10 |
| Fuel Consumption per 100 km (L) | 30 |


