Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model | ZTC251V5 |
| Model Abbreviation | 251 |
| Weight Parameters | |
| Curb Weight (kg) | 33045 |
| Operating Weight (Total Mass in Travel State) (kg) | 33240 |
| Front Axle Load (kg) | 7240 |
| Middle and Rear Axle Load (kg) | 26000 |
| Working Parameters | |
| Rated Total Lifting Capacity (kg) | 25000 |
| Maximum Moment of Basic Boom (kN·m) | 1142 |
| Maximum Lifting Height of Basic Boom (m) | 11.3 |
| Maximum Moment of Longest Main Boom (kN·m) | 768 |
| Maximum Lifting Height of Main Boom (m) | 42.1 |
| Maximum Lifting Height of Auxiliary Boom (m) | 50 |
| Tail Swing Radius (mm) | 3260 |
| Operating Speed | |
| Maximum Hoisting Speed (Single Rope, Main Winch) (m/min) | 135 |
| Maximum Hoisting Speed (Single Rope, Auxiliary Winch) (m/min) | 120 |
| Boom Hoisting/Lowering Time (s) | 35 |
| Boom Extension/Retraction Time (s) | 80 |
| Swing Speed (r/min) | 0~2.7 |
| Travel Parameters | |
| Maximum Travel Speed (km/h) | 90 |
| Maximum Gradeability (%) | 45 |
| Minimum Turning Diameter (m) | 21 |
| Minimum Ground Clearance (mm) | 260 |
| Fuel Consumption per 100 km (L) | 29 |
| Machine Dimensions | |
| Dimensions (Length x Width x Height) (mm) | 12870×2550×3520 |
| Longitudinal Distance of Outriggers (m) | 5.39 |
| Transverse Distance of Outriggers (m) | 6.3 |
| Length of Main Boom (m) | 10.7~42 |
| Elevation Angle of Main Boom (°) | -2~80 |
| Length of Auxiliary Boom (m) | 8 |
| Installation Angle of Auxiliary Boom (°) | 0 、15、30 |


