Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model | QY40KC |
| Model Abbreviation | 40 |
| Engine | |
| Model | SC9DF340Q5 |
| Rated Power (kW) | 251/1900 |
| Rated Torque (N·m/r/min) | 1450/1100-1400 |
| Weight Parameters | |
| Curb Weight (kg) | 39400 |
| Front Axle Load (kg) | 6890 |
| Middle and Rear Axle Load (kg) | 12810 |
| Working Parameters | |
| Rated Total Lifting Capacity (kg) | 40000 |
| Outrigger Span (Longitudinal x Transverse) (m) | 5.975×7.1 |
| Maximum Moment of Basic Boom (kN·m) | 1574 |
| Maximum Moment of Longest Main Boom (kN·m) | 988 |
| Operating Speed | |
| Maximum Hoisting Speed (Single Rope, Main Winch) (m/min) | ≥130 |
| Maximum Hoisting Speed (Single Rope, Auxiliary Winch) (m/min) | ≥130 |
| Boom Hoisting/Lowering Time (s) | ≤40 |
| Boom Extension/Retraction Time (s) | ≤80 |
| Swing Speed (r/min) | ≥2.5 |
| Travel Parameters | |
| Maximum Travel Speed (km/h) | ≥90 |
| Maximum Gradeability (%) | ≥45 |
| Approach Angle (°) | 19 |
| Departure Angle (°) | 15 |
| Minimum Turning Diameter (m) | ≤24 |
| Minimum Ground Clearance (mm) | 293 |
| Braking Distance (m) | ≤10 |
| Machine Dimensions | |
| Dimensions (Length x Width x Height) (mm) | 13745×2800×3560 |
| Longitudinal Distance of Outriggers (m) | 5.975 |
| Transverse Distance of Outriggers (m) | 7.1 |
| Length of Main Boom (m) | 44 |
| Length of Auxiliary Boom (m) | 16 |
| Extended Length of Boom + Auxiliary Boom (m) | 60 |
| Installation Angle of Auxiliary Boom (°) | 0/15/30 |
| Number of Boom Sections | 5 |


