Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model | STC550T6 |
| Model Abbreviation | 550 |
| Engine | |
| Model | WP10.375E53（NationalⅤ） |
| Rated Power (kW) | 276 |
| Rated Torque (N·m/r/min) | 1650 |
| Weight Parameters | |
| Operating Weight (Total Mass in Travel State) (kg) | 44000 |
| Front Axle Load (kg) | 18000 |
| Middle and Rear Axle Load (kg) | 26000 |
| Working Parameters | |
| Rated Total Lifting Capacity (kg) | 55000 |
| Outrigger Span (Longitudinal x Transverse) (m) | 6.13×7.4 |
| Maximum Moment of Basic Boom (kN·m) | 2107 |
| Maximum Lifting Height of Basic Boom (m) | 68.5 |
| Maximum Moment of Longest Main Boom (kN·m) | 1078 |
| Tail Swing Radius (mm) | 3985 |
| Operating Speed | |
| Maximum Hoisting Speed (Single Rope, Main Winch) (m/min) | 145 |
| Maximum Hoisting Speed (Single Rope, Auxiliary Winch) (m/min) | 145 |
| Boom Hoisting/Lowering Time (s) | 70/90 |
| Boom Extension/Retraction Time (s) | 380/360 |
| Horizontal Outrigger Extension/Retraction Time (s) | 20 |
| Vertical Outrigger Extension/Retraction Time (s) | 30 |
| Swing Speed (r/min) | 0~1.8 |
| Travel Parameters | |
| Maximum Travel Speed (km/h) | 90 |
| Maximum Gradeability (%) | 47 |
| Approach Angle (°) | ≥17 |
| Departure Angle (°) | ≥15 |
| Minimum Turning Radius(m) | 12 |
| Fuel Consumption per 100 km (L) | ≤40 |
| Machine Dimensions | |
| Dimensions (Length x Width x Height) (mm) | 14240×2800×3820 |
| Length of Main Boom (m) | 52 |
| Number of Boom Sections | 6 |
| Cross-sectional Shape of Main Boom | Oval |