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QY55V552 truck crane is designed and developed independently in absorption of foreign advanced technology and combined with China domestic work conditions. It features hydraulic drive, full swing and lattice boom, and also the first one adoption of pilot proportional control in China domestic crawler cranes. This crane is easy operation, stable travel and reasonable arrangement in structure. The maximum lifting capacity is 55t, boom length 11.4m~43m, jib length 9.5m~16m. This crane is suitable for lifting and installation job in construction site, mine, factory and dockside. Optional mechanical grab is available for earth moving and stacking work.
Main Specifications
| Working performance | Max. rated lifting capacity | kg | 55000 |
| Max. load moment of basic boom | kN.m | 2009 | |
| Max. load moment of main boom(fully extended) | kN.m | 1050 | |
| Max. load moment of basic boom | m | 12.6 | |
| Max. lifting height of main boom | m | 43.6 | |
| Max. lifting height of jib | m | 58 | |
| Working speeds | Max. hoist rope speed(Main winch) | m/min | 120 |
| Max. hoist rope speed(Auxiliary winch) | m/min | 120 | |
| Boom demrricking up time | s | 50 | |
| Boom demrricking up time | s | 95 | |
| Slewing speed | r/min | 0-2.2 | |
| Driving parameters | Max. height above sea level | m | 2000 |
| Max. driving speed | km/h | 76 | |
| Max. gradeability | % | 40 | |
| Min. turning diameter | m | ≤24 | |
| Min. ground clearance | mm | 260 | |
| Oil consumption per hundred kilometers | L | 43 | |
| Mass | Deadweight in driving condition | kg | 42000 |
| Complete vehicle kerb mass | kg | 41870 | |
| Front axle load | kg | 16000 | |
| Rear axle load | kg | 26000 | |
| Dimensions | Overall dimensions(L×W×H) | mm | 13700×2800×3800 |
| Outrigger spread(L) | m | 5.92 | |
| Outrigger spread(W) | m | Fully extended:7.1,intermediately extended:4.8 | |
| Tail slewing radius | mm | 3900 | |
| Main boom length | m | 11.4 - 43.0 | |
| Boom angle | ° | -2 - 80 | |
| jib length | m | 9.2,14.6 | |
| Offset | ° | 5,25,45 |
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