China boom truck crane QY50KA QY55KC 55t hydraulic 50 ton 75 ton mobile truck crane for sale
The truck crane is the most popular model of China 25t truck crane, It is widely used for lifting operation and installation work in urban renewal, transportation, ports, bridges, oilfield, industrial and mining enterprises, etc.Bi-hexagonal cross-section boom has small depth-width ratio, strong bearing capacity, small deformation, strong anti-bending and powerful lifting capacity.Open fixed displacement pump and variable displacement motor system is adopted. The load sensitive system that researched and developed by ourselves contributes to smooth operation, high efficiency and energy saving. High pressure variable displacement motor contributes to light load with high speed and heavy load with low speed.
| Dimension | Unit | QY25K-II |
| Overall length | mm | 12650 |
| Overall width | mm | 2500 |
| Overall height | mm | 3380 |
| Weight | ||
| Total weight in travel | kg | 29400 |
| Front axle load | kg | 6200 |
| Rear-axle load | kg | 23200 |
| Power | ||
| Engine model | SC8DK280Q3 / WD615.329(domestic III) | |
| Engine rated power | kW/(r/min) | 206/2200 213/2200 |
| Engine rated torque | N.m/(r/min) | 1112/1400 1160/1400 |
| Travel | ||
| Max. travel speed | km/h | 75 |
| Min. turning diameter | m | 21.5 |
| Min. ground clearance | mm | 275 |
| Approach angle | ° | 16 |
| Departure angle | ° | 13 |
| Max. grade ability | % | 30 |
| Fuel consumption for 100km | L | ≈37 |
| Main performance | ||
| Max. rated total lifting capacity | t | 25 |
| Min. rated working radius | mm | 3000 |
| Turning radius at turntable tail | m | 3.065 |
| Max. lifting torque | kN.m | 1010 |
| Base boom | m | 10.7 |
| Fully extended boom | m | 34.19 |
| Fully extended boom+jib | m | 42.15 |
| Longitudinal outrigger span | m | 5.14 |
| Lateral outrigger span | m | 6 |
| Working speed | ||
| Boom luffing time | s | 75 |
| Boom full extension time | s | 100 |
| Max. swing speed | r/min | ≥2.5 |
| Max. speed of main winch (single rope) | m/min | ≥120 |
| Max. speed of aux. winch (single rope) | m/min | ≥120 |