Highlight 1:
Leading lifting and driving performances
1. Five main U-type booms.
The boom length is 10.6m-41.0m with strong lifting performance, leading ahead of products with the same tonnages in the same industry.
2. The new power system
Platform centers on 9L high-power engine of Shanghai Diesel Engine Co., Ltd, 9-gear overgear gearbox of Shanxi Gear Auto Drive Group Co., Ltd and large-ration double reduction axes of Meritor Axle Co., Ltd. It is of superior driving performances and the maximum gradeability reaches to 41%.
| Item | QY50K | Unit | |
| Dimensions | Total length | 13100 | mm |
| Total width | 2750 | mm | |
| Total height | 3350 | mm | |
| Weight | Total weight in a traveling state | 38580 | kg |
| Front axle load | 12950 | kg | |
| Rear axle load | 25630 | kg | |
| Power | Engine model | Euro lll WD615.334/Euro ll WD615.46 | |
| Rated Engine Power | 206/2200 266/2200 | kW/(r/min) | |
| Engine rated torque | 1100/1400 1460/1400 | N.m/(r/min) | |
| Travel | Max.travel speed | 66 75 | Km/h |
| Min. turning diameter | 24 24 | mm | |
| Min. ground clearance | 285 285 | mm | |
| Approach angle | 16 16 | ° | |
| Departure angle | 11 11 | ° | |
| Max. grade ability | 27 46 | % | |
| Fuel consumption of 100km | 42 42 | L | |
| Lifting performance | Max. lifting capacity | 50 | t |
| Min. rated working radius | 3 | m | |
| Turning radius at swing table tail | 3482 | m | |
| Max. lifting torque | - | kN.m | |
| Basic boom lifting height | 1764 | m | |
| Fully-extended boom lifting height | 823.2 | m | |
| Fully-extended boom+ luffing jib | - | m | |
| Outrigger longitudinal distance span | 5.65 | m | |
| Outrigger lateral distance span | 6.6 | m | |
| Working speed | Boom elevating time | 88 | s |
| Boom full elevating time | 180 | s | |
| Max. slewing speed | 2 | r/min | |
| Main winch max. speed(single line) | 85 | m/min | |
| Auxiliary winch max. speed(single line) | 85 | m/min |