| Dimension | Unit | QY50K-Ⅱ |
| Overall length | mm | 13750 |
| Overall width | mm | 2800 |
| Overall height | mm | 3520 |
| Weight |
| Total weight in travel | kg | 41000 |
| Front axle load | kg | 15000 |
| Rear axle load | kg | 26000 |
| Power |
| Engine model | WD615.334(domestic III) |
| Engine rated power | kW/(r/min) | 247/2200 |
| Engine rated torque | N.m/(r/min) | 1350/1400 |
| Travel |
| Max. travel speed | km/h | 80 |
| Min. turning diameter | m | 24 |
| Min. ground clearance | mm | 291 |
| Approach angle | ° | 17 |
| Departure angle | ° | 11 |
| Max. grade ability | % | 40 |
| Fuel consumption for 100km | L | 45 |
| Main performance |
| Max. rated total lifting capacity | t | 50 |
| Min. rated working radius | m | 3 |
| Turning radius at turntable tail | m | 3.482 |
| Max. lifting torque | kN.m | 1764 |
| Base boom | m | 11.3 |
| Fully extended boom | m | 42.7 |
| Fully extended boom+ jib | m | 57.7 |
| Longitudinal outrigger span | m | 5.91 |
| Lateral outrigger span | m | 6.9 |
| Working speed |
| Boom luffing time | s | 88 |
| Boom full extension time | s | 180 |
| Max. swing speed | r/min | ≥2.0 |
| Max. speed of main winch (single rope) (no load) | m/min | ≥110 |
| Max. speed of aux. winch (single rope) (no load) | m/min | ≥110 |
