| Dimension | Unit | QY90K |
| Overall length | mm | 14700 |
| Overall width | mm | 2800 |
| Overall height | mm | 3900 |
| Weight | ||
| Total weight in travel | kg | 53000 |
| Front axle load （axle 1, 2, 3） | kg | 9000/9000/13000 |
| Rear axle load （axle 4, 5） | kg | 13000/9000 |
| Power | ||
| Engine model | WP12.430E40/OM460LA.E3B/5 | |
| Engine rated power | kW/(r/min) | 316/1900 315/1800 |
| Engine rated torque | N.m/(r/min) | 2060/1400 2100/1100 |
| Travel | ||
| Max. travel speed | km/h | 80 |
| Min. turning diameter | m | 23 |
| Min. ground clearance | mm | 315 |
| Approach angle | ° | 20 |
| Departure angle | ° | 16 |
| Max. grade ability | % | 45 |
| Fuel consumption for 100km | L | 60 |
| Main performance | ||
| Max. rated total lifting capacity | t | 90 |
| Min. rated working radius | m | 3 |
| Turning radius at turntable tail | m | 4.59 |
| Max. lifting torque | kN.m | 3450 |
| Base boom | m | 13.5 |
| Fully extended boom | m | 51 |
| Fully extended boom+ jib | m | 73.1 |
| Longitudinal outrigger span | m | 7.505 |
| Lateral outrigger span | m | 7.1 |
| Working speed | ||
| Boom luffing time | s | 75 |
| Boom full extension time | s | 160 |
| Max. swing speed | r/min | ≥2 |
| Max. speed of main winch (single rope) (no load) | m/min | ≥105 |
| Max. speed of aux. winch (single rope) (no load) | m/min | ≥104 |