| Dimension | Unit | QY8B.5 |
| Overall length | mm | 9450 |
| Overall width | mm | 2400 |
| Overall height | mm | 3180 |
| Weight |
|
|
| Total weight in travel | kg | 10490 |
| Front axle load | kg | 2800 |
| Rear axle load | kg | 7690 |
| Power |
|
|
| Engine model | YC4E140-30 | |
| Engine rated power | kW/(r/min) | 105/2500 |
| Engine rated torque | N.m/(r/min) | 500/1600 |
| Travel |
|
|
| Max. travel speed | km/h | 75 |
| Min. turning diameter | mm | 16000 |
| Min. ground clearance | mm | 260 |
| Approach angle | ° | 29 |
| Departure angle | ° | 11 |
| Max. grade ability | % | 28 |
| Fuel consumption for 100km | L | 25.5 |
| Main performance |
|
|
| Max. rated total lifting capacity | t | 8 |
| Min. rated working radius | m | 3 |
| Turning radius at turntable tail | m | 2.254 |
| Max. lifting torque | KN.m | 245 |
| Base boom | m | 8.2 |
| Fully extended boom | m | 19 |
| Fully extended boom＋jib | m | 25.3 |
| Longitudinal outrigger span | m | 3.825 |
| Lateral outrigger span | m | 4.18 |
| Working speed |
|
|
| Boom lifting time | s | 28 |
| Boom full extension time | s | 31 |
| Max. swing speed | r/min | 2.8 |
| Main winch single-pump/dual-pump converging (single rope) | m/min | 53/110 |