| Main parameters / Model | QTZ 125A (6018) | QTZ 125B (6515) | |
| Rated load moment | KN.m | 1250 | 1250 |
| The max lifting capacity | t | 8 | 10 |
| The max working scope | m | 60 | 65 |
| The max scope rated lifting scope | t | 1.8 | 1.5 |
| Setting height | m | 45/180 | 50/180 |
| Lifting speed | m/min | ( a=2) 80/40 | ( a=2) 80/40 |
|
|
| (a=4) 40/20 | (a=4) 40/20 |
| Derricking speed | m/min | 59/28/8.79 | 59/28/8.79 |
| Slewing speed | r/min | 0 ~ 0.62 | 0 ~ 0.62 |
| Climbing speed | m/min | 0.4 | 0.4 |
| Working temperature | ℃ | - 20 ~ + 40 | |
| Working voltage | V | 380 ± 5 % | |
| The max working wind pressure | N/㎡ | 250 | |