| Main parameters / Model | QTZ40 (TC4208) | QTZ40 (TC4708) | QTZ40 (TC4808) | QTZ40 (TC4810) | |
| Rated load moment | KN.m | 400 | 400 | 400 | 400 |
| The max lifting capacity | t | 4 | 4 | 4 | 4 |
| The max working scope | m | 42 | 50 | 55 | 56 |
| The max scope rated lifting scope | t | 0.8 | 0.8 | 0.7 | 1.0 |
| Setting height | m | 30/100 | 30/120 | 30/120 | 30/120 |
| Lifting speed | m/min | ( a=2) 59/27/6 | ( a=2) 59/27/6 | ( a=2) 59/27/6 | ( a=2) 59/27/6 |
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| (a=4) 30/12.3/3 | (a=4) 30/12.3/3 | (a=4) 30/12.3/3 | (a=4) 30/12.3/3 |
| Derricking speed | m/min | 38/26 | 38/26 | 38/26 | 38/26 |
| Slewing speed | r/min | 0 ~ 0.62 | 0 ~ 0.62 | 0 ~ 0.62 | 0 ~ 0.62 |
| Climbing speed | m/min | 0.4 | 0.4 | 0.4 | 0.4 |
| Total motor power | kw | 25.12 | 25.12 | 25.12 | 25.12 |
| Working temperature | ℃ | - 20 ~ + 40 | |||
| Working voltage | V | 380 ± 5 % | |||
| The max working wind pressure | N/㎡ | 250 | |||