Ini derek di atas kepala 20 ton adopts frequency conversion control. The crane is mostly used in machinery manufacturing, assembly, warehouses and other places where the frequency of use is low or the number of rated lifting times is small.
| Model | AQ-LD |
| Load capacity | 20 ton |
| Rentang | 7.5-31.5m |
| Mengangkat tinggi | 6-30m |
| Kecepatan angkat | 0.3-8m/min |
| Hoist running speed | 20m/min |
| Crane running speed | 20m/min |
| Tugas kerja | A3, A4 |
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