4 ton knuckle boom crane SQ4Z
Folding arm product features
1. Advanced R&D and analysis methods ensure design reliability.
2. Four-bar linkage, stronger lifting capacity.
3. Flange telescopic boom connection structure.
4. The self-developed slewing mechanism has a strong driving force and may meet the needs of more working conditions.
5. The hexagonal boom technology has good neutrality and strong cross-section bending resistance.
6. The unique floating three-point bridge structure design can effectively reduce the additional stress on the chassis girder when the vehicle is running.
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