The main body of winding machine is made of cast iron. The whole machine's weight is up to 820KG, which ensures the stability of the equipment.

主体全部采用铸铁精密加工制作，单机重量820KG保证设备稳定、高速、长期运行。

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As the main stress component, box truck crane telescopic boom usually accounts for the weight machine for 13 ~ 20%, while the percentage of large cranes is greater.

箱形伸缩臂作为汽车起重机的主要受力构件，其重量一般占整机的13 ~ 20%，而大型起重机占的比例则更大。

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