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Initially, excavators were manual, and from their invention to2013It has been over 130 years since the beginning of the year, during which it has undergone a gradual development process from steam driven bucket rotary excavators to electric and internal combustion engine driven rotary excavators, and fully automatic hydraulic excavators using mechatronics and hydraulic integration technology. The first hydraulic excavator was successfully invented by the Poclain factory in France. Due to the application of hydraulic technology,20century40In the era, hydraulic backhoe ground mounted excavators were installed on tractors.
