| 摘要 |
A crawler traveling type working machine, comprising: a lower traveling body provided with crawlers on left and right sides; an upper rotating body mounted on the lower traveling body through a rotating means, the upper rotating body having a first counter weight; and a second counter weight interposed between an upper part of the lower traveling body and the rotating means. With this constitution, the stability of the working machine is excellent, the obstacle avoiding function when the upper rotating body rotates is excellent, and the rear rotating radius is smaller than the normal working machine of an upper class. Therefore, the working machine can be used as a working machine of an upper class.
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