| 摘要 |
With regard to a revolving working machine that a revolving body 8 is provided on a traveling unit 1, rearward projection length of the revolving body 8 from revolution center is substantially the same as distance from the revolution center to a side end of a crawler belt, and an engine is cooled by discharging air, an exhaust port 15b through which cooling air is discharged is provided in a bonnet 15 covering the engine 30, and air guide plates 16a are provided upward in the exhaust port 15b.
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