| 摘要 |
With regard to a revolving working machine that a revolving body is provided on a traveling unit, rearward projection length of the revolving body 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 through which cooling air is discharged is provided in a bonnet covering the engine, and air guide plates are provided upward in the exhaust port.
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