| 摘要 |
PROBLEM TO BE SOLVED: To prevent heat of a hydraulic oil tank to affect on an operator's seat side. SOLUTION: The operator's seat 17 and the hydraulic oil tank 41 disposed in one side of the left/right sides of the operator's seat 1 are provided on a turning table 3, a side plate cover 43 is fitted to the side face of the hydraulic oil tank 41 in the side of the operator's seat 17 at a clearance S spaced therebetween, and a side part bonnet cover 44 surrounding the hydraulic oil tank 41 along with the side plate cover 43 is provided to the side plate cover 43 and the turning table 3 so as to be freely opened and closed.
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