| 摘要 |
PROBLEM TO BE SOLVED: To extensively illuminate an excavation position with a sufficient light amount of a working lamp during excavating work in night. SOLUTION: An attachment bracket 26 is provided at a lower part 9B of a lower boom 9 in front of a cylinder bracket 10, while two working lamps 27 are attached to the attachment bracket 26 apart right and left. Thereby, an excavation position can be extensively illuminated with a sufficient amount of light of the working lamps 27 to improve workability of the excavating work. |
