To improve the appearance of a hydraulic hose routing for attachment and prevent interference in a working device provided with an offset boom of a hydraulic excavator.
The working device 13 is provided with a lower boom member 15, an upper boom member 17, a cylinder support member 19, and a stick 22 turned by a stick cylinder 21. A plurality of hydraulic hoses 45, 46 for attachment are arranged as pipes 41 for attachment for supplying hydraulic fluid to the attachment mounted in a tip part of the stick 22 along one side face of the upper boom member 17, the cylinder support member 19, and the stick 22 from the lower boom member 15. A tube 55 having fixed shape is arranged from a tip of the hydraulic hose 46 for attachment to the other side face of the stick 22 by getting over a rear face of the stick 22.
RIYUUDO KOSUKE
HASHIMOTO TETSUO
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Satoshi Kabazawa
Tetsuya Yamada