PROBLEM TO BE SOLVED: To provide a muffler draining device for a working machine which allows a drain line having superior heat resistance to be reliably installed even when an apparatus or equipment is present at the position below a muffler.
SOLUTION: In a muffler draining device which is provided to a muffler 12 contained in a hydraulic excavator and equipped with a drain line for discharging water accumulated in the muffler 12 to the outside of a vehicle body, the drain line includes single metal tubing 23 whose one end 23a is connected to the muffler 12 and whose intermediate portion 23c provided continuous to the one end 23a is extended into the space formed between the muffler 12 and a hydraulic pump 11 located below the muffler 12. The intermediate portion 23c of the metal tubing 23 includes a single linear portion 23c1 and a plurality of bent portions 23c2. Also, the muffler draining device includes, for example, a single support bracket 20 which is fixed to the muffler 12 and supports the intermediate portion 23c of the metal tubing 23.
COPYRIGHT: (C)2011,JPO&INPIT