| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an engine air supply structure of a working machine for supplying air in a position separate from the ground surface and easily installing an air supply structure therefor. <P>SOLUTION: This engine air supply structure includes a ceiling extending part 42C extended outward more than a part facing the inside of a cabin room in a ceiling part 42 of a cabin. A connecting pipe 27 ventilable over the upper surface side and the under surface side of the ceiling extending part 42C is arranged in the ceiling extending part 42C. A pre-air cleaner 20 is arranged on the upper surface side of the ceiling extending part 42C. The pre-air cleaner 20 is installed in an upper end part of the connecting pipe 27. An air cleaner arranged under the ceiling extending part 42C via the connecting pipe 27 and the pre-air cleaner 20 are ventilably connected. <P>COPYRIGHT: (C)2012,JPO&INPIT |
