| 摘要 |
<P>PROBLEM TO BE SOLVED: To recognize use of inferior fuel, in a working vehicle formed by arranging a fuel injection control device 22 for maintaining its rotating speed at a predetermined rotating speed corresponding to various work modes by an engine based on a prestored fuel injection quantity characteristic, in the fuel injection type engine 10 mounted on a traveling machine body. Ž<P>SOLUTION: The fuel injection control device 22 is provided with a fuel quantity detecting means 36 for detecting an actual fuel injection quantity actually consumed for maintaining the engine at the predetermined rotating speed, and a fuel check means 37 for detecting that the actual fuel injection quantity detected by this fuel quantity detecting means exceeds a target fuel injection quantity based on the fuel injection quantity characteristic. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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