| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a work vehicle including a hydraulic device driving each portion by hydraulic fluid supplied from a hydraulic tank and achieving diagnosis of malfunctions of the whole hydraulic device with high accuracy. <P>SOLUTION: This work vehicle includes the hydraulic device 8 driving each portion by the hydraulic fluid supplied from the hydraulic tank 9, and a detection means 26 detecting pressure of the hydraulic fluid or the flow rate of the hydraulic fluid, and achieves the diagnosis of the malfunctions of the hydraulic device 8 based on a result detected by the detection means 26. The detection means 26 is provided to a return circuit 14 returning the hydraulic fluid to the hydraulic tank 9. <P>COPYRIGHT: (C)2013,JPO&INPIT |
