| 摘要 |
PROBLEM TO BE SOLVED: To prevent degradation of working efficiency by supplying urea water.SOLUTION: A tractor loading an urea selective catalytic reduction (SCR) system of a diesel engine (E), is provided with control means (100) for promoting supply of urea water by notifying means, when a level sensor (78) of an urea water tank (80) detects a prescribed value or less in removing a fuel cap (3a) of a fuel tank (3). The supply of the urea water is promoted by the notifying means, when the level sensor (78) of the urea water tank (80) detects the prescribed value or less even when the fuel cap (3a) is not removed. |
