| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an arrangement structure for a liquid reducing agent tank for an NOx reduction catalyst for preventing freezing of the liquid reducing agent. SOLUTION: In a vehicle or a machine using an engine with an NOx reduction catalyst using the liquid reducing agent easy to freeze, a liquid reducing agent tank 25 is arranged at a heat insulating portion in the vehicle or the machine. For instance, the tank 25 is arranged at (1) or (2) inside an engine room 4 provided in an upper revolving body 1 in a hydraulic excavator, (3) in the vicinity of a hydraulic pump 22, (4) in the vicinity of a valve 21, (5) within a driver's cab 2, (b) in the vicinity of a hydraulic fluid tank 23 or (9) in the vicinity of a hydraulic motor 26.</p> |
