| 摘要 |
PROBLEM TO BE SOLVED: To provide a construction machine that can effectively perform heat treatment of a liquid reducing agent.SOLUTION: A construction machine comprises an exhaust gas purifying device 9 for performing purification treatment of exhaust gas by injecting urea water 11 into an exhaust pipe 15 of a diesel engine 8 via a suction pipe 23 and a supply pipe 25. The urea water 11 to be supplied to an injection nozzle 21 from the suction pipe 23 of a urea water injection device 20 is heated by using the heat of exhaust gas flowing through the exhaust pipe 15 of the diesel engine 8. |
