| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a construction machine capable of adequately performing scheduled work depending on the residual quantity of liquid reducer.SOLUTION: A shovel relating to the embodiment of this invention includes a hydraulic actuator to be operated with operating oil discharged by engine-driven hydraulic pumps 14R, 14L, and an exhaust emission control system 32 using urea water for controlling exhaust emission. It further includes a residual quantity detecting part 300 for detecting the residual quantity of the urea water, and a pump output control part 301 for controlling the pump outputs of the hydraulic pumps 14R, 14L on the basis of the residual quantity of the urea water and a shovel operating time.</p> |
