Disclosed is an exhaust gas purification apparatus for purifying exhaust gas emitted from an engine and discharges the exhaust gas to an outside, the apparatus comprising:a body (100) formed with an opening area (110) in which one area is opened;an intake ...

A heater system of an electric construction machine according to various embodiments of the present invention is a heater system of an electric construction machine which includes: a hydraulic pump driven by an electric motor; and a main control valve for ...