EXHAUST GAS PURIFICATION APPARATUS AND CONSTRUCTION MACHINERY INCLUDING THE SAME

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 part (120) disposed on one side of the body through which the exhaust gas is introduced;a filter (140) disposed inside the body and capable of entry and exit through the opening area;a body cover (160) capable of covering the opening area;a selective reduction catalyst (151, 152) disposed with the body to reduce nitrogen oxides contained in exhaust gas passing through the filter; anda discharge part (130) through which exhaust gas having passed through the selective reduction catalyst is discharged.