CONSTRUCTION MACHINE

摘要

An operating oil tank (11) and a fuel tank (12) are arranged on the right front side of a rotating frame (5) for forming an upper rotating body (3). An equipment housing case (13) for forming a housing space (13A) therein is provided in front of both the operating oil tank (11) and the fuel tank (12). A control valve unit (20) which controls the supply and discharge of the operating oil and a urea aqueous solution tank (24) which stores a urea aqueous solution for removing nitrogen oxide contained in the exhaust gas of an engine (8) are arranged together within the housing space (13A) within the equipment housing case (13).