Construction machine provided with heat exchanger

A construction machine provided with an engine room covered with a cover member, and an engine disposed in the engine room, the construction machine comprising:

• a heat exchanger which is disposed in the engine room and has a core surface;
• a top wall which covers an air inlet chamber formed on an air inlet side of the heat exchanger in the engine room from above and has a first air inlet for drawing an external air into the air inlet chamber therethrough;
• a duct including a main wall guiding an air in the air inlet chamber to draw the air through the core surface of the heat exchanger, and a front wall located on an air inlet side of the core surface to face the core surface, the front wall being formed with a second air inlet;
• a cooling fan which sucks the external air downward into the air inlet chamber through the first air inlet to draw the external air onto the core surface of the heat exchanger through the second air inlet of the duct;
• and
• an air cleaner which is disposed outside the duct in the air inlet chamber to filter an engine inlet air, the air cleaner disposed, in a posture extending horizontally and orthogonally to a direction in which the main wall of the duct guides the air, at such a position that at least a part of the air cleaner is located vertically in a region where the second air inlet is formed, and that the air cleaner itself directs, toward the second air inlet, at least an air flow farthest from the duct, out of the air flow drawn downward through the first air inlet.