An engine device which can simplify a supply air cooling structure of an engine as well as simplifying a support structure of a first supercharger and a second supercharger. In an engine device in which the first supercharger and the second supercharger are arranged in series in an exhaust gas discharge channel of the engine, the first supercharger and the second supercharger are arranged in one side surface of the engine, the second supercharger is arranged so as to be close to the one side surface of the engine, and the first supercharger is arranged so as to be away from the one side surface of the engine.