PROBLEM TO BE SOLVED: To allow an engine device to execute both low rotation control and forced regeneration control, the engine device including an engine 70 as the power source, an exhaust gas purifying filter device 60 which is disposed in the exhaust path of the engine 70, and a control means 311 which performs low rotation control for reducing the rotational frequency of the engine to a predetermined first low rotational frequency when a preset low rotation condition is established.SOLUTION: The control means 311 is configured in such a manner that, when both the low rotation condition and a preset forced regeneration condition are established, the control means maintains the rotational frequency of the engine at a second low rotational frequency in order to minimize a reduction in the temperature of exhaust gas, the second low rotational frequency being higher than the first low rotational frequency.COPYRIGHT: (C)2011,JPO&INPIT【課題】動力源としてのエンジン70と、前記エンジン70の排気経路に配置された排気ガス浄化用のフィルタ装置60と、予め設定された低回転条件の成立時にエンジン回転数を所定の第1低回転数まで低下させる低回転制御を実行する制御手段311とを備えているエンジン装置において、低回転制御と強制再生制御との両方を実行できるようにする。【解決手段】前記制御手段311は、前記低回転条件と予め設定された強制再生条件との両方が成立したときに、排気ガス温度の低下を抑制するために、エンジン回転数を前記第1低回転数より高い第2低回転数に維持するように構成する。【選択図】図11
