ENGINE DEVICE

An issue of the present invention is to provide an engine device which is provided with an exhaust gas purification device, and which can be efficiently disposed in an engine installation space. A diesel engine 1 is provided with an exhaust gas treatment case 2 that treats exhaust gas, and an exhaust gas purification device 2 is disposed at an upper face side of the diesel engine 1. In addition, the engine device has a structure in which either the diesel engine 1 or the exhaust gas purification device 2 is provided with a temporary locking body 90, while the other one is provided with a temporary locking notch 92, in which a temporary locking body 87 or the temporary locking notch 92 is disposed below an attachment part of the diesel engine 1.