PROBLEM TO BE SOLVED: To provide an engine device to be mounted on a combine wherein intake/exhaust system components are efficiently and compactly arranged around a diesel engine 20 in view of the performance of the intake/exhaust system components.SOLUTION: An engine device to be mounted on a combine comprises: a diesel engine 20 disposed below a driver's seat 12 of a travel machine body 1； a DPF 65 for purifying exhaust gas from the diesel engine 20； and a tail pipe 69 connected to an exhaust gas discharge side of an exhaust gas purifying device. The DPF 65 has a form that is long along a travel direction of the travel machine body 1 above the diesel engine 20. A rear end side of the tail pipe 69 is opened toward the rear at a position lower than a lower surface of a thresher 5 of the travel machine body 1.
