PROBLEM TO BE SOLVED: To provide a combine which enables a first case 75 and a second case 229 to be supported in a compact manner and enables easy improvement of support rigidity of the first case 75 and the second case 229.SOLUTION: A combine includes: a first case 75 which removes particulate substances in an exhaust gas of a diesel engine 14； and a second case 229 which removes nitrogen oxide substances in the exhaust gas of the engine 14. The first case 75 is provided in a vertical placed posture so as to face an engine room 97 or a milling device 5, and the second case 229 is provided above the first case 75 in a vertical placed posture.SELECTED DRAWING: Figure 6
