PROBLEM TO BE SOLVED: To eliminate risk of fire and improve maintainability of an exhaust gas cleaning device by suppressing excessive increase of a surface temperature of the exhaust gas cleaning device and reducing accumulation of dust and so on.SOLUTION: In a combine, a reaping part is arranged in the front of a machine body a threshing part is arranged in one side of the machine body an operation part and a grain storage part are arranged in the other side of the machine body in a front-back direction the threshing part and the grain storage part are arranged adjacent to each other in a right-left direction a diesel engine is arranged in a front portion of the machine body and an exhaust gas cleaning device is connected to an exhaust port part of the diesel engine via an exhaust pipe. The exhaust gas cleaning device has an extended form in the front-back direction and is arranged in a required space formed between the threshing part and the grain storage part adjacent to each other in the right-left direction.
