PROBLEM TO BE SOLVED: To provide a combine harvester including, above a threshing part, a tail pipe of an exhauster capable of exhausting exhaust gas from a machine body efficiently to a separate direction.SOLUTION: In a combine harvester including a grain tank 17 for storing rough rice after being reaped, threshed and sorted, and an exhauster 41 for exhausting exhaust gas from an engine 34 with reduced exhaust sound, a tail pipe 61 of the exhauster 41 is extended toward an upside of a machine body 13 on a back of the engine 34, and then extended toward a backside of the machine body 13 after arrival at an upside of a threshing part 15 between the grain tank 17 and the threshing part 15.
