COMBINE HARVESTER

PROBLEM TO BE SOLVED: To improve cleaning efficiency of exhaust gas by contriving installation positions of an exhaust gas cleaner suitable for a combine harvester.SOLUTION: A thresher 3 and a grain tank 5 are provided on one side and the other side, respectively, above a machine frame 1 equipped with a traveling device 2 thereunder. A reaping part 4 is provided in front of the machine frame 1, and a steering part 6 is provided in front of the grain tank 5. The exhaust gas of an engine 11 for driving the traveling device 2, the thresher 3, and the reaping part 4 is emitted out of the machine by an exhauster 12. The exhauster 12 is provided with the exhaust gas cleaner 15 comprising a DPF 16 in the middle of an exhaust gas tube 14 connected to the engine 11. The DPF 16 is arranged in a horizontal direction and on the front side of a threshing front panel of the thresher 3 so that the flow direction of the exhaust gas becomes horizontal to the proceeding direction of the machine.