| 摘要 |
PROBLEM TO BE SOLVED: To provide the subject grain tank additionally provided with a positive dust removing method without being influenced by the wind direction by composing the grain tank so as to deliver dust in the grain tank according to a specific method. SOLUTION: This grain tank 12 in a grain harvester comprising a threshing device and a driver's seat, etc., loaded on a frame having mobile devices, a pretreating device comprising a reaping device and a grain clum conveying device, etc., and arranged at the front and the grain tank 12 for temporarily storing grains installed on the other side of the threshing device is composed so as to deliver dust in the grain tank 12 with an exhaust gas of an engine. A grain discharging port 8a opened to the grain tank 12 can be composed so as not to be below the lower side position of a grain charging port 11a of a grain elevating conveyor 11 so that the dust in the grain tank 12 is delivered with the exhaust gas of the engine.
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