Combine harvester

The invention provides a combine harvester, which can prevent an operator from contacting with a conveying device for conveying grain stalks along a threshing port of a threshing device during maintenance and inspection of the harvesting device, and can safely perform maintenance and inspection of the harvesting device. A harvesting device (3) for harvesting grain stalks, a threshing device (4) for threshing the grain stalks on the rear side of the harvesting device (3), and a conveying device (50) for conveying the grain stalks from the harvesting device (3) to the threshing device (4) are arranged on the front side of a machine body frame (1) on which an engine is mounted, and a fulcrum shaft (31) is arranged on the machine body frame (1). A harvesting arm (32) for switching the harvesting device (3) between a storage posture and an open posture is provided, a conveying arm (33) for switching the conveying device (50) between a storage posture and an open posture is provided, the harvesting arm (32) and the