There is much need for a combine harvester which is capable of reliably bringing grain culms into contact with a grain culm sensor so as to improve the detection accuracy of the gain culm sensor. This combine harvester is provided with: a harvest frame 11 that receives grain culms cut by a reaping device a rake in auger 12 that is disposed within the harvest frame 11 so as to be rotatable about a rotary shaft center X1 extending in a right left direction of the harvester body that conveys the grain culms inside the harvest frame 11 in a right left direction of the harvester body and that rakes in the grain culms toward the rear of the harvester body and a feeder 13 that is communicatively connected to a rear wall of the harvest frame 11 and that conveys the grain culms raked in by the rake in auger 12 toward the rear of the harvester body. A grain culm sensor 25 that when grain culms make contact therewith detects the presence of such grain culms is disposed at a grain culm inlet 24a in the feeder 13.
