PROBLEM TO BE SOLVED: To provide a combine harvester which can surely discharge a prescribed amount of grains with an easy operation.SOLUTION: The combine harvester includes an unloader that discharges grains in a grain tank, and a detection means 20 that detects the amount of the grains discharged from the unloader, and is also includes a control means 22 that stops the discharge of grains by the unloader when the detection means 20 detects that a set amount of grains are discharged after the discharge of the grains by the unloader is begun.
