PROBLEM TO BE SOLVED: To provide a harvester capable of arranging a fuel tank of a large capacity while preventing the increase in size of a body frame.SOLUTION: A harvester comprises a grain tank E for grain reservation and a fuel tank 40 in an adjoining state. The grain tank E is formed with a recessed part 22 in the wall surface on the side opposing the fuel tank 40, and the fuel tank 40 is arranged to enter the recessed part 22.SELECTED DRAWING: Figure 4