PROBLEM TO BE SOLVED: To provide a harvester enabled, by improving the arrangement constitution of a fuel tank, to make a large-sized fuel tank and to simplify the structure of an exterior part.SOLUTION: A harvester comprises: a thresher 8 for threshing the crop which has been harvested by a harvesting part 4 at the front of the machine body and a fuel tank 11 such that they are arranged in the widthwise direction of the machine body, such that they include a transmission mechanism 44 inbetween for transmitting the power of an engine 10 to the thresher 8, such that the fuel tank 11 is positioned on one end side of the widthwise direction of the machine body and such that the side face of the lateral outside is exposed to the lateral outside of the airframe.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】燃料タンクの配置構成を改良することで、燃料タンクを大型のものにして燃料貯留量の増量を図ることが可能であり、しかも、外装部分の構造の簡素化が可能な収穫機を提供する。【解決手段】機体前部の収穫部4にて収穫した作物の脱穀を行う脱穀装置8と、燃料タンク11とが、機体横幅方向に並ぶ状態で、且つ、それらの間にエンジン10の動力を脱穀装置8に伝達する伝動機構44を備える状態で備えられ、燃料タンク11が、走行機体の横幅方向一端側に位置するとともに、横幅方向外方側の側面が機体横外方に露出する状態で備えられている。【選択図】図2