PROBLEM TO BE SOLVED: To provide a corn harvester in which it is easy to prevent damage to a fuel tank while it is easy to perform work on the fuel tank.SOLUTION: A corn harvester comprises: a fuel tank 30 that is disposed between a front traveling device 1 and a rear traveling device 2 at one lateral end of a traveling vehicle body and supplies fuel to an engine and a side cover 31 that can freely switch between a covering state where the fuel tank 30 is covered on the lateral outside of the vehicle body and an uncovering state where the fuel tank 30 is uncovered on the lateral outside of the vehicle body.COPYRIGHT: (C)2015,JPO&INPIT【課題】燃料タンクの損傷を回避し易いものでありながら、燃料タンクに対する作業を行ない易いトウモロコシ収穫機を提供する。【解決手段】走行車体の横一端部における前走行装置1と後走行装置2との間に配備され、エンジンに燃料供給する燃料タンク30を備えてある。燃料タンク30の車体横外側方を覆うカバー状態と燃料タンク30の車体横外側方を開放したカバー解除状態とに切換え自在なサイドカバー31を備えてある。【選択図】図1