PROBLEM TO BE SOLVED: To provide a corn harvester in which it is easy to prevent corn plant bodies from coming into contact with an engine while it is easy to perform work such as inspection of the engine.SOLUTION: A corn harvester comprises: an engine 4a disposed between a front traveling device 1 and a rear traveling device 2 at one lateral end of a traveling vehicle body and a side cover 31 that can freely switch between a covering state where the engine 4a is covered on the lateral outside of the vehicle body and an uncovering state where the engine 4a is uncovered on the lateral outside of the vehicle body.COPYRIGHT: (C)2015,JPO&INPIT【課題】エンジンに対するトウモロコシ植物体の接触を回避し易いものでありながら、エンジンに対する点検等の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との間に配備されたエンジン4aを備えている。エンジン4aの車体横外側方を覆うカバー状態とエンジン4a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を備えている。【選択図】図1