To perform an effective work by suppressing erroneous detection.SOLUTION: A harvester includes a thresher for threshing harvested crops, a shredder 12 for shredding stem culms after being threshed by the thresher, a vibration sensor 39 for detecting vibration of the shredder 12, a notification part 45, a measurement part 51 for measuring a time when a detection value by the vibration sensor 39 exceeds continuously a prescribed threshold, as a continuous abnormal time, and an announcement command part 48 for allowing the notification part 45 to provide a notification of warning when the continuous abnormal time exceeds a prescribed time.SELECTED DRAWING: Figure 8【課題】振動の誤検出を抑制し、効率的な作業を行うことを目的とする。【解決手段】収穫した作物を脱穀処理する脱穀装置と、脱穀装置による脱穀処理後の茎稈を細断処理する細断装置１２と、細断装置１２の振動を検出する振動センサ３９と、報知部４５と、振動センサ３９の検出値が連続して所定のしきい値を超えた時間を連続異常時間として計測する計測部５１と、連続異常時間が所定の時間を超えた場合に報知部４５に警告を報知させる報知指令部４８とを備える。【選択図】図８
