To set a set traveling line into a free course, and to reduce a load on a driver.SOLUTION: An agricultural implement includes: a traveling machine body C capable of switching between manual travel by manual steering and automatic travel traveling by automatic steering along a set traveling line SL set in parallel with a reference travel line KL； and a change-over switch 50 capable of switching between the manual travel and the automatic travel.SELECTED DRAWING: Figure 6【課題】自由なコースに設定走行ラインを設定でき、且つ、運転者への負担を減らす。【解決手段】手動操舵による手動走行と、基準走行ラインＫＬに平行に設定される設定走行ラインＳＬに沿って自動操舵により走行する自動走行と、を切替自在な走行機体Ｃと、手動走行と自動走行とを切替自在な切替スイッチ５０と、を備えている。【選択図】図６
