Problem to be solved: to provide a harvest machine which does not require a teaching running operation requiring skill, and runs an automatic travel route with simple calculation.The harvest machineAn inner map creating section 414B, which creates an inner map data indicative of a polygonal shape in an unworking region, which is an inner region of the outer peripheral region formed in the outer periphery of the field by surrounding cutting operation, andAn initial reference line calculating section 411 for calculating an initial reference line parallel to one side of an unworking region from the inner map data andThe next reference line calculating section 412 which sequentially calculates the next reference line next to the initial reference lineAn automatic travel control unit 512 for automatically running an initial reference line and a reference reference line as a traveling route, andThe manual running control section 511 is provided with a manual traveling control section 511 for shifting the turning transition to the automatic running using the next traveling route from the automatic travel using the previous travel route.Diagram【課題】熟練が必要なティーチング走行を必要とせず、算出が簡単な走行経路で自動走行する収穫機の提供。【解決手段】収穫機は、周囲刈り走行によって圃場の外周部に形成された外周領域の内側の領域である未作業領域の多角形形状を示す内側マップデータを作成する内側マップ作成部４２２ｂと、内側マップデータから未作業領域の一辺に平行な初期基準線を算出する初期基準線算出部４１１と、初期基準線の次となる次基準線を順次算出する次基準線算出部４１２と、初期基準線及び次基準線を走行経路として自動走行を行う自動走行制御部５１２と、先の走行経路を用いた自動走行から次の走行経路を用いた自動走行へ移行するための旋回移行走行を手動操作信号に基づいて行う手動走行制御部５１１とを備える。【選択図】図８
