PROBLEM TO BE SOLVED: To provide a crop harvester in which a transmission passage to a pulling conveyor, pull-out devices and a shoulder aligner is simply constituted, and which is favorable in maintenance and light in weight.SOLUTION: In a working machine which comprises pull-out devices 41, 63 for pulling out the foliage of crops to a front side of a machine body, a pulling conveyor 20 for gripping and pulling the foliage of the crops, and a shoulder aligner 51 for aligning cutting heights of the foliage of the crops, an input shaft 12L and an output shaft 12R for supplying a drive force to the pulling conveyor 20 are arranged, a first transmission case 200 for transmitting the drive force to the output shaft 12R from the input shaft 12L is arranged, and second transmission cases 206, 206 for transmitting the drive forces to the pull-out devices 41, 63 and the shoulder aligner 51 are arranged at the input shaft 12L and the output shaft 12R, respectively.COPYRIGHT: (C)2015,JPO&INPIT【課題】引抜搬送装置、引起し装置及び肩揃え装置への伝動経路を簡潔に構成し、メンテナンス性がよく、且つ軽量な作物収穫機を提供する。【解決手段】機体の前側に作物の茎葉部を引き起こす引起し装置41,63と、作物の茎葉部を挟持して引き抜く引抜搬送装置20と、作物の茎葉部の切断高さを揃える肩揃え装置51とを備える作物収穫機において、引抜搬送装置20に駆動力を供給する入力軸12Lと出力軸12Rを設け、入力軸12Lから出力軸12Rに駆動力を伝動する第1伝動ケース200を設け、入力軸12Lと出力軸12Rに、引起し装置41,63と肩揃え装置51に駆動力を伝動する第2伝動ケース206,206を各々設けて構成する。【選択図】図4