PROBLEM TO BE SOLVED: To provide a harvesting machine capable of operating a reverse operation tool, while sitting on a drive seat, operatively in a state of being little mixed with another operation tool.SOLUTION: A harvesting machine comprises: a reversal mechanism for revering a work part capable of selectively changing into either a normal rotation or a reversal rotation a reversal operation tool 106 or 107 for performing an ON/OFF of the reversal mechanism manually a drive seat 15b and a side panel box 15c disposed on a transverse side of the drive seat 15b and equipped with a speed change operation tool 111. The reversal operation tool 106 or 107 is disposed between said drive seat 15b and the side panel box 15c.SELECTED DRAWING: Figure 16COPYRIGHT: (C)2016,JPO&INPIT【課題】運転座席に搭座した状態で逆転操作具を、他の操作具との紛れが少ない状態で操作性良く行えるようにする。【解決手段】正転状態と逆転状態との何れかの回転状態に選択切り換え可能な作業部を逆転させる逆転機構と、逆転機構の入り切りを手動操作で行う逆転操作具106又は107と、運転座席15bと、運転座席15bの横側方で変速操作具111が設けられたサイドパネルボックス15cとを備え、逆転操作具106又は107を前記運転座席15bとサイドパネルボックス15cとの間に装備させた。【選択図】図16