PROBLEM TO BE SOLVED: To provide a combine-harvester 1 capable of arranging an operation tool properly in consideration of the operation frequency of the operation tool while aiming at the improvement of a working efficiency, by improving the operability of an operation tool (an operation lever, a switch or setter) to be disposed in an operation part A thereby to reduce the fatigue of an operator.SOLUTION: A combine-harvester comprises: an operation box over one side from the front of a driver's seat 31 mounted in an operation part A； an operation tool 38 for turning a machine body 3 and for lifting and falling a cutting part, and an operator group to be used during a cutting and threshing work being shared on the right and left sides of a liquid crystal monitor 40 on the side of the front part 27 of the operation box； operation tools 62 and 63 on the side of a side part 29 of the operation box at the back of the operation tool group； and operation tools 44 and 46 of the higher operation frequency in the operation tool group being arranged on the side of the liquid crystal monitor 40 the closest to the driver seat 31.SELECTED DRAWING: Figure 4【課題】操縦部Ａに設ける操作具（操作レバー、スイッチ、設定器）の操作性を向上させて、オペレータの疲労を軽減して作業能率を向上させることを主眼として、そこに、操作具の操作頻度を考慮して操作具を適正に配置することができる、コンバイン１を提供する。【解決手段】操縦部Ａに設ける運転席３１の前方から一側方に亘って操作ボックスを立設し、操作ボックスの前部２７側に液晶モニタ４０を中央として、その左右側に機体の旋回や刈取部の昇降を行う操作具３８と刈取り脱穀作業中に使用する操作具群を振り分けて設けると共に、操作具群の後方となる操作ボックスの側部２９側に機体３の走行変速を行う操作具６２、６３を設け、また、操作具群の内、操作頻度の高い操作具４４、４６を最も運転席３１に近い液晶モニタ４０側に配置する。【選択図】図４
