PROBLEM TO BE SOLVED: To provide a combine harvester having a simplified structure in a combine harvester that dividedly transmits an engine power to a traveling part side and a reaping part side and drives a threshing side output shaft by power divided to the reaping part side.SOLUTION: In the combine harvester which is equipped with a traveling machine body 2 having traveling parts 1R and 1L, the reaping part 3 that is connected to the traveling machine body 2 and reaps grain culms in a field, a threshing cylinder 11 for threshing reaped grain culms and a power transmission mechanism 21 for dividedly transmitting power of an engine 19 to the sides of the traveling parts 1R and 1L and the side of the reaping part 3 in which the power transmission mechanism 21 changes gear and transmits power divided to the side of the reaping part 3 through a gear case 33 to the reaping part 3 and rotates and drives the threshing side output shaft S12 for outputting power to the side of the threshing cylinder 11 by power divided to the side of the reaping part 3, the gear case 33 is equipped with the threshing side output shaft S12 so that power in the gear case 33 is divided and transmitted to the threshing side output shaft S12.COPYRIGHT: (C)2010,JPO&INPIT【課題】エンジン動力を走行部側と刈取部側とに分岐させて伝動するとともに、脱穀側出力軸を刈取部側に分岐した動力によって駆動させるコンバインにおいて、構造が簡略化されたコンバインを提供することを課題とする。【解決手段】本発明は、走行部1L,1Rを有する走行機体2と、走行機体2に連結されて圃場穀稈を刈取る刈取部3と、刈取穀稈の脱穀処理を行なう扱胴11と、エンジン19の動力を走行部1L,1R側と刈取部3側とに分岐させて伝動する動力伝動機構21とを備え、該動力伝動機構21が、刈取部3側に分岐した動力をギヤケース33を介して刈取部3に変速伝動するとともに、扱胴11側に動力を出力する脱穀側出力軸S12を刈取部3側に分岐した動力によって回転駆動させるコンバインにおいて、ギヤケース33内の動力が分岐されて脱穀側出力軸S12に伝動されるように前記ギヤケース33に前記脱穀側出力軸S12を設ける。【選択図】図3
