| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of a conventional combine harvester in which, although the powered rotation of a reaping input shaft is limited in one direction with a pawl type one-way clutch to avoid the trouble of tines or the like by their reverse rotations, the one-way clutch has low durability because of being built in a pulley or the like, and further to solve the problem of the conventional combine harvester whose engine is fixed to a chassis through vibration-proof elastomer members to reduce vibrations and noises but is contrarily largely vibrated or makes large noises in dependence on the direction of outer loads applied to the output shaft of the engine. SOLUTION: This combine harvester having a counter case 64 for changing and controlling a power from the engine 35 or the like and transmitting the power to the treating systems of a reaping section and the like, respectively, and having a vehicle speed-synchronizing input shaft portion 62 in the counter case 64 is characterized by disposing the pawl type one-way clutch 159 in the vehicle speed-synchronizing input shaft portion 62 and further more enhancing the elastic constant of vibration-proof members 89, 90 on the side of a fly wheel 59 disposed in the belt-driving portion of the engine 35 than that of the vibration-proof members 87, 88 on the side of a drive shaft 63.
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