拖拉机传动系的功用是把发动机的动力传递给行走系和液压、动力输出等装置。它由离合器、变速箱、后桥等部分组成。 一、离合器的使用和维护 离合器位于发动机和变速箱之间,它的功用是传递和切断动力,以满足拖拉机的起步、仃车和变速的需要。目前拖拉机所采用的离合器多为常接合摩擦式离合器。它由飞轮、压盘 Tractor drivetrain function is to pass the power of the engine to the traveling system and hydraulic, power output and other devices. It consists of clutch, transmission, rear axle and other components. First, the use and maintenance of the clutch Clutch is located between the engine and transmission, its function is to pass and cut off the power to meet the tractor start, stop the car and the need for speed. Tractors currently used by the clutch often friction clutch. It consists of a flywheel, pressure plate