自1963年以来,所有新造货车均装置了Ⅲ-1-TM型缓冲器(六边形,第一种,热处理,经改造的)。该缓冲器采用了经压缩处理的螺旋弹簧。改进自动车钩缓冲装置的问题对于增加车辆载重量和列车的吨位以及相应的机车牵引功率均具有重要意义,此外,还直接影响到能否在调车场上提高车辆的许用碰撞速度。从1939年起全部货车都装备了Ⅲ-1-T型螺 All new trucks have been fitted with Type III-1-TM buffers (hexagonal, first, heat treated, modified) since 1963. The buffer uses a compression-treated coil spring. The improvement of the auto coupler damping device is of great significance for increasing the vehicle load and the tonnage of the train as well as the corresponding traction power of the locomotive and also directly affects the allowable collision speed of the vehicle which can be increased on the yard. All trucks have been equipped with Type III-1-T screws since 1939