The draft gear system is one of the most important devices of the vehicle through which the locomotive or vehicle is connected with the vehicle. It can transmit, alleviate traction and impact force when the vehicle is running or shunting. Draft gear system consists of couplers, buffers, yokes, yoke pins, strikers, followers and other parts. Front follower, draft gear and rear follower are installed inside the yoke pocket and through yoke pin, coupler and yoke are working as a whole to perform three major functions, i.e., coupling, traction and buffer.
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