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一、前言由于国内、国际形势一派大好,我国旅客列车迫切需要改用内燃牵引。现除了正在积极进行新型大功率内燃机车的试制工作外,同时也对货运东风型内燃机车进行了一些改造。东风1656号和1657号就是最先改造出来的两台客运内燃机车。为了考核改造后的机车是否能担当高速旅客列车的牵引动力,并为几条主要干线旅客列车采用内燃牵引提供资料,交通部机辆组于1972年年初组织了几次运行试验。
I. Preface Due to the excellent domestic and international situation, China’s passenger trains urgently need to switch to internal combustion traction. In addition to being active in the trial production of new high-power diesel locomotives, some modifications have been made to the DFW diesel locomotives. Dongfeng 1656 and 1657 are the first two passenger diesel locomotives to be renovated. In order to assess whether the modified locomotive can act as a traction power for high-speed passenger trains and provide information on internal combustion traction for several major passenger trains, the Ministry of Communications Vehicle Group organized several operation tests in early 1972.