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为了提高本州～北海道间的货运能力,日本铁路货运公司于1991年2月,着手制造大功率新型内燃机车,预计在本年度末完成。新型机车装有2台1700马力(1251kW)的柴油机。它与日本传统的内燃机车不同的是,采用电力传动方式。其主要特点如下: (1)柴油机功率为现行DD51型机车的1.5倍,轮周功率为1800kW(DD51型机车约为1200kW),在牵引800t集装箱列车时的最高速度为110km/h,1000t时为100km/h。 (2)为了便于维修以及提高机车的可靠性,采用了VVVF逆变器控制的异步电动机驱
In order to improve the cargo capacity between Honshu and Hokkaido, the Japan Railway Freight Transport Company started the construction of a new high-power diesel locomotive in February 1991 and is expected to complete the end of the fiscal year. The new locomotive is equipped with two 1700 horsepower (1251kW) diesel engine. Unlike traditional diesel locomotives in Japan, it uses electric transmission. The main features are as follows: (1) The diesel engine power is 1.5 times of the current DD51 locomotive and its weekly power is 1800kW (DD51 locomotive is about 1200kW). The maximum speed when towing 800t container train is 110km / h, 100km / h. (2) In order to facilitate maintenance and improve the reliability of the locomotive, using VVVF inverter control asynchronous motor drive