本文介绍了东北高寒地区以0号柴油作为东风_4型机车长期使用的燃料,以代替冬季换用的、价格较贵的-35号轻柴油的试验情况。文中又介绍了利用机车冷却水系统的热量对燃油系统进行加温、保温,可以实现严冬季节机车使用0号柴油的设想,且有一定的经济效益。 This paper introduces the long-term use of No.0 diesel as Dongfeng-4 locomotive in the northeastern alpine region to replace the more expensive -35 light diesel used in winter. The paper also introduced the use of locomotive cooling water heating system of the fuel system, insulation, winter locomotive can achieve the idea of ​​using No. 0 diesel, and have some economic benefits.