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对东风7E型机车装用标定功率为 2 4 0 0kW的 1 2V2 4 0ZJ6E型柴油机的牵引性能和经济性进行了分析 ,阐述了装车技术方案 ,指出东风7E型机车换装 1 2V2 4 0ZJ6E型柴油机后可以显著提高牵出作业效率 ,更好地满足运用需求 ,同时与东风1 2 型机车作了简单对比。
The traction performance and economy of 1 2V2 4 0ZJ6E diesel engine fitted with a rated power of 240kW for Dongfeng 7E locomotive are analyzed. The technical scheme of loading is expounded. It is pointed out that the Dongfeng 7E locomotive is equipped with 1 2V2 4 0ZJ6E diesel engine After can significantly improve the efficiency of pull out operations to better meet the operational needs, and made a simple comparison with the Dongfeng 12 locomotive.