介绍了国家“八五”重点科技攻关项目、为铁路广深线开行160km/h准高速列车牵引用的东风11型内燃机车的总体布置、各主要部分的结构设计特点、主要技术参数及机车的设计性能。第一台样车已于1992年12月试制完成，经初步试验验证，机车各项基本性能均达到设计要求。 This paper introduces the national “85” key scientific and technological project, the general arrangement of Dongfeng-11 diesel locomotive used for trains of 160km / h quasi-high-speed trains running along the Guangzhou-Shenzhen line, the structural design features, main technical parameters, Design performance. The first prototype has been trial-produced in December 1992. After preliminary tests and verification, the basic performance of the locomotive meets the design requirements.