浅析内燃机车车体国家标准修订差异OACHSSCD

The national standard GB/T 25334.1-2023,Railway locomotive carbody—Part 1:Diesel locomotive,which is implemented on January 1,2024,stipulates the environmental conditions,carbody composition,technical requirements,test methods,type inspection,marking,transportation and storage of railway diesel locomotive carbody,and applies to the standard rules of 1435 mm.A new diesel locomotive carbody with electric transmission and hydraulic transmission powered by internal combustion engine.Through comparative analysis,this paper analyzes the technical differences between it and GB/T 25334.1-2010,Technical specification for railway locomotive car body—Part 1:Diesel locomotive car body,in the aspects of technical requirements and test methods,so that the designers,manufacturers and related practitioners of diesel locomotive carbody can better understand the new standard,which makes the new standard more effective.