Is the dual-engine brand Dongfeng Zhengchang car?

Dongfeng diesel locomotive, formerly known as Julong diesel locomotive and nd diesel locomotive, is one of the diesel locomotives used in China railway and the representative model of the first generation of electric drive diesel locomotive in China. Dongfeng diesel locomotive was trial-produced by Dalian Locomotive and Rolling Stock Works in 1958, and put into mass production in 1963 after improving the design.

The locomotive adopts 10L207E two-stroke medium-speed diesel engine copied by the Soviet Union, with rated loading power 1800 horsepower. 1972, Dalian Locomotive & Rolling Stock Works increased the locomotive construction speed from 100 km/h to 120 km/h by changing the transmission ratio of locomotive traction gears, and began mass production of Dongfeng 3 diesel locomotives for trunk passenger transport.

The total output exceeds 930 units. From11960s to11980s, Dongfeng diesel locomotive was one of the main traction powers of China railway, which was widely used in arid and water-deficient areas such as Gobi desert in northwest China, Daxing 'anling in northeast China and southwest China, with large line slope and long tunnel.

In addition, Dalian Locomotive & Rolling Stock Factory has also trial-produced a 3000 HP Dongfeng booster locomotive with a two-stage supercharge as the power device, but it has not been put into mass production.