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China’s first heavy duty diesel engine passed emission durability test

Recently, Yuchai yck08 national six engine successfully completed 1460 hour emission durability test and emission certification in Tianjin (China) Automotive Technology Research Center, becoming the first national six heavy duty diesel engine to complete all type inspection items in China, marking the successful completion of yck08 emission announcement certification work.
A year ago, yck08 successfully passed the most stringent national 6B certification, becoming the first heavy duty diesel engine to obtain environmental protection information disclosure. According to the requirements, the engine still needs to carry out the emission durability test, which requires the engine to complete within one year after obtaining the environmental protection information disclosure.
As one of the test items of emission announcement certification form, the main purpose of emission durability is to determine the deterioration coefficient of engine aftertreatment system through test verification, so as to ensure that the emission durability meets the requirements of national sixth emission regulation. Therefore, Yuchai started the bench durability test in early June this year after a series of preparatory work including engine technical status, prototype production, engine performance and emission confirmation, as well as emission test certification before durability test.
In the whole durability test process, the engine did not have any fault, a total of five emission test certification including start and end were completed, all of which met the emission limit requirements.
This certification test shows that yck08 engine has fully met the requirements of emission regulations in terms of emission target achievement and durability guarantee, which is the best test of Yuchai engine quality and the best action practice of Yuchai on the management idea of “green development, harmony and win-win”.
Up to now, yck08 has been matched with Dongfeng Liuqi, Dongfeng commercial vehicle, Shaanxi Automobile commercial vehicle, Zhengzhou Yutong, Xiamen Jinlong, Suzhou Jinlong and other main engine plants, with products covering tractor, truck, engineering vehicle, bus, highway bus and many other models. ​​​​