In May 2013, production and sales of diesel engines are respectively 310378 and 335349. The accumulative production and sales of diesel engines in 2013 are respectively 1677836 and 1670587, with separate total growth of 9.85% and 4.94%.

Top ten of accumulative sales of diesel engines in May 2013 are Guangxi Yuchai, Weichai Holdings, Anhui Quanchai, Faw, Kunming Yunnei Power, JMC, Shandong Huayuan Laidong, Dongfeng Motor, Foton and Dongfeng Chaoyang, with respective accumulative sales as follows, 329612, 235561, 223502, 186631, 99472, 96401, 78058, 75902, 65782, and 64818. In accumulative growth perspective, Kunming Yunnei Power and Dongfeng Chaoyang are negative growth with -6.71% and -8.11% growth respectively. While, Guangxi Yuchai, Weichai Holdings, Anhui Quanchai, Faw, JMC, Shandong Huayuan Laidong, Dongfeng Motor, and Foton are positive growth, with 2.44%, 19.49%, 17.34%, 1,54%, 6.33%, 12.43%, 0.89%, and 23.61% growth respectively.