According to statistics from the China Internal Combustion Engine Industry Association, in April 2026, sales of multi cylinder diesel internal combustion engines reached 419300 units, a month on month increase of -15.11% and a year-on-year increase of 9.970%; The sales volume from January to April was 1.6565 million units, a year-on-year increase of 10.01%. The top selling companies are Weichai, Yuchai, Quanchai, Yunnei, Xinchai, Dongfeng Cummins, Yituo, New Power Technology, Jiefang Power, and Jiangling Motors.