China Yuchai International Ltd. says that its main operating subsidiary, Guangxi Yuchai Machinery Co. Ltd., has introduced 12 new engines to be launched this year.

Seven of the models are National V-compliant natural gas engines, and the other five models are National IV-compliant diesel engines. The new YC4DN-50, YC4GN-50, YC6JN-50, YC6GN-50, YC6LN-50, YC6MKN- 50 and YC6KN-50 natural gas engines cover the 120-440 hp range, according to the company. The five new diesel engines include the model YC4S as a new platform, and the YC4EG and YC6A-45 models, which have been upgraded from their original platform, as well as truck-specific models like the YC6J-46 and YC6A-46, the company adds.