... The engines produced by Yuchai include series YC6G, YC4G, YC4E to which American technology applied, series YC6A, YC6B, YC6J, YC4B, YC4D ... , YC4F, YC4W to which German technology applied, and YC6M series ... in which world top technology integrated, totally 12 series. YUCHAI SeriesPower(KW)Power( ...