... 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 ...