The British Rail Class 197 is a class of diesel multiple unit passenger train built by CAF, based on its Civity platform. They are operated by Transport for Wales Rail (TfW), split into 51 two-car units and 26 three-car units.

Construcciones y Auxiliar de Ferrocarriles is a Spanish publicly listed company which manufactures railway vehicles and equipment and buses through its Solaris Bus & Coach subsidiary. It is based in Beasain, Basque Autonomous Community, Spain. Equipment manufactured by Grupo CAF includes light rail vehicles, rapid transit trains, railroad cars and locomotives, as well as variable gauge axles that can be fitted on any existing truck or bogie.