4-6-2 Pacific steam locomotives that were built from 1914 to 1923 by the North British Locomotive Company. #558 now pulls scenic passenger trains in Brittany, France; it was originally operated by SNCF on runs to Paris.The 231 G Ouest were a class of
- Its wheels make a brief appearance in Flik's Musical Adventure at Disney's Animal Kingdom.
- Also seen briefly in Poirot: Murder on the Links.
- In the summer of 2007, 231 G 558 could be found running daily on the branch line between Paimpol and Pontrieux in northern Brittany.