Nationale Maatschappij der Belgische Spoorwegen, NMBS; French: Société nationale des chemins de fer belges, SNCB; German: Nationale Gesellschaft der Belgischen
The NMBS/SNCB Type 12 was a class of 4-4-2 steam locomotives built in 1938–1939 for the fast lightweight Ostend boat trains operated by the National Railway