Prussian G 12 (CFOA type)

They were assigned to the Military Directorate General in Brussels (Militär-Generaldirektionsbezirk Brüssel) as G 12 numbers 5551 to 5555.

The other three locos went to the Belgian State Railways, who classed them in Type 92 (9251, 9253 and 9255) before quickly selling them in 1927 to the Société Luxembourgeoise des Minières et Chemins de Fer Prince Henri (Prince Henry Railway and Mining Company) in Luxembourg, where they were classified as O'.

During the occupation of Luxembourg during World War II, these three locomotives were taken into the Reichsbahn's inventory as 58 601 to 58 603.

After the war, the newly founded state railway of Luxembourg Société Nationale des Chemins de Fer Luxembourgeois (CFL) took over the Prince Henry Railway and its locomotive fleet; the series O' receiving the new classification 53.

The ten copies delivered to CFOA were taken over by the newly founded state railway of Turkey Türkiye Cumhuriyeti Devlet Demiryolları (TCDD).