 They were renumbered 141.B.001 to 141.B.250 by the SNCF in 1938 and ended their career in the West of France at the end of the 1960s.The engines were capable of a speed of up 100 km/h.Their light weight per axle made them capable of hauling both passenger and goods trains on most of the "Chemins de Fer de l'État"’s network and of the former "Chemins de Fer de l'Ouest".