SNCF Class BB 12000 SNCF Class BB 12000 The SNCF Class BB 12000 were electric locomotives operated by SNCF. The first examples arrived on the railway in 1953, operating on the 25 kV 50 Hz line to the coal mines of the "Houillères de Lorraine" in the north-east of France. BB 12001 arrived in Mohon on July 17, 1954. Tried first along the Valenciennes – Lumes line, specifications called for a locomotive capable of pulling 750 tonne trains along a grade of 10 ‰. The 12000 Class proved more than capable, pulling 1100 tonne then 1400 tonne trains. BB 12006 using a different system
SNCF Class 241P boxes. The class also suffered from leaking boiler tubes after passing over points, which necessitated structural reinforcement. The class was withdrawn progressively from service from 1965 for 241.P.1 to 1973 for 241.P.16. Their last regular work, on the Le Mans to Nantes route, ended in early 1970. The class was nicknamed the "grosses P" to distinguish them from the 141.P Class, which were called the "petites P". Four 241.Ps have been preserved: SNCF Class 241P The SNCF 241.P is a 4-8-2 'Mountain' type express passenger steam locomotive that ran on the "Société Nationale des Chemins de fer Français", (French National