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 BB 17000 SNCF Class BB 17000 The SNCF Class BB 17000 B-B AC electric locomotives built between 1965 and 1968. It performs suburban duties on railway lines around Paris, notably VB2N carriages. They are monophase locomotives (running off 25 kV AC overhead supply) and have the nickname "danseuses" or "dancers". Since November 2007, 16 of the 105-strong class of locomotives have been scrapped. After spending a varied first part of their careers hauling different types of train, the locomotives were regrouped for use on the Parisian "trains de la banlieue" or suburban trains. They are now all owned and operated by Transilien.