SNCF Class BB 7200 have all been destroyed in accidents. The class is numbered 7201 - 7440. Some have cast plates. In 2012 and 2013, the locomotives numbered 7311, 7312, 7314, 7325, 7327, 7330, 7332, 7335, 7337, 7339, 7341 and 7342 were modified and become BB 7600 locomotives, to be operated on Transilien Paris – Montparnasse lines. Some of the class carry the name of a city in France: SNCF Class BB 7200 The SNCF Class BB 7200 is a 1.5 kV DC electric locomotive operated by the SNCF in France. It is the DC version of the 'Nez Cassé' family of locomotives. SNCF
SNCF Class BB 12000 engines can support a very large overload current of 1800 amps, well over the 1000 amp design. They suffered very little wheel slip; they could pull 1756 tonnes trains on a 10 ‰ grade and 2885 tonnes trains on a 5 ‰ grade. The locomotives had few flaws, none of which related to the electrical components. They had cramped cabins, poor braking and couldn't work as multiple-unit sets. 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