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 20004 SNCF Class BB 20004 The SNCF class BB 20004 locomotive was a dual-voltage test-bed locomotive transformed from the damaged BB16540 in 1959. After the end of its test period in 1969 it was reinstated with its original equipment under its original number BB16540. SNCF had already experimented with three other dual-voltage locomotives in the 1950s, but these were all rebuilt from a DC locomotive and could only deliver their full power under 25 kV. Power output under 1.5 kV was reduced to 10% of the full power which is nearly negligible. This was however no real problem, as these locomotives