SNCF Class BB 27300 the number carried on the locomotive is prefixed with the number 8, to denote the unit as belonging to the Île-de-France division of SNCF. The first locomotives entered service in 2006 on suburban trains from Paris Montparnasse railway station. Current deployment sees a total of 25 locomotives operating services from Paris-Montparnasse on trains to Dreux, Mantes-la-Jolie and Rambouillet. At Montparnasse they have displaced older SNCF Class BB 8500 and BB 25500 locomotives. A further 42 locomotives operate from Paris Saint-Lazare railway station on trains to Poissy, Mantes-la-Jolie, Pontoise, Gisors, and Ermont Eaubonne. At Saint-Lazare BB 8500 and BB 17000 locomotives
SNCF Class BB 47000 SNCF Class BB 47000 The SNCF Class BB 47000 "Prima" electric locomotive is a locomotive, built by Alstom. This locomotive is the quadruple-voltage version of the Class BB 27000. So far, only one locomotive, numbered 47001, has been built and was tested by Fret SNCF with a view for further orders. In 2006 it became clear that SNCF wouldn't order this version anymore and the locomotive had passed on to Alstom as a permanent test bed locomotive for testing different Alstom technologies. In 2009, the locomotive was devoid of all technical components. Its bogies were re-used by the Prima II-prototype.