SNCF Class Z 23500 is a Blue Front in a diagonal line with a metallic grey side. However the Rhône-Alpes units have green and purple sides with Rhône-Alpes written on the side in Large writing. SNCF Class Z 23500 Class Z23500 is a class of railway electric multiple units operated in France. They were built by Alstom and Ateliers du Nord de la France, (which became Bombardier) for SNCF and are used on the TER Network. These sets consist of 2 double deck coaches. They were built from 1997 and a total of 80 units were built. The units were ordered by the following
SNCF Class BB 20004 equipments were either parts which were not used on BB16500 locomotives but on older locomotives, or entirely new designs. BB20004 contributed however a big part to the realisation of the BB25500 and later dual-voltage locomotives and expanded the knowledge of dual-voltage locomotives greatly. 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