SNCF Class BB 7200 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 Class BB 15000 is the AC version while the Class BB 22200 is a dual-voltage version. They are numbered to show that the DC and AC class numbers add up to the dual-voltage locomotive class number (7200 + 15000 = 22200). Another relative is the NS Class 1600 operated in the Netherlands, a DC locomotive based on the BB 7200. 7209, 7210, 7308 and 7348
SNCF Class BB 8500 SNCF Class BB 8500 The SNCF Class BB 8500 class are part of a series of electric locomotives built by Alsthom for SNCF. They are the direct current version of the 25 kV alternating current SNCF BB 17000 and dual system SNCF BB 25500. The locomotives are fitted with monomotor bogies with two different gear ratios. This allows them to increase their tractive effort in exchange for a reduction in their top speed. This makes them suitable for both freight and passenger trains. They acquired the nickname "Danseuses" (dancers) due to their tendency to sway from side to side at