Tags: Locomotive.
The SNCF BB 20011 and SNCF BB 20012 were electric locomotives used for testing built by Alsthom between 1985 and 1986. The two locomotives were the synchronous dual-voltage prototypes for Class BB 26000.In 1994 the locomotives were re-used for work on the channel tunnel then converted to standard class BB 22200s in 1995.