SNCF Class BB 10003 locomotive was used as a test machine for operations of the TGV-TMST on 750 V and 3000 V. In 1998 the locomotive was converted back to a non-experimental class - as SNCF BB 15007. (SNCF Class BB 15000) The results were not as good as synchronous motor technology; it was not until the introduction of GTO transistor technology that series production of an asynchronous induction motored locomotive began in France, as the "Eurostar" TGV (1992), and later the BB 36000 "Astride" (1996). SNCF Class BB 10003 The locomotive SNCF BB 10003 was an experimental prototype locomotive converted from a SNCF
SNCF Class 141R ergonomic hitherto unknown to SNCF crews. Driving and firing controls were within reach while seated, with automatic coal feeding thanks to the mechanical stoker, and oil-firing was even easier. They were "banalisées" ("standardised"), that is, not assigned to a particular crew. On the 19 October 1975 the last 141 R in use with the SNCF, 141 R 1187 of Vénissieux depot, worked a special return working between Lyon and Veynes. Four locomotives of Narbonne depot were leased to the Hellenic State Railways from November 1973 to April 1974. Twelve 141.R locomotives have been preserved. Among them, in operating condition are: