SNCF prototype Bo Bo (built by Jeumont-Schneider in 1954) BB 9004, Musée Français du Chemin de Fer, Mulhouse 23-2-90ish. BB 9004 became the world rail speed record holder on the 29th March 1955 by reaching 331 km/h, into full service 15th November 1955, withdrawn 24th January 1973. As preserved the loco has the chassis and electrical equipment of BB 9003 with the body and bogies of BB 9004.