SNCF Class X 73900 SNCF Class X 73900 The X73900 is a Diesel Multiple Unit (DMU) train type operated by the SNCF in France. They were built from 2001 to 2004 by Alsthom DDF. They are a version of the SNCF Class X 73500 equipped with train control systems for transborder services to Germany. The trains are single railcars. The units were ordered joint with Deutsche Bahn, with their Class 641 units. The trains have modern features which were new to TER trains, such as: The trains can work in multiple of up to 3 sets. They are numbered X 73901 - X73919. The
SNCF Class BB 26000 simplicity of equipment, and price. Two locomotives SNCF BB 20011 and 20012 were used to develop and test the dual voltage traction system, microprocessor control systems and auxiliary motors, BB 20012 was used to develop and test the pneumatic and electrical braking system. The Paris-based industrial design group MBD Design contributed to the design of the locomotive. 264 of the class were ordered by SNCF, only 234 were built, the last 30 of the order were instead built as a new triple voltage design capable of also operating on 3 kV DC; these used asynchronous electric motors and became the