They were built in 1990–1992 by a consortium of De Dietrich, ANF and Alstom and are similar to SNCF's Z 11500 class.

[1] The Z2 family of multiple units was designed by Francorail and Ateliers de construction du Nord de la France.

Between 2024 and 2025, the 2000 series will be replaced by 34 Coradia Stream railcars from the Coradia family produced by Alstom, which is due to increase the CFL's total seat capacity by 46%.

Within Luxembourg 2000s are used, alongside 2200 series EMUs, for RB (Regionalbunn) services on Line 1.

They are otherwise use on secondary lines: 1b from Kautenbach to Wiltz, 6a from Bettembourg to Volmerange-les-Mines via Dudelange, 6b from Noertzange to Rumelange, and 6c from Esch-sur-Alzette to Audun-le-Tiche.