The Y 7100 class of small shunters originally had 210 members.

The first 130 were built by Billard, with the remaining 80 by Decauville.

They have the 0-4-0 ("B") wheel arrangement, 150 kW diesel engines and hydraulic transmission.

][2][page needed] two further locos are recorded in use in the Port of Rouen (Grand port maritime de Rouen french).

This French railway-related article is a stub.