U (4-8-4)
classes
Driver diameter - all

Key
"-" = complete number range
"≠" = incomplete number range
"( )" = assigned but never carried
Class System Numbers Builder Built Notes
U-2-a CNR 6100-6119 CLC 1927 -
U-2-b CNR 6120-6139 MLW 1927 -
U-2-c CNR 6140-6159 MLW 1929 -
U-2-d CNR 6160-6164 MLW 1936 -
U-2-e CNR 6165-6179 MLW 1940 -
U-2-f CNR 6180-6189 CLC 1940 -
U-2-g CNR 6200-6234 MLW 1942 -
U-2-h CNR 6235-6264 MLW 1943 -
U-3-a CNR 6300-6311 ALCO-S 1927 -
U-3-b GTW 6312-6336 ALCO-S 1942 -
U-4-a CNR 6400-6404 MLW 1936 -
U-4-b GTW 6405-6410 Lima 1938 -