Q-9
classes

Key
"-" = complete number range
"≠" = incomplete number range
Class System Numbers Builder Model Built Notes
Q-9-a CN 7000-7009 GMD SW9 1952 • to class GS-12a (1954)
Q-9-b GTW 7010-7014 EMD SW9 1952 • to class GS-12b (1954)
Q-9-c GTW 7015-7016 EMD SW9 1953 • to class GS-12c (1954)