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GR-12 / GRG-12
classes
Key
"-" = complete number range
"≠" = incomplete number range
Class System Numbers Builder Model Built Notes
GR-12a CN / TT 900-902 GMD NF110 1952 -
GR-12b CN / TT 904-908 GMD NF110 1953 -
GR-12c GTW 1200-1203 EMD SW1200 1955 -
GR-12d CN 1575-1592
1204-1221		 GMD SW1200RS 1956 -
GR-12e CN 1593-1597
1222-1226
1504-1508		 GMD SW1200RS 1955-1956 -
GR-12f CN 2300-2301
1227-1247		 GMD SW1200RS 1956 -
GR-12g CN / TT 909-934 GMD NF210 1956 -
GR-12h CN 1248-1268 GMD SW1200RS 1956-1957 -
GR-12j GTW 1269-1270 EMD SW1200 1957 -
GR-12k CN 1271-1288 GMD SW1200RS 1957 -
GR-12l CN 1289-1304 GMD SW1200RS 1958 -
GR-12m CN 1000-1028 GMD GMD1 1958 -
GR-12m CN 1101≠1127 GMD / CN GMD1m 1983-1988 -
GRG-12n CN 1900-1903 GMD GMD1 1958 -
GR-12n CN 1904-1917 GMD GMD1 1958-1959 -
GR-12p CN / TT 935-937 GMD NF210 1958 -
GR-12r CN 1305-1337 GMD SW1200RS 1958 -
GR-12s CN 1029-1033 GMD GMD1 1959 -
GR-12s CN 1129≠1133 GMD / CN GMD1m 1983-1988 -
GR-12t CN 1034-1048 GMD GMD1 1959 -
GR-12t CN 1134≠1148 GMD / CN GMD1m 1983-1987 -
GR-12u CN 1338-1357 GMD SW1200RS 1959 -
GR-12w CN 1049-1066 GMD GMD1 1959 -
GR-12w CN 1150≠1167 GMD / CN GMD1m 1983-1991 -
GR-12x CN / TT 935-946 GMD NF210 1960 -
GR-12y CN 1358-1397 GMD SW1200RS 1960 -
GR-12z CN 1067-1077 GMD GMD1 1959-1960 -
GR-12z CN 1168≠1177 GMD / CN GMD1m 1986-1990 -
GR-12za CV / GTW 1511-1512 EMD SW1200 1960 -
GR-12zb CN 991-992 GMD G12 1955-1957 -
GR-12zc CN 1078-1082 GMD GMD1 1959 -
GR-12zc CN 1178-1182 GMD / CN GMD1m 1990 -