| Number | Class | Built Date | Renumbered | Retired | Notes |
|---|---|---|---|---|---|
| 1260 | GR-12h | 1957 | between 1989 and 1996 | ||
| 1261 | GR-12h | 1957 | 22 Feb 1996 | ||
| 1262 | GR-12h | 1957 | between 1989 and 1996 | ||
| 1263 | GR-12h | 1957 | between 1989 and 1996 | ||
| 1264 | GR-12h | 1957 | between 1989 and 1996 | ||
| 1265 | GR-12h | 1957 | between 1989 and 1996 | ||
| 1266 | GR-12h | 1957 | 1988 | ||
| 1267 | GR-12h | 1957 | |||
| 1268 | GR-12h | 1957 | |||
| 1271 | GR-12k | 1957 | to 7310 in 1987 | rebuilt at Point St Charles shops | |
| 1272 Photo | GR-12k | 1957 | rebuilt and revived as CS-02 | 26 Oct 1995 | renumbered back to 1272 in 1999 and leased to Celanese in Edmonton AB, 2000 as backup switcher |
| 1273 | GR-12k | 1957 | between 1989 and 1996 | ||
| 1274 | GR-12k | 1957 | to 7311 in 1987 | rebuilt at Point St Charles shops | |
| 1275 | GR-12k | 1957 | to 7312 in 1987 | rebuilt at Point St Charles shops | |
| 1276 | GR-12k | 1957 | before 1984 | ||
| 1277 | GR-12k | 1957 | before 1984 | ||
| 1278 | GR-12k | 1957 | December 1959 | wrecked 21 September 1959 in headon collision near McCall BC (mile 76.3 of the Nechako Subdivision) involving F7A 9090 | |
| 1279 | GR-12k | 1957 | between 1989 and 1996 | ||
| 1280 | GR-12k | 1957 | between 1989 and 1996 | ||
| 1281 | GR-12k | 1957 | September 1970 | wrecked September 1970 | |
| 1282 | GR-12k | 1957 | 9 Jun 1994 | sold to Helm Leasing 1995 | |
| 1283 | GR-12k | 1957 | between 1989 and 1995 | sold to Worldwide Auctioneers, Easly SC | |
| 1284 | GR-12k | 1957 | between 1989 and 1996 | ||
| 1285 | GR-12k | 1957 | 26 Oct 1995 | transferred to Canac’s lease fleet in 1996 where it retained number 1285 leased to Ottawa Valley Railink in early 1997 sold to RaiLink September 1997 | |
| 1286 | GR-12k | 1957 | between 1989 and 1996 | ||
| 1287 | GR-12k | 1957 | between 1989 and 1995 | sold to Independent Locomotive Sales (Bethel, MN) | |
| 1288 | GR-12k | 1957 | between 1989 and 1996 | ||
| 1289 | GR-12l | 1958 | between 1989 and 1996 | ||
| 1290 | GR-12l | 1958 | between 1989 and 1996 |
