| Number | Class | Renumbered | Retired | Notes |
|---|---|---|---|---|
| 4400 | GR-17a | from GP9 1724 in 1956 | rebuilt to GP9RM 4016 in 1982 | |
| 4401 | GR-17a | from GP9 1725 in 1956 | rebuilt to GP9RM 7041 in 1992 | |
| 4402 | GR-17a | from GP9 1726 in 1956 | rebuilt to GP9RM 4004 in 1982 | |
| 4403 | GR-17a | from GP9 1727 in 1956 | rebuilt to GP9RM 7043 in 1992 | |
| 4404 Photo | GR-17a | from GP9 1728 in 1956 | 7 April 1983 | wrecked 25 January 1983 in Thornton Yard (Port Mann?), Vancouver, BC |
| 4405 | GR-17a | from GP9 1729 in 1956 | rebuilt to GP9RM 7220 in 1986 | |
| 4406 | GR-17a | from GP9 1730 in 1956 | rebuilt to GP9RM 4125:2 in 1989 | |
| 4407 | GR-17a | from GP9 1731 in 1956 | rebuilt to GP9RM 7040 in 1992 | |
| 4408 | GR-17a | from GP9 1732 in 1956 | rebuilt to slug 262:2 in 1990 | |
| 4409 | GR-17a | from GP9 1733 in 1956 | rebuilt to GP9RM 4118:2 in 1989 | |
| 4410 | GR-17a | from GP9 1734 in 1956 | rebuilt to GP9RM 4003 in 1981 | |
| 4411 | GR-17a | from GP9 1735 in 1956 | rebuilt to slug 258 in 1990 | |
| 4412 | GR-17a | from GP9 1736 in 1956 | rebuilt to GP9RM 7070 in 1992 | |
| 4413 | GR-17a | from GP9 1737 in 1956 | rebuilt to GP9RM 4020 in 1983 | |
| 4414 | GR-17a | from GP9 1738 in 1956 | rebuilt to slug 234 in 1987 | |
| 4415 | GR-17a | from GP9 1739 in 1956 | rebuilt to GP9RM 4018 in 1982 | |
| 4416 | GR-17a | from GP9 1740 in 1956 | rebuilt to GP9RM 7214 in 1986 | |
| 4417 | GR-17a | from GP9 1741 in 1956 | rebuilt to GP9RM 7038 in 1991 | |
| 4418 | GR-17a | from GP9 1742 in 1956 | rebuilt to GP9RM 4014 in 1982 | |
| 4419 | GR-17a | from GP9 1743 in 1956 | 3 December 1983 | wrecked 3 October 1979 at mile 7.8 of the St Raymond Subdivision, near Loretteville, QC |
| 4420 | GR-17a | from GP9 1744 in 1956 | rebuilt to GP9RM 4027 in 1984 | |
| 4421 | GR-17a | from GP9 1745 in 1956 | rebuilt to GP9RM 4120:2 in 1989 | |
| 4422 | GR-17a | from GP9 1746 in 1956 | rebuilt to slug 274:2 in 1993 | |
| 4423 | GR-17a | from GP9 1747 in 1956 | was the lead unit in a collision with a school bus at a level crossing at Lamont AB, 29 November 1960. 16 high school students were killed rebuilt to GP9RM 4026 in 1984 | |
| 4424 | GR-17a | from GP9 1748 in 1956 | rebuilt to GP9RM 4130:2 in 1991 | |
| 4425 | GR-17a | from GP9 1749 in 1956 | rebuilt to GP9RM 7036 in 1991 | |
| 4426 | GR-17a | from GP9 1750 in 1956 | rebuilt to slug 244 in 1990 |
