NS 9004
| Retired for AC44C6M rebuilding. Will become 4198. |
C44-9W
| 49180 | 1 | 197463 |
NS 9282
| Rerated to 4400 HP 11/2013 |
C44-9W
| 51157 | 3 | 193793 |
NS 9340
| Rebuilt to AC44C6M 4517 in 2022 |
C44-9W
| 51215 | 1 | 197847 |
NS 9627
| Rerated to 4400 HP 11/2013 |
C44-9W
| 52949 | 1 | 192705 |
NS 9831
| Uprated from 4,000 to 4,400 horsepower |
C44-9W
| 54989 | 1 | 208956 |