NS 9251
| OLS 25th Anniversary Logos |
C40-9W
| 51126 | 1 | 8213 |
NS 9257
| Upgraded. Rebuilt to NS 4564 |
C44-9W
| 51132 | 1 | 201916 |
NS 9281
| Rerated to 4400 HP 11/2013 |
C44-9W
| 51156 | 1 | 192025 |
NS 9319
| Uprated from 4,000 to 4,400 horsepower |
C44-9W
| 51194 | 1 | 204032 |
NS 9356
| Rerated to 4400 HP 11/2013 |
C44-9W
| 51231 | 1 | 192694 |
NS 9549
| Still a C40-9W as of 5/23 |
C40-9W
| 52871 | 1 | 9421 |
NS 9573
| Uprated from 4,000 to 4,400 horsepower. Rebuilt to NS 4810 |
C44-9W
| 52895 | 1 | 208953 |
NS 9648
| Upgraded to 4400 hp. Sold to FXE |
C44-9W
| 52970 | 1 | 210483 |