NS 9428
| Rerated to 4400 HP 11/2013 |
C44-9W
| 52337 | 3 | 194488 |
NS 9446
| Uprated from 4,000 to 4,400 horsepower |
C40-9W
| 52355 | 2 | 32896 |
NS 9466
| Upgraded Dec 2013. Rebuilt to NS 4633 |
C44-9W
| 52375 | 1 | 192530 |
NS 9468
| Uprated from 4,000 to 4,400 horsepower. Rebuilt to NS 4642 |
C44-9W
| 52377 | 2 | 201568 |
NS 9502
| Uprated from 4,000 to 4,400 horsepower. Rebuilt to NS 4650 |
C44-9W
| 52411 | 1 | 195357 |