NS 9916
| Uprated from 4,000 to 4,400 horsepower |
C44-9W
| 55362 | 1 | 209126 |
NS 9921
| Upgraded from C40-9W |
C44-9W
| 55367 | 1 | 200491 |
NS 9922
| |
C44-9W
| 55368 | 1 | 205463 |
NS 9925
| Rerated to 4400 HP 11/2013 |
C44-9W
| 55371 | 1 | 193753 |
NS 9926
| Rerated to 4400 HP 11/2013 |
C44-9W
| 55372 | 1 | 193792 |
NS 9928
| |
C44-9W
| 55374 | 1 | 222501 |
NS 9934
| Rerated to 4400 HP 11/2013 |
C44-9W
| 55380 | 1 | 192028 |
NS 9943
| |
C44-9W
| 55389 | 3 | 203587 |
NS 9963
| |
C44-9W
| 55409 | 1 | 205874 |
NS 9977
| Rerated to 4400 HP 11/2013 |
C44-9W
| 55423 | 1 | 194494 |
NS 9978
| Uprated from 4,000 to 4,400 horsepower |
C44-9W
| 55424 | 1 | 198058 |