NS 4001
| Rebuilt by GE/American Motive Power 08/15 from NS 8879 |
AC44C6M
| 48339 | 2 | 221930 |
NS 4002
| Rebuilt by NS/Roanoke 08/16 from NS 8789 |
AC44C6M
| 48249 | 2 | 221753 |
NS 4003
| Rebuilt by NS/Roanoke 10/16 from NS 8839 |
AC44C6M
| 48299 | 1 | 223664 |
NS 4020
| Rebuilt by GE/Ft. Worth 04/17 from NS 8818 |
AC44C6M
| 48278 | 2 | 227455 |
NS 4023
| Rebuilt by GE/Ft. Worth 04/17 from NS 8847 |
AC44C6M
| 48307 | 2 | 227249 |
NS 4024
| Rebuilt by GE/Ft. Worth 04/17 from NS 8850 |
AC44C6M
| 48310 | 1 | 228021 |
NS 4025
| Rebuilt by GE/Ft. Worth 05/17 from NS 8863 |
AC44C6M
| 48323 | 2 | 227556 |
NS 4026
| Rebuilt by GE/Ft. Worth 05/17 from NS 8875 |
AC44C6M
| 48335 | 3 | 227451 |
NS 4027
| Rebuilt by GE/Ft. Worth 05/17 from NS 8877 |
AC44C6M
| 48337 | 2 | 227558 |
NS 4040
| Rebuilt by GE/Ft. Worth 05/17 from NS 8774 |
AC44C6M
| 48234 | 2 | 227557 |
UP 7307
| C44ACM 3/2018 |
AC44C6M
| 50915 | 4 | 16645 |