NS 4000
| Rebuilt by GE/American Motive Power 08/15 from NS 8799 |
AC44C6M
| 48259 | 2 | 220656 |
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 | 1 | 221753 |
NS 4003
| Rebuilt by NS/Roanoke 10/16 from NS 8839 |
AC44C6M
| 48299 | 1 | 223664 |
NS 4004
| Rebuilt by NS/Juniata 08/16 from NS 8866 |
AC44C6M
| 48326 | 2 | 221754 |
NS 4037
| Rebuilt by GE/Ft. Worth 07/17 from NS 8792 |
AC44C6M
| 48252 | 1 | 230272 |
NS 4047
| Rebuilt by NS/Roanoke 07/17 from NS 8781 |
AC44C6M
| 48241 | 1 | 231233 |
NS 4053
| Rebuilt by NS/Juniata 02/17 from NS 8881 |
AC44C6M
| 48341 | 1 | 226795 |
NS 4058
| Rebuilt by NS/Juniata 04/17 from NS 8800 |
AC44C6M
| 48260 | 1 | 227267 |
NS 4064
| Rebuilt by NS/Juniata 07/17 from NS 8767 |
AC44C6M
| 48227 | 1 | 235082 |
NS 4068
| Rebuilt by NS/Juniata 09/28/17 from NS 8832 |
AC44C6M
| 48292 | 1 | 232837 |
NS 4077
| Rebuilt by NS/Juniata 01/18 from NS 8838 |
AC44C6M
| 48298 | 1 | 232951 |
NS 4081
| Rebuilt by NS/Juniata 03/18 from NS 8804 |
AC44C6M
| 48264 | 1 | 238584 |
NS 4141
| Rebuilt by GE/Ft. Worth 02/18 from NS 8934 |
AC44C6M
| 49110 | 1 | 233494 |
NS 4143
| Rebuilt by GE/Ft. Worth 02/18 from NS 8889 |
AC44C6M
| 49065 | 1 | 238460 |
NS 4145
| Rebuilt by GE/Ft. Worth 02/18 from NS 8892 |
AC44C6M
| 49068 | 1 | 236626 |
NS 4208
| Rebuilt by Wabtec/GE/Erie 08/19 from NS 8967 |
AC44C6M
| 49143 | 1 | 244752 |
NS 4295
| ex-NS 9050 |
AC44C6M
| 49679 | 1 | 249005 |
NS 4304
| |
AC44C6M
| 50494 | 1 | 253341 |