NS 4001
| Rebuilt by GE/American Motive Power 08/15 from NS 8879 |
AC44C6M
| 48339 | 2 | 221930 |
NS 4015
| Rebuilt by GE/Erie 07/16 from NS 8845 |
AC44C6M
| 48305 | 2 | 223635 |
NS 4019
| Rebuilt by GE/Ft. Worth 04/17 from NS 8811 |
AC44C6M
| 48271 | 2 | 228380 |
NS 4027
| Rebuilt by GE/Ft. Worth 05/17 from NS 8877 |
AC44C6M
| 48337 | 1 | 227558 |
NS 4052
| Rebuilt by NS/Roanoke 11/17 from NS 8827 |
AC44C6M
| 48287 | 2 | 231705 |
NS 4081
| Rebuilt by NS/Juniata 03/18 from NS 8804 |
AC44C6M
| 48264 | 1 | 238584 |
NS 4102
| Rebuilt from NS 8855 |
AC44C6M
| 48315 | 1 | 249456 |
NS 4112
| Rebuilt by NS/Roanoke 09/18 from NS 8816 |
AC44C6M
| 48276 | 2 | 241776 |
NS 4133
| Rebuilt by GE/Ft. Worth 12/17 from NS 8925 |
AC44C6M
| 49101 | 1 | 236311 |
NS 4146
| Rebuilt by GE/Ft. Worth 03/18 from NS 8909 |
AC44C6M
| 49085 | 5 | 232985 |
NS 4153
| Rebuilt by GE/Ft. Worth 03/18 from NS 8960 |
AC44C6M
| 49136 | 2 | 234983 |
NS 4161
| Rebuilt by GE/Ft. Worth 03/18 from NS 8959 |
AC44C6M
| 49135 | 1 | 238640 |
NS 4210
| Rebuilt by Wabtec/GE/Erie 08/19 from NS 9001 |
AC44C6M
| 49177 | 2 | 242429 |
NS 4236
| Rebuilt by NS/Roanoke 09/19 from NS 9076 |
AC44C6M
| 49735 | 1 | 242339 |
NS 4350
| Rebuilt from NS 9113 |
AC44C6M
| 49772 | 1 | 249188 |
NS 4353
| Built May/June 2020 at Wabtec Fort Worth Locomotive Plant Fort Worth, Texas |
AC44C6M
| 49771 | 1 | 248394 |
NS 4415
| ex-NS 9192 |
AC44C6M
| 50445 | 1 | 256518 |
NS 4478
| Rebuilt from Dash 9 9160, original build date 02/1998, orig. order#1884 |
AC44C6M
| 50413 | 1 | 254377 |