NS 4000
| Rebuilt by GE/American Motive Power 08/15 from NS 8799 |
AC44C6M
| 48259 | 1 | 220656 |
NS 4017
| Rebuilt by GE/Erie 07/16 from NS 8882 |
AC44C6M
| 48342 | 1 | 222994 |
NS 4020
| Rebuilt by GE/Ft. Worth 04/17 from NS 8818 |
AC44C6M
| 48278 | 3 | 227455 |
NS 4027
| Rebuilt by GE/Ft. Worth 05/17 from NS 8877 |
AC44C6M
| 48337 | 1 | 227558 |
NS 4044
| Rebuilt by NS/Roanoke 04/17 from NS 8851 |
AC44C6M
| 48311 | 3 | 226898 |
NS 4064
| Rebuilt by NS/Juniata 07/17 from NS 8767 |
AC44C6M
| 48227 | 1 | 235082 |
NS 4083
| Rebuilt by NS/Juniata 04/18 from NS 8790 |
AC44C6M
| 48250 | 2 | 247848 |
NS 4088
| Rebuilt by NS/Juniata 05/18 from NS 8803 |
AC44C6M
| 48263 | 2 | 238267 |
NS 4097
| Rebuilt by NS/Juniata 09/18 from NS 8860 |
AC44C6M
| 48320 | 2 | 239423 |
NS 4102
| Rebuilt from NS 8855 |
AC44C6M
| 48315 | 4 | 249456 |
NS 4112
| Rebuilt by NS/Roanoke 09/18 from NS 8816 |
AC44C6M
| 48276 | 1 | 241776 |
NS 4115
| Rebuilt by NS/Roanoke 08/18 from NS 8822 |
AC44C6M
| 48282 | 1 | 239682 |
NS 4116
| Rebuilt by NS/Roanoke 08/18 from NS 8830 |
AC44C6M
| 48290 | 3 | 238446 |
NS 4118
| Rebuilt by NS/Roanoke 06/18 from NS 8843 |
AC44C6M
| 48303 | 1 | 235283 |
NS 4157
| Rebuilt by GE/Ft. Worth 03/18 from NS 8930 |
AC44C6M
| 49106 | 1 | 234013 |
NS 4163
| Rebuilt by GE/Ft. Worth 03/18 from NS 8961 |
AC44C6M
| 49137 | 1 | 234582 |
NS 4177
| Rebuilt by Wabtec/GE/Erie 02/19 from NS 8920 |
AC44C6M
| 49096 | 1 | 240043 |
NS 4187
| Rebuilt by Wabtec/GE/Erie 04/19 from NS 8991 |
AC44C6M
| 49167 | 1 | 241962 |
NS 4254
| Rebuilt by NS/Juniata 10/19 from NS 9042 |
AC44C6M
| 49671 | 1 | 246822 |
NS 4285
| Rebuilt from NS 9061 |
AC44C6M
| 49720 | 1 | 248123 |
NS 4293
| Rebuilt 6/20 by Junita Shops. Ex-NS C44-9W 9030 |
AC44C6M
| 49689 | 1 | 249084 |
NS 4294
| ex NS GE Dash 9-44CW 9036 Rebuilt at NS Juniata Shop |
AC44C6M
| 49665 | 1 | 250318 |
NS 4308
| ex NS GE Dash 9-44CW 9162 rebuilt at Wabtec/GE FT Worth |
AC44C6M
| 50415 | 1 | 252252 |
NS 4314
| |
AC44C6M
| 50408 | 1 | 253609 |
NS 4324
| |
AC44C6M
| 50420 | 1 | 253345 |
NS 4325
| Rebuilt from NS 9034 |
AC44C6M
| 49663 | 1 | 247844 |
NS 4340
| |
AC44C6M
| 49713 | 2 | 250316 |
NS 4374
| Former NS 9093 |
AC44C6M
| 49752 | 1 | 250059 |
NS 4399
| |
AC44C6M
| 50428 | 2 | 250549 |
NS 4416
| |
AC44C6M
| 50451 | 2 | 256591 |
NS 4465
| formerly NS 9256 |
AC44C6M
| 51131 | 1 | 256263 |
NS 4473
| Rebuilt from NS 9271 |
AC44C6M
| 51146 | 1 | 261637 |
NS 4481
| |
AC44C6M
| 50393 | 1 | 254168 |
NS 4505
| Rebuilt from NS 9351 |
AC44C6M
| 51226 | 1 | 261551 |
NS 4533
| Rebuilt from NS 9324 5-2022 at Wabtec in Ft Worth |
AC44C6M
| 51199 | 3 | 260951 |
NS 4545
| Rebuilt from NS Dash 9-44CW 9321 12-201 at Wabtec Ft Worth. |
AC44C6M
| 51196 | 1 | 260562 |
NS 4557
| Rebuilt from Dash9-44CW 9275 |
AC44C6M
| 51150 | 1 | 260326 |
NS 4561
| |
AC44C6M
| 51216 | 1 | 263257 |
NS 4661
| Rebuilt from NS 9493 |
AC44C6M
| 52402 | 1 | 268706 |
NS 4679
| |
AC44C6M
| 52365 | 1 | 268938 |
NS 4777
| Rebuilt from NS 9586 |
AC44C6M
| 52908 | 1 | 270726 |
NS 4851
| Tennessee, Alabama and Georgia heritage unit. |
AC44C6M
| 52905 | 1 | 272070 |