NS 4000
| Rebuilt by GE/American Motive Power 08/15 from NS 8799 |
AC44C6M
| 48259 | 4 | 220656 |
NS 4007
| Rebuilt by GE/Erie 07/16 from NS 8814 |
AC44C6M
| 48274 | 2 | 224872 |
NS 4013
| Rebuilt by GE/Erie 07/16 from NS 8882 |
AC44C6M
| 48242 | 2 | 227011 |
NS 4023
| Rebuilt by GE/Ft. Worth 04/17 from NS 8847 |
AC44C6M
| 48307 | 2 | 227249 |
NS 4054
| Rebuilt by NS/Juniata 02/17 from NS 8775 |
AC44C6M
| 48235 | 1 | 226850 |
NS 4071
| Rebuilt by NS/Juniata 09/17 from NS 8824 |
AC44C6M
| 48284 | 1 | 239260 |
NS 4073
| Rebuilt by NS/Juniata 10/17 from NS 8840 |
AC44C6M
| 48300 | 10 | 232016 |
NS 4082
| Rebuilt by NS/Juniata 03/18 from NS 8795 |
AC44C6M
| 48255 | 10 | 233982 |
NS 4086
| Rebuilt by NS/Juniata 04/18 from NS 8778 |
AC44C6M
| 48238 | 2 | 234341 |
NS 4129
| Rebuilt by GE/Ft. Worth 12/17 from NS 8990 |
AC44C6M
| 49166 | 1 | 234885 |
NS 4145
| Rebuilt by GE/Ft. Worth 02/18 from NS 8892 |
AC44C6M
| 49068 | 1 | 236626 |
NS 4153
| Rebuilt by GE/Ft. Worth 03/18 from NS 8960 |
AC44C6M
| 49136 | 3 | 234983 |
NS 4170
| Rebuilt by GE/Ft. Worth 05/18 from NS 8943 |
AC44C6M
| 49119 | 2 | 236840 |
NS 4172
| Rebuilt by GE/Ft. Worth 05/18 from NS 8970 |
AC44C6M
| 49146 | 1 | 236570 |
NS 4208
| Rebuilt by Wabtec/GE/Erie 08/19 from NS 8967 |
AC44C6M
| 49143 | 1 | 244752 |
NS 4227
| Rebuilt by NS/Roanoke 03/19 from NS 8971 |
AC44C6M
| 49147 | 1 | 246157 |
NS 4239
| Rebuilt by NS/Juniata 12/19 from NS 9024 |
AC44C6M
| 49683 | 3 | 248602 |
NS 4257
| Rebuilt by NS/Juniata 08/19 from NS 9009 |
AC44C6M
| 49638 | 2 | 242775 |
NS 4266
| released to service in May 2019 |
AC44C6M
| 49133 | 1 | 242155 |
NS 4267
| Ex-NS 8998 |
AC44C6M
| 49174 | 1 | 245807 |
NS 4284
| ex NS 9077, initial build 5/1997, original order# 1871, rebuild as AC44C6M |
AC44C6M
| 49776 | 1 | 247015 |
NS 4295
| ex-NS 9050 |
AC44C6M
| 49679 | 1 | 249005 |
NS 4302
| |
AC44C6M
| 50443 | 2 | 251531 |
NS 4306
| |
AC44C6M
| 50390 | 1 | 252654 |
NS 4315
| |
AC44C6M
| 50411 | 1 | 254103 |
NS 4319
| |
AC44C6M
| 50427 | 1 | 252774 |
NS 4330
| |
AC44C6M
| 49760 | 2 | 246771 |
NS 4331
| |
AC44C6M
| 49758 | 5 | 245736 |
NS 4340
| |
AC44C6M
| 49713 | 5 | 250316 |
NS 4341
| |
AC44C6M
| 49777 | 5 | 249678 |
NS 4357
| |
AC44C6M
| 49711 | 1 | 254592 |
NS 4381
| Rebuilt from NS C44-9W 9111 |
AC44C6M
| 49770 | 3 | 254569 |
NS 4394
| |
AC44C6M
| 50470 | 1 | 253666 |
NS 4402
| |
AC44C6M
| | 1 | 253616 |
NS 4432
| |
AC44C6M
| 50477 | 1 | 253557 |
NS 4446
| Rebuilt at GE Wabtec Fort Worth Texas Plant |
AC44C6M
| 50482 | 1 | 254007 |
NS 4476
| |
AC44C6M
| 50426 | 2 | 253378 |
NS 4486
| |
AC44C6M
| 50400 | 1 | 255381 |
NS 4493
| |
AC44C6M
| 50434 | 1 | 254849 |
NS 4527
| former NS # 9249 |
AC44C6M
| 51124 | 1 | 257920 |
NS 4551
| |
AC44C6M
| 51204 | 8 | 261541 |
NS 4598
| |
AC44C6M
| 51202 | 1 | 260172 |
NS 4624
| |
AC44C6M
| 52348 | 2 | 263288 |