NS 4001
| Rebuilt by GE/American Motive Power 08/15 from NS 8879 |
AC44C6M
| 48339 | 2 | 221930 |
NS 4006
| Rebuilt by GE/Erie 07/16 from NS 8808 |
AC44C6M
| 48268 | 2 | 236748 |
NS 4007
| Rebuilt by GE/Erie 07/16 from NS 8814 |
AC44C6M
| 48274 | 2 | 224872 |
NS 4014
| Rebuilt by GE/Erie 07/16 from NS 8801 |
AC44C6M
| 48261 | 2 | 227431 |
NS 4015
| Rebuilt by GE/Erie 07/16 from NS 8845 |
AC44C6M
| 48305 | 9 | 223635 |
NS 4020
| Rebuilt by GE/Ft. Worth 04/17 from NS 8818 |
AC44C6M
| 48278 | 3 | 227455 |
NS 4028
| Rebuilt by GE/Ft. Worth 05/17 from NS 8884 |
AC44C6M
| 48344 | 6 | 236202 |
NS 4053
| Rebuilt by NS/Juniata 02/17 from NS 8881 |
AC44C6M
| 48341 | 6 | 226795 |
NS 4056
| Rebuilt by NS/Juniata 04/17 from NS 8888 |
AC44C6M
| 48348 | 8 | 231057 |
NS 4076
| Rebuilt by NS/Juniata 12/17 from NS 8886 |
AC44C6M
| 48346 | 5 | 234169 |
NS 4077
| Rebuilt by NS/Juniata 01/18 from NS 8838 |
AC44C6M
| 48298 | 2 | 232951 |
NS 4078
| Rebuilt by NS/Juniata 02/18 from NS 8779 |
AC44C6M
| 48239 | 8 | 234396 |
NS 4082
| Rebuilt by NS/Juniata 03/18 from NS 8795 |
AC44C6M
| 48255 | 1 | 233982 |
NS 4128
| Rebuilt by GE/Ft. Worth 12/17 from NS 8835 |
AC44C6M
| 49111 | 1 | 232753 |
NS 4139
| Rebuilt by GE/Ft. Worth 03/18 from NS 8896 |
AC44C6M
| 49072 | 1 | 238605 |
NS 4155
| Rebuilt by GE/Ft. Worth 03/18 from NS 8938 |
AC44C6M
| 49114 | 1 | 233824 |
NS 4159
| Rebuilt by GE/Ft. Worth 03/18 from NS 8944 |
AC44C6M
| 49120 | 2 | 235830 |
NS 4165
| Rebuilt by GE/Ft. Worth 04/18 from NS 8931 |
AC44C6M
| 49107 | 1 | 236551 |
NS 4187
| Rebuilt by Wabtec/GE/Erie 04/19 from NS 8991 |
AC44C6M
| 49167 | 1 | 241962 |
NS 4197
| Rebuilt by Wabtec/GE/Erie 08/19 from NS 8899 |
AC44C6M
| 49075 | 9 | 242097 |
NS 4229
| Rebuilt by NS/Roanoke 05/19 from NS 8972 |
AC44C6M
| 49148 | 3 | 240707 |
NS 4238
| Rebuilt by NS/Roanoke 12/19 from NS 9062 |
AC44C6M
| 49721 | 1 | 247084 |
NS 4242
| Rebuilt by NS/Juniata 11/19 from NS 9035 |
AC44C6M
| 49694 | 10 | 245809 |
NS 4254
| Rebuilt by NS/Juniata 10/19 from NS 9042 |
AC44C6M
| 49671 | 5 | 246822 |
NS 4275
| |
AC44C6M
| 49755 | 1 | 250428 |
NS 4277
| Rebillt from 9090 |
AC44C6M
| 49749 | 7 | 246448 |
NS 4284
| ex NS 9077, initial build 5/1997, original order# 1871, rebuild as AC44C6M |
AC44C6M
| 49776 | 5 | 247015 |
NS 4295
| ex-NS 9050 |
AC44C6M
| 49679 | 7 | 249005 |
NS 4306
| |
AC44C6M
| 50390 | 2 | 252654 |
NS 4391
| |
AC44C6M
| 50417 | 1 | 254620 |