NS 4001
| Rebuilt by GE/American Motive Power 08/15 from NS 8879 |
AC44C6M
| 48339 | 1 | 221930 |
NS 4004
| Rebuilt by NS/Juniata 08/16 from NS 8866 |
AC44C6M
| 48326 | 6 | 221754 |
NS 4005
| Rebuilt by NS/Juniata 12/16 from NS 8867 |
AC44C6M
| 48327 | 3 | 224931 |
NS 4006
| Rebuilt by GE/Erie 07/16 from NS 8808 |
AC44C6M
| 48268 | 2 | 236748 |
NS 4016
| Rebuilt by GE/Erie 07/16 from NS 8849 |
AC44C6M
| 48309 | 1 | 226575 |
NS 4017
| Rebuilt by GE/Erie 07/16 from NS 8882 |
AC44C6M
| 48342 | 1 | 222994 |
NS 4021
| Rebuilt by GE/Ft. Worth 04/17 from NS 8823 |
AC44C6M
| 48283 | 2 | 233972 |
NS 4023
| Rebuilt by GE/Ft. Worth 04/17 from NS 8847 |
AC44C6M
| 48307 | 1 | 227249 |
NS 4026
| Rebuilt by GE/Ft. Worth 05/17 from NS 8875 |
AC44C6M
| 48335 | 1 | 227451 |
NS 4027
| Rebuilt by GE/Ft. Worth 05/17 from NS 8877 |
AC44C6M
| 48337 | 1 | 227558 |
NS 4029
| Rebuilt by GE/Ft. Worth 07/17 from NS 8842 |
AC44C6M
| 48302 | 1 | 232357 |
NS 4031
| Rebuilt by GE/Ft. Worth 07/17 from NS 8787 |
AC44C6M
| 48247 | 1 | 228229 |
NS 4032
| Rebuilt by GE/Ft. Worth 07/17 from NS 8776 |
AC44C6M
| 48236 | 1 | 231223 |
NS 4039
| Rebuilt by GE/Ft. Worth 05/17 from NS 8810 |
AC44C6M
| 48270 | 1 | 231611 |
NS 4048
| Rebuilt by NS/Roanoke 08/17 from NS 8868 |
AC44C6M
| 48328 | 1 | 232365 |
NS 4049
| Rebuilt by NS/Roanoke 09/17 from NS 8796 |
AC44C6M
| 48256 | 1 | 231285 |
NS 4055
| Rebuilt by NS/Juniata 03/17 from NS 8859 |
AC44C6M
| 48319 | 1 | 226781 |
NS 4058
| Rebuilt by NS/Juniata 04/17 from NS 8800 |
AC44C6M
| 48260 | 1 | 227267 |
NS 4065
| Rebuilt by NS/Juniata 07/17 from NS 8785 |
AC44C6M
| 48245 | 1 | 228926 |
NS 4067
| Wrecked at Collegedale, TN 12/20/2022. |
AC44C6M
| 48267 | 1 | 229778 |
NS 4068
| Rebuilt by NS/Juniata 09/28/17 from NS 8832 |
AC44C6M
| 48292 | 1 | 232837 |
NS 4069
| Rebuilt by NS/Juniata 09/17 from NS 8854 |
AC44C6M
| 48314 | 1 | 230296 |
NS 4076
| Rebuilt by NS/Juniata 12/17 from NS 8886 |
AC44C6M
| 48346 | 1 | 234169 |
NS 4084
| Rebuilt by NS/Juniata 04/18 from NS 8817 |
AC44C6M
| 48277 | 1 | 235681 |
NS 4085
| Rebuilt by NS/Juniata 04/18 from NS 8872 |
AC44C6M
| 48332 | 1 | 235820 |
NS 4089
| Rebuilt by NS/Juniata 05/18 from NS 8812 |
AC44C6M
| 48272 | 1 | 243084 |
NS 4090
| Rebuilt by NS/Juniata 05/18 from NS 8856 |
AC44C6M
| 48316 | 1 | 236747 |
NS 4097
| Rebuilt by NS/Juniata 09/18 from NS 8860 |
AC44C6M
| 48320 | 1 | 239423 |
NS 4099
| Rebuilt by NS/Juniata 10/18 from NS 8869 |
AC44C6M
| 48329 | 1 | 241253 |
NS 4103
| Rebuilt by NS/Juniata 11/18 from NS 8802 |
AC44C6M
| 48262 | 1 | 238310 |
NS 4113
| Rebuilt by NS/Roanoke 09/18 from NS 8770 |
AC44C6M
| 48230 | 1 | 238081 |
NS 4118
| Rebuilt by NS/Roanoke 06/18 from NS 8843 |
AC44C6M
| 48303 | 1 | 235283 |
NS 4121
| Rebuilt by NS/Roanoke 04/18 from NS 8864 |
AC44C6M
| 48324 | 1 | 234917 |
NS 4138
| Rebuilt by GE/Ft. Worth 12/17 from NS 8894 |
AC44C6M
| 49070 | 2 | 233889 |
NS 4167
| Rebuilt by GE/Ft. Worth 05/18 from NS 8953 |
AC44C6M
| 49129 | 2 | 235821 |
NS 4188
| Rebuilt by Wabtec/GE/Erie 05/19 from NS 8945 |
AC44C6M
| 49121 | 1 | 242021 |
NS 4195
| Rebuilt by Wabtec/GE/Erie 06/19 from NS 8974 |
AC44C6M
| 49150 | 1 | 242127 |
NS 4196
| Rebuilt by Wabtec/GE/Erie 06/19 from NS 8985 |
AC44C6M
| 49161 | 2 | 243579 |
NS 4199
| Rebuilt from NS 9008 |
AC44C6M
| 49184 | 1 | 251439 |
NS 4202
| Rebuilt by Wabtec/GE/Ft. Worth 08/19 from NS 8992 |
AC44C6M
| 49168 | 1 | 243195 |
NS 4215
| Rebuilt by Wabtec/GE/Ft. Worth 08/19 from NS 8932 |
AC44C6M
| 49108 | 1 | 241843 |
NS 4219
| Rebuilt by Wabtec/GE/Erie 09/19 from NS 9876 |
AC44C6M
| 49152 | 1 | 246043 |
NS 4220
| Rebuilt by Wabtec/GE/Erie 09/19 from NS 8901 |
AC44C6M
| 49077 | 1 | 244753 |
NS 4221
| Rebuilt by Wabtec/GE/Erie 09/19 from NS 8924 |
AC44C6M
| 49100 | 1 | 243270 |
NS 4222
| Rebuilt by Wabtec/GE/Erie 10/19 from NS 8922 |
AC44C6M
| 49098 | 1 | 245752 |
NS 4224
| Rebuilt by Wabtec/GE/Ft. Worth 08/19 from NS 8905 |
AC44C6M
| 49081 | 1 | 242829 |
NS 4225
| Rebuilt by NS/Roanoke 03/19 from NS 8955 |
AC44C6M
| 49131 | 1 | 244709 |
NS 4229
| Rebuilt by NS/Roanoke 05/19 from NS 8972 |
AC44C6M
| 49148 | 1 | 240707 |
NS 4235
| Rebuilt by NS/Roanoke 08/19 from NS 9038 |
AC44C6M
| 49697 | 1 | 241883 |
NS 4236
| Rebuilt by NS/Roanoke 09/19 from NS 9076 |
AC44C6M
| 49735 | 1 | 242339 |
NS 4254
| Rebuilt by NS/Juniata 10/19 from NS 9042 |
AC44C6M
| 49671 | 1 | 246822 |
NS 4269
| Rebuilt from NS 9080 |
AC44C6M
| 49739 | 1 | 255750 |
NS 4284
| ex NS 9117, initial build 5/1997, original order# 1871, rebuild as AC44C6M |
AC44C6M
| 49776 | 1 | 247015 |
NS 4321
| Rebuilt from NS 9151 |
AC44C6M
| 50404 | 1 | 252652 |
NS 4324
| |
AC44C6M
| 50420 | 1 | 253345 |
NS 4327
| |
AC44C6M
| | 2 | 248885 |
NS 4337
| Rebuilt from NS 9022 |
AC44C6M
| | 1 | 247363 |
NS 4341
| |
AC44C6M
| 49777 | 1 | 249678 |
NS 4344
| Rebuilt from NS 9075 |
AC44C6M
| 49734 | 3 | 257892 |
NS 4353
| Built May/June 2020 at Wabtec Fort Worth Locomotive Plant Fort Worth, Texas |
AC44C6M
| 49771 | 1 | 248394 |
NS 4366
| |
AC44C6M
| 49744 | 1 | 248404 |
NS 4380
| |
AC44C6M
| 49747 | 1 | 250565 |
NS 4382
| |
AC44C6M
| 49768 | 2 | 250566 |
NS 4385
| |
AC44C6M
| | 1 | 250517 |
NS 4393
| |
AC44C6M
| 50455 | 1 | 254040 |
NS 4406
| nee NS 9148 rblt @ Fort Worth, TX 12/20 |
AC44C6M
| 50401 | 1 | 252057 |
NS 4412
| |
AC44C6M
| 50488 | 1 | 253892 |
NS 4446
| Rebuilt at GE Wabtec Fort Worth Texas Plant |
AC44C6M
| 50482 | 1 | 254007 |
NS 4463
| Ex NS 9177 Dash9 44cw Rebuilt 08/2021 WabtecFt Worth, TX,GE 1000th Rebuild |
AC44C6M
| 50430 | 1 | 255686 |
NS 4470
| Rebuilt from NS 9255 |
AC44C6M
| 51130 | 1 | 260856 |
NS 4493
| |
AC44C6M
| 50434 | 1 | 254849 |
NS 4498
| Rebuilt from NS C44-9W 9187 |
AC44C6M
| 50440 | 1 | 256479 |
NS 4508
| Rebuilt from NS 9367 |
AC44C6M
| 51242 | 2 | 262669 |
NS 4527
| former NS # 9249 |
AC44C6M
| 51124 | 1 | 257920 |
NS 4535
| |
AC44C6M
| | 1 | 259020 |
NS 4551
| |
AC44C6M
| 51204 | 1 | 261541 |
NS 4562
| |
AC44C6M
| 51230 | 1 | 258895 |
NS 4564
| |
AC44C6M
| | 1 | 260310 |
NS 4588
| nee NS 9268 Dah9-44CW Order#NS042, rebuilt 05/22 as NS 4588 AC44C6M Wabtec |
AC44C6M
| 51143 | 1 | 268869 |
NS 4598
| |
AC44C6M
| 51202 | 1 | 260172 |
NS 4599
| |
AC44C6M
| 51213 | 1 | 262723 |
NS 4603
| Rebuilt 11/2022 at Wabtec Ft. Worth |
AC44C6M
| 52346 | 1 | 264829 |
NS 4617
| Rebuilt by Wabtec/GE @ Ft. Worth, TX 10/2022 from NS 9471 |
AC44C6M
| | 1 | 263184 |
NS 4623
| Rebuilt by Wabtec/GE @ Ft. Worth, TX 11/2022 from NS 9520 |
AC44C6M
| 52429 | 1 | 263186 |
NS 4635
| Fmr NS9425 |
AC44C6M
| 52334 | 1 | 267921 |
NS 4646
| Rebuilt from NS 9475 |
AC44C6M
| 52384 | 1 | 266013 |
NS 4657
| |
AC44C6M
| | 1 | 272502 |
NS 4666
| |
AC44C6M
| | 4 | 268712 |
NS 4674
| Rebuilt from NS 9507 |
AC44C6M
| 52416 | 1 | 269613 |
NS 4682
| |
AC44C6M
| 52363 | 1 | 270983 |
NS 4688
| Rebuilt from NS 9482 |
AC44C6M
| 52391 | 1 | 270978 |
NS 4707
| Rebuilt from NS 9453 |
AC44C6M
| 52362 | 1 | 269708 |
NS 4730
| Rebuilt from NS 9631 |
AC44C6M
| 52953 | 1 | 269568 |
NS 4787
| Rebuilt from NS 9665 |
AC44C6M
| 52987 | 1 | 271207 |
NS 4806
| Ex-NS 9640, rebuilt 4/24 |
AC44C6M
| 52962 | 1 | 272041 |
NS 4810
| |
AC44C6M
| | 1 | 272501 |
NS 4824
| |
AC44C6M
| | 1 | 272505 |
NS 4829
| RB 6/2024 from 9587 |
AC44C6M
| 92909 | 1 | 271786 |
NS 4850
| Rebuilt from NS 9673 |
AC44C6M
| 52995 | 1 | 273094 |
NS 4862
| |
AC44C6M
| | 1 | 272506 |