NS 7537
| Rerated to 4400 HP 11/2013 |
ES44DC
| 56464 | 1 | 192703 |
NS 7569
| |
ES44DC
| 56978 | 1 | 197288 |
NS 7601
| Upgraded from ES40DC.blt 7/2006, in svc. 22Aug.2006, Frame/Order#1996--90 |
ES44DC
| 57010 | 1 | 190051 |
NS 7603
| Upgraded from ES40DC |
ES44DC
| 57012 | 1 | 200492 |
NS 7622
| |
ES44DC
| 57849 | 1 | 227931 |
NS 7704
| Uprated from 4,000 to 4,400 horsepower |
ES44DC
| 58428 | 1 | 209316 |
NS 7707
| Rerated to 4400 HP 11/2013 |
ES44DC
| 58431 | 1 | 193742 |