NS 7503
| Uprated from 4,000 to 4,400 horsepower |
ES44DC
| 54248 | 3 | 209121 |
NS 7532
| Rerated to 4400 HP 11/2013 |
ES44DC
| 56459 | 4 | 192032 |
NS 7537
| Rerated to 4400 HP 11/2013 |
ES44DC
| 56464 | 1 | 192703 |
NS 7547
| Rerated to 4400 hp |
ES44DC
| 56474 | 3 | 211724 |
NS 7564
| Blt.Feb.2006, In Svc Ma.1,2006, Order/Frame #1996-43. |
ES44DC
| 56491 | 3 | 209525 |
NS 7574
| |
ES44DC
| 56983 | 1 | 199221 |
NS 7584
| |
ES44DC
| 56993 | 5 | 208761 |
NS 7592
| Rerated to 4400 HP 11/2013,blt.Jun.2006, in svc.Jul.26,2006 |
ES44DC
| 57001 | 2 | 194514 |
NS 7613
| |
ES44DC
| 57839 | 3 | 204449 |
NS 7615
| Upgraded from 4000hp |
ES44DC
| 57841 | 1 | 214900 |
NS 7679
| Upgraded 2014 |
ES44DC
| 58403 | 3 | 206455 |
NS 7685
| |
ES44DC
| 58409 | 4 | 214661 |