NS 7500
| Uprated ES40DC |
ES44DC
| 54245 | 2 | 197536 |
NS 7541
| |
ES44DC
| 56468 | 1 | 197283 |
NS 7556
| Uprated from 4,000 to 4,400 horsepower |
ES44DC
| 56483 | 2 | 209324 |
NS 7621
| Upgraded Dec 2013 |
ES44DC
| 57848 | 1 | 194351 |
NS 7648
| Blt.Apr.2007, Frame/order#1996-136, in svc.Apr.28,2007 |
ES44DC
| 57875 | 1 | 198736 |
NS 7718
| |
ES44DC
| 58442 | 2 | 199792 |