NS 7500
| Uprated ES40DC |
ES44DC
| 54245 | 2 | 197536 |
NS 7502
| Uprated from 4,000 to 4,400 horsepower |
ES44DC
| 54247 | 1 | 202126 |
NS 7521
| Upgraded from 4000hp. |
ES44DC
| 56448 | 1 | 212193 |
NS 7521
| Upgraded from 4000hp. |
ES44DC
| 56448 | 1 | 212194 |
NS 7559
| |
ES44DC
| 56486 | 6 | 210464 |
NS 7589
| |
ES44DC
| 56998 | 2 | 221863 |
NS 7625
| Rerated to 4400 hp |
ES44DC
| 57852 | 2 | 212135 |
NS 7629
| Uprated from 4,000 to 4,400 horsepower |
ES44DC
| 57856 | 1 | 207701 |
NS 7664
| |
ES44DC
| 57890 | 1 | 211469 |
NS 7682
| Rerated to 4400 HP 11/2013 |
ES44DC
| 58406 | 1 | 193810 |
NS 7687
| |
ES44DC
| 58411 | 1 | 201762 |
NS 7704
| Uprated from 4,000 to 4,400 horsepower |
ES44DC
| 58428 | 1 | 209316 |
NS 7709
| blt01/2008, frame/order# 1929-42, in svc, Feb.12,2008 |
ES44DC
| 58433 | 1 | 199228 |