NS 9393
| Uprated from 4,000 to 4,400 horsepower. Rebuilt to AC44C6M 4524 in 2022. |
C44-9W
| 51268 | 36 | 209330 |
NS 9401
| Uprated from 4,000 to 4,400 horsepower. Rebuilt to NS 4747 |
C44-9W
| 52310 | 57 | 205209 |
NS 9403
| Uprated from 4,000 to 4,400 horsepower. Rebuilt to NS 4626 |
C44-9W
| 52312 | 58 | 202897 |
NS 9405
| Uprated from 4,000 to 4,400 horsepower |
C44-9W
| 52314 | 17 | 199629 |
NS 9411
| Uprated from 4,000 to 4,400 horsepower. Rebuilt to NS 4638 |
C44-9W
| 52320 | 44 | 208943 |
NS 9419
| Upgraded to 4400 hp. Rebuilt to NS 4628 |
C44-9W
| 52328 | 32 | 210481 |
NS 9421
| Uprated from 4,000 to 4,400 horsepower. Rebuilt to NS 4702 |
C44-9W
| 52330 | 28 | 200617 |
NS 9435
| Rerated to 4400 hp. Rebuilt to NS 4602 |
C44-9W
| 52344 | 44 | 212139 |
NS 9437
| Blt. Mar. 2000,Order/Frame # 1919, Placed in Svc. Mar.12,2000 |
C44-9W
| 52346 | 32 | 200100 |