IHB 1504
| Model RP15BDF |
UNKNOWN
| 31724 | 2 | 246404 |
IHB 1508
| American Motive power RP15BDF upgraded SW1500 |
UNKNOWN
| 33078 | 6 | 246403 |
IHB 1514
| Rebuilt RP15DF |
UNKNOWN
| 31721 | 1 | 255011 |
IHB 2020
| Slug rebuilt from NRE 3GS21B ex IHB 2140 |
UNKNOWN
| 058-0212 | 10 | 255012 |
IHB 2021
| Slug rebuilt from NRE 3GS21B |
UNKNOWN
| NRE 058-0198 | 5 | 255047 |