NS 50
| Ex-NW, Exx-NKP. Sold to PNM, to JDHX |
SD9m
| 23157 | 4 | 934 |
NS 52
| Ex-NW, Exx-NKP. Donated to the Mad River and NKP Railroad Museum |
SD9m
| 23164 | 6 | 7221 |
NS 53
| Ex-NW, Exx-NKP. Sold to NRE |
SD9m
| 23165 | 1 | 12286 |
NS 54
| Ex-NW, Exx-NKP. Sold to WW |
SD9m
| 23167 | 2 | 7222 |
NS 55
| Ex-NW, Exx-NKP. Sold to NRE |
SD9m
| 23170 | 2 | 37500 |
NS 56
| Ex-NW, Exx-NKP. Sold to WRIX, to AFX |
SD9m
| 23171 | 1 | 1877 |