NOPB VO660:
This page is dedicated to NOPB's small fleet of Baldwin VO660 yard switchers. The NOPB was the original owner of 3 VO660 units.
Original orders:
| Orig. road numbers | model | Baldwin const. no. | build date | notes |
| NOPB 41 | VO660 | 64196 | 12/1941 | |
| NOPB 42-43 | VO660 | 64241-64242 | 3/1942 |
VO660: NOPB 41 64196 12/1941 NOPB 42 64241 3/1942 NOPB 43 64242 3/1942