NOPB DS-4-4-660:
This page is dedicated to NOPB's small fleet of Baldwin DS-4-4-660 yard switchers. The NOPB was the original owner of 6 DS-4-4-660 units..
Original orders:
| Orig. road numbers | model | Baldwin const. no. | build date | notes |
| NOPB 44-46 | DS-4-4-660 | 73038-73040 | 11-12/1946 | |
| NOPB 47-49 | DS-4-4-660 | 73895-73897 | 2/1949 |
DS-4-4-660: NOPB 44 73038 11-12/1946 NOPB 45 73039 11-12/1946 NOPB 46 73040 11-12/1946 NOPB 47 73895 2/1949 NOPB 48 73896 2/1949 NOPB 49 73897 2/1949