NS DRS-6-4-1500 Locos:
This page is dedicated to the original Norfolk Southern fleet of Baldwin DRS-6-4-1500 roadswitchers. The NS was the original owner of 10 DRS-6-4-1500 units.
Original orders:
| Orig. road numbers | model | Baldwin serial no. | build date | notes |
| NS 1501 | DRS-6-4-1500 | 73487 | 10/1947 | |
| NS 1502-1506 | DRS-6-4-1500 | 73488-73492 | 2/1948 | |
| NS 1507-1510 | DRS-6-4-1500 | 73493-73496 | 3/1948 |
DRS-6-4-1500: NS 1501 73487 10/1947 NS 1502 73488 2/1948 NS 1503 73489 2/1948 NS 1504 73490 2/1948 NS 1505 73491 2/1948 NS 1506 73492 2/1948 NS 1507 73493 3/1948 NS 1508 73494 3/1948 NS 1509 73495 3/1948 NS 1510 73496 3/1948