| No. | Model | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|
| 4 | S-1 | Abilene & Smoky Valley (Hutchinson & Northern) | Abilene & Smoky Valley Railroad, Abilene, KS | operational | Alco, 06/1945 | |
| 407 | S-1 | CMRR (LIRR) | Catskill Mountain Railroad, Kingston, NY | operational | Alco, 06/1946 | |
| 563 | S-1 | WP | Western Pacific Railroad Museum, Portola, CA | operational | Alco, 05/1951 | |
| 4 | S-1 | Quincy | Western Pacific Railroad Museum, Portola, CA | operational | Alco, 04/1942 | |
| 14 (5) | S-1 | Nekoosa Paper (South Omaha Terminal) | Illinois Railway Museum, Union, IL | operational | Alco, 10/1947 |
