| No. | Model | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|
| 2 | RS-3 | Chickasaw (Magma Copper) | Oklahoma Railway Museum, Oklahoma City, OK | operational | Alco, 05/1955 | |
| 3 | RS-3 | OKRX (Magma Copper) | Arizona State Railroad Museum, Williams, AZ | display | Alco, 03/1955 |