| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 491 | K-37 | 2-8-2 | 36" | D&RGW | Colorado Railroad Museum, Golden, CO | operational | D&RGW (Burnham) #20829, 1928 | Restored to operation on August 28, 2014. Largest operating narrow gauge steam locomotive in the Western Hemisphere. |