| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 110 | 2-6-6-2T | 4'-8½" | Rayonier (Weyerhaeuser) | Black Hills Central Railroad, Hill City, SD | operational | Baldwin #60561, 1928 | This locomotive employs a unique, split water tank which is unlike most saddle-tanks that entirely straddle the boiler. | |
| 108 | 2-6-6-2T | 4'-8½" | Weyerhaeuser | Black Hills Central Railroad, Hill City, SD | operational | Baldwin #59087, 1926 | Restoration From Snoqualmie, WA. Restored to operation in March 2020. Debuted in excursion service in June 2020. |