| 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. | |
| 70 | 70 ton | 2-8-2 | 4'-8½" | Rayonier (Polson Logging) | Mineral Shops, Mt. Rainier Scenic Railroad, Mineral, WA | operational | Baldwin #55355, 1922 | Previously operated in 2019 prior to the closure of the Mt. Rainier Scenic Railroad in May 2020. Restored back to operation on Sep 1, 2023. Taken out of service in Dec 2025. Returned to operation in June 2026. |