| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 6 | 90 ton | Heisler3Tr | 4'-8½" | CSRR (Meadow River Lumber Co) | Cass Scenic Railroad State Park, Cass, WV | operational | #1591, 1929 | Restored to operation in 2003 as the only operating Heisler 3-truck type in the USA. Loaned to the Durbin & Greenbrier Valley Railroad from 2016 to 2022. Taken out of service in early 2023. Returned to operation on May 3, 2025. |