| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 9 (6) | 70-3 | Climax3Tr | 4'-8½" | CSRR (Middle Fork RR) | Cass Scenic Railroad State Park, Cass, WV | operational | Climax #1551, 1919 | Restored to operation in September 2019. Only operating Climax3Tr type in the USA. |
| 3 | 55 ton | Climax2Tr | 4'-8½" | Middle Fork RR (Moore-Keppel) | Durbin & Greenbrier Valley Railroad, Durbin, WV | out of service | Climax, 11/1910 | Named Durbin Rocket. From CT Trolley Museum, East Windsor, CT, later West Virginia Railroad Museum. Awaiting mandated 1,472-day inspection and overhaul. Temporarily replaced by Cass Scenic Railroad Heisler 6. |
| 7 | 80 ton | Heisler3Tr | 4'-8½" | Middle Fork RR | Durbin & Greenbrier Valley Railroad, Durbin, WV | stored | Heisler #1607, 1939 | From Bonsal, NC. |