| 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. |
| 7 | 80 ton | Heisler3Tr | 4'-8½" | Middle Fork RR | Durbin & Greenbrier Valley Railroad, Durbin, WV | stored | Heisler #1607, 1939 | From Bonsal, NC. |
| 10 | 78 ton | Heisler3Tr | 4'-8½" | PLC | Mt. Rainier Scenic Railroad, Elbe, WA | display | Heisler #1252, 1912 | First 3-truck Heisler ever produced. |
| 1 | 86 ton | Heisler3Tr | 4'-8½" | PLC | Oregon Coast Scenic Railroad, Garibaldi, OR | display | Heisler #1272, 1913 | From Fremont, CA. |
| 92 | 90 ton | Heisler3Tr | 4'-8½" | Potlatch For | park, Lewiston, ID | display | Heisler #1502, 1924 | |
| 2 (6) | 75 ton | Heisler3Tr | 4'-8½" | PLC (HH) | Travel Town Museum, Los Angeles, CA | display | Heisler #1369, 1918 | |
| 91 (102) | 90 ton | Heisler3Tr | 4'-8½" | Condon, Kinzua & Southern (Kinzua Pine Mills) | Mineral Shops, Mt. Rainier Scenic Railroad, Mineral, WA | stored | Heisler #1595, 12/1929 | Was operational, but is now placed in storage due to the closure of the Mt. Rainier Scenic Railroad in May 2020. |
| 5 | 86 ton | Heisler3Tr | 4'-8½" | PLC | Niles Canyon Railway, Sunol, CA | stored | Heisler #1268, 1913 | Once used on the Castro Point Railway. |