| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 643 (5) | B4a | 0-6-0 | 4'-8½" | PRR | Williams Grove Historical Steam Engine Association, Dillsburg, PA | operational | PRR (Altoona) #2184, 1901 | Currently the only operational PRR steam locomotive. |
| 1 | 2-4-0 | 4'-8½" | PRR | Railroad Museum of Pennsylvania, Strasburg, PA | display | PRR (Altoona), 1940 | Named John Bull. Replica. | |
| 1187 | R,H3 | 2-8-0 | 4'-8½" | PRR | Railroad Museum of Pennsylvania, Strasburg, PA | display | PRR (Altoona) #1235, 1888 | |
| 6755 | M1b | 4-8-2 | 4'-8½" | PRR | Railroad Museum of Pennsylvania, Strasburg, PA | display | PRR (Altoona) #4225, 1930 | Largest surviving PRR steam locomotive. To eventually be cosmetically restored. |