| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 3 | 4-4-0 | 36" | Six Flags Over Georgia, Austell, GA | stored | Harpur, 1966 | Named General. Converted to diesel hydraulic in February 2005. Suffered a major fire on May 11, 2018. Has a new cab. Awaiting future overhaul and repairs. | ||
| 49 | 4-4-0 | 36" | Six Flags Over Georgia, Austell, GA | operational | Harpur, 1966 | Named Texas. Converted to diesel hydraulic in February 2005. | ||
| 68 (2) | 25 ton | 4-4-0 | 36" | UP (Astroworld) | Brook Rother, Georgetown, CA | stored | Harpur, 1968 | Named Spitfire. Replica. From the defunct Six Flags AstroWorld, Houston, TX, then Durango, CO. Recent photos suggest this locomotive is stored in disrepair. |
| 1 | 25 ton | 4-4-0 | 36" | Astroworld | Pacific Coast Railroad, Santa Margarita, CA | restoration | Guiberson-Harpur, 1968 | Named Caroline. From the defunct Six Flags AstroWorld, Houston, TX. Awaiting boiler replacement. |