| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 4005 | 48841 | 4-8-8-4 | 4'-8½" | UP | Forney Transportation Museum, Denver, CO | display | Alco (Schenectady) #69576, 10/1941 | First UP Big Boy to be converted to burn oil before UP 4014. Converted back to burn coal in March 1948. Only UP Big Boy to be involved in an accident. |
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