| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 8 | 0-4-0 | 4'-8½" | B&O | B&O Railroad Museum, Baltimore, MD | display | B&O (Mount Clare), 1836 | Named John Hancock. 3rd oldest B&O locomotive in existence. | |
| 2-2-0 | 4'-8½" | B&O | B&O Railroad Museum, Baltimore, MD | display | B&O (Mount Clare), 1927 | Replica named Tom Thumb. Had been restored to operating condition by the Strasburg Rail Road for the 2004 "Fair of the Iron Horse." It was operated only a few times, the last being around Christmas 2013, then placed on display inside the roundhouse. | ||
| 600 | K | 2-6-0 | 4'-8½" | B&O | B&O Railroad Museum, Baltimore, MD | display | B&O (Mount Clare), 1875 | Named J.C. Davis. Damaged by a roof collapse in 2003. |
| 545 | E-8 | 2-8-0 | 4'-8½" | B&O | B&O Railroad Museum, Baltimore, MD | display | B&O (Mount Clare), 1888 | Named A.J. Cromwell. |
| 13 | 4-2-0 | 4'-8½" | B&O | B&O Railroad Museum, Baltimore, MD | display | B&O (Mount Clare), 1927 | Replica. Named Lafayette. In 2015, it was fired up and operated for demonstration purposes. | |
| 147 (117) | B | 4-6-0 | 4'-8½" | B&O | B&O Railroad Museum, Baltimore, MD | display | B&O (Mount Clare), 1863 | Named Thatcher Perkins B. |
| 305 (217) | A | 4-6-0C | 4'-8½" | B&O | B&O Railroad Museum, Baltimore, MD | display | B&O (Mount Clare), 1869 | Camel type locomotive. |
| 4-2-0 | 4'-8½" | NJ RR | Mad River & NKP Railroad Museum, Bellevue, OH | display | B&O (Mount Clare), 1904 | Replica. Named Sandusky. Original built in 1837 by Rogers? | ||
| 1 (6) | 0-4-0VB | 4'-8½" | B&O | Carillon Historical Park, Dayton, OH | display | B&O (Mount Clare), 1835 | Named John Quincy Adams. Oldest surviving American built locomotive. | |
| 173 | B-58 | 4-6-0C | 4'-8½" | B&O | Museum of Transportation, St. Louis, MO | display | B&O (Mount Clare), 1873 | Cosmetic restoration completed in 2016. |