BO 1
| B&O B-B Electric in 1895; built by General Electric. |
Steeple Cab
| | 1 | 257496 |
BO 50
| Boxcab, EMC 8/35, At St Louis County Museum Of Transportation |
AA
| 532 | 1 | 103269 |
BO 51
| EMC EA, blt. 5/1/1937 |
EA
| 666 | 1 | 95820 |
BO 55
| B&O Passenger Diesel #55. |
EA
| 767 | 1 | 223503 |
BO 350
| B&O 0-6-0; blt 1919, USRA, rnbrd 1150 in 1950 |
0-6-0
| 51642 | 1 | 212791 |
BO 852
| B&O 4-4-0 "Atlantic" in 1895. |
4-4-0
| | 1 | 257495 |
BO 4201
| blt 6/49 as demo 6001, BO 849 |
DR4-4-15
| 73984 | 1 | 136830 |
BO 5143
| B&O Class P-4; Ivy City Enginehouse, c. 1950. |
4-6-2
| 52523 | 1 | 242053 |
BO 5218
| BLW 1919, class P-5, retired 10/1956 |
4-6-2
| 51987 | 2 | 255579 |
BO 6120
| blt 11/23, retired in 1957 |
2-10-2
| 57452 | 1 | 248746 |