| Number | Model | Model (as built) | Name | |
|---|---|---|---|---|
| 6061 | SD40 | SD40 | City of St. Charles | |
| Frame/Order Number | Serial Number | Build Date | Rebuild Date | Acquisition Date |
| 7172-02 | 34968 | 7/69 | 8/11/97 | |
| History: (in chronological order) | Owner | Number | ||
| Built as: | WM | 7446 | ||
| WM | 7546 | |||
| CSXT | 8397 | |||
| MKCX | 9419 | |||
| Notes: | ||||