GECX 1
| demonstrator named Web W. Morse |
C40-8
| 45734 | 1 | 140493 |
GECX 905
| Demonstrator. |
C44-9W
| 56241 | 4 | 77094 |
GECX 2010
| Hybrid Prototype Demonstrator. |
ES44AC-H
| 53681 | 7 | 80698 |
GECX 2011
| Demonstrator. |
ES44DC
| 53877 | 5 | 58136 |
GECX 2032
| Demonstrator. |
ET44AC
| 62524 | 4 | 203235 |
GECX 2039
| Demonstrator, to CN. |
ET44AC
| 62531 | 1 | 207405 |
GECX 4400
| Demonstrator. |
AC44CW
| 48878 | 1 | 58133 |
GECX 6000
| Demonstrator. |
AC60CW
| 48879 | 4 | 58106 |
GECX 6002
| Demonstrator, ex UP, donated to Lake Shore Railway Museum. |
AC60CW
| 50945 | 2 | 54693 |