GECX 1
| demonstrator named Web W. Morse |
C40-8
| 45734 | 1 | 140493 |
GECX 809
| Wide Cab Prototype Demonstrator. |
B40-8
| 42999 | 2 | 92691 |
GECX 832
| Demonstrator. |
B32-8
| 46116 | 1 | 106800 |
GECX 899
| Demonstrator. |
C39-8
| 43200 | 2 | 142638 |
GECX 1117
| Demonstrator. |
25 Tonner
| | 1 | 93040 |
GECX 2005
| Demonstrator. |
ES44AC
| 53681 | 1 | 17943 |
GECX 2010
| Hybrid Prototype Demonstrator. |
ES44AC-H
| 53681 | 1 | 80698 |
GECX 2011
| Demonstrator. |
ES44DC
| 53877 | 2 | 58136 |
GECX 2012
| Demonstrator. |
ES44AC
| 59418 | 3 | 150660 |
GECX 4400
| Demonstrator. |
AC44CW
| 48878 | 3 | 58133 |
GECX 5000
| Prototype Super 7 Rebuild, ex BCOL, nee PGE. |
M630
| 6044-01 | 2 | 96296 |
GECX 5498
| Ex BN, to NREX. |
B32-8
| 43152 | 6 | 106797 |
GECX 5499
| Ex BN, to NREX. |
B32-8
| 43153 | 4 | 106798 |
GECX 5962
| Ex UP. |
SD60
| 867147-36 | 3 | 60795 |
GECX 6000
| Demonstrator. |
AC60CW
| 48879 | 1 | 58106 |
GECX 6002
| Demonstrator, ex UP, donated to Lake Shore Railway Museum. |
AC60CW
| 50945 | 6 | 54693 |