On another forum, we had fun creating this list from a variety of sources. I'd appreciate any additional contributions that anyone has!
The List
GE
B18-7
U33CG
U18C-North American extension of the U18B
U56
U18BT
U15BT
U33CG
B40-8(B)
C23-7
B28-7
C28-7
B23-8
B33-7
C33-7
EMD
DD40A
SD39-DC
SD55
AMT-125
RB3600
GMDH-2
SD40-2B
GP2000
SD39-2
SDL39-2
SD59
SD49
TR12
F45B
TR9
F18
F20
M-K
MK5000AC
MK6000AC
F-M
CFA-24
CFB-24
CPB-20
CPB-24
ALCO
PA-3
FA-4
C428
C620
C624
C636F
C636P(A)
C636P(B)
C650DH
RSD-33
SSB1 (S1 calf)
SSB2 (S2 calf)
Ingalls
3-S
16-S
5-S
17A
MLW
RSC-23
RS-13
RS-24
Bombardier
HR416
HR618
HR406
Lima
800 HP BB road switcher
1600 HP center cab C-C road switcher/transfer
2400 HP center cab C-C road switcher/transfer
3200 HP CC cab unit powered by 6 free piston generators powering a turbine.
1600 HP Switcher Combo
2400HP Switcher Combo
Baldwin
1000 HP C-C Road Switcher
1500 HP C-C Road Transfer (streamlined car body)
3000 HP A1A-A1A Road Locomotive
Phases/Other
Q cab Dash-7 GEs
Dash 8-32C (later updated phase of C32-8 that would have been somewhat like NS's Dash 8-32Bs)
A1A G16
B-B G16
And newly added, thanks to Pnuedyne, the EMD R, and possibly a G6.
If anyone else has any more, please speak up! Thanks!
The List
GE
B18-7
U33CG
U18C-North American extension of the U18B
U56
U18BT
U15BT
U33CG
B40-8(B)
C23-7
B28-7
C28-7
B23-8
B33-7
C33-7
EMD
DD40A
SD39-DC
SD55
AMT-125
RB3600
GMDH-2
SD40-2B
GP2000
SD39-2
SDL39-2
SD59
SD49
TR12
F45B
TR9
F18
F20
M-K
MK5000AC
MK6000AC
F-M
CFA-24
CFB-24
CPB-20
CPB-24
ALCO
PA-3
FA-4
C428
C620
C624
C636F
C636P(A)
C636P(B)
C650DH
RSD-33
SSB1 (S1 calf)
SSB2 (S2 calf)
Ingalls
3-S
16-S
5-S
17A
MLW
RSC-23
RS-13
RS-24
Bombardier
HR416
HR618
HR406
Lima
800 HP BB road switcher
1600 HP center cab C-C road switcher/transfer
2400 HP center cab C-C road switcher/transfer
3200 HP CC cab unit powered by 6 free piston generators powering a turbine.
1600 HP Switcher Combo
2400HP Switcher Combo
Baldwin
1000 HP C-C Road Switcher
1500 HP C-C Road Transfer (streamlined car body)
3000 HP A1A-A1A Road Locomotive
Phases/Other
Q cab Dash-7 GEs
Dash 8-32C (later updated phase of C32-8 that would have been somewhat like NS's Dash 8-32Bs)
A1A G16
B-B G16
And newly added, thanks to Pnuedyne, the EMD R, and possibly a G6.
If anyone else has any more, please speak up! Thanks!