These are custom locomotives, which have been modified beyond just repainting. All of these include some combining of various parts.
BL-1P 204: industrial switcher made from two AHM BL-2 cabs on a Tyco Plymouth switcher chassis.
F&-AA 208: double ended yard switcher made from two Bachmann F7A units.
BL-2B 484: Bl-2 booster unit made from two AHM BL-2's.
GP slug 701: switching slug made from two AHM GP-18's (upowered)
GP-18B 723: booster unit made from two AHM GP-18's
GP-20B 807: booster unit made from two Tyco GP-20's
Home Revised Feb 12 2016