trolley framed
A locomotive that uses bogie trucks (like all of the diesel power produced by all of the north american locomotive builders)
locomotive framed
A locomotive that uses coupled trucks (like a Mallet steam locomotive.) The Parsons Vale mechanical department has a strong preference for this sort of power, because it allows for lighter superstructures and (arguably) better tracking at speed.
  • Copyright © 2023 by David Parsons (orc@pell.portland.or.us) unless otherwise noted
    Sun Dec 17 16:55:43 PST 2023