WL>         A big factor is the strength of the drawbars, which is why
WL> in mountainous territory (and sometimes even in less milly territory)
WL> there are mid-train helpers and helpers on the rear end.  All that
WL> power on the front would pull out a drawbar.
  I also heard with all the engines on the front it was possable to pull the
cars off the track on a curve if the train was too long.
--- GEcho 1.00
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