The current rule book may have slightly different wording, but the U.C.O.R.
rev. 1962 defines an engine thusly:
ENGINE - A unit propelled by any form of energy, or a combination of such units
operated from a single control, used in train or yard service.
TRAIN - An engine or more than one engine coupled, with or without cars,
displaying markers.
I would expect that 'displaying markers' has been deleted from this definition
since 1962 since marker lights are pretty much history.
--- On Sat, 2/7/09, Roger T. <rogertra@xxxxxxxxxxxxxxxxx> wrote:
From: Roger T. <rogertra@xxxxxxxxxxxxxxxxx>
Subject: Re: [cpsig] RE: CPR D-10 from sunset
To: cpsig@xxxxxxxxxxxxxxx
Received: Saturday, February 7, 2009, 7:29 AM
The railroads, and thus the diesel manufacturers, had an
interest in
considering a group of diesels to be a single locomotive
because of the
labour issues.
-------------------------------------------------
Still applies today. The rule book defines a locomotive as
one or more
locomotives, coupled together and operated in multiple from
the lead cab, or
something like that.