Dear Dan,
I have read that these were not the official designations by Alco,
the builder, for these diesel engines. But, was assigned by railfans.
Has anyone else ever heard this?
Don
Dan Brindell wrote:
>The P stands for "Passenger". There was also a series known as FA and FB
>for Freight.
>
>Dan Brindell
>
>----- Original Message -----
>From: "David Dewey" <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>; "traindoctor2003"
><[EMAIL PROTECTED]>
>Sent: Tuesday, June 17, 2003 2:44 AM
>Subject: Re: [S-Trains] "PA"/"PB"
>
>
>
>
>>I'm not certain what the "P" stands for, except as a model designation, as
>>in Model A Ford. Units with normal cabs are A units, units without are B
>>units. The B units are identical to the A units, except the only manual
>>operating controls are usually just a "hostler's station" on the forward
>>right porthole (this porthole opens, so the hostler can look out and sorta
>>see where he's going. Many railroads bought their locomotives as a set,
>>permanently coupled together with a drawbar (similar to what ACG did with
>>the 360/1 locos), and often came as an "ABBA" set. The WP numbered them
>>
>>
>(OK,
>
>
>>so this example is an F unit) 805A, 805B, 805C, 805D, but the models were
>>still referred to as "A B B A" The thing that made the diesel different
>>
>>
>from
>
>
>>the steamer, is that a single crew could run multiple locomotive via
>>
>>
>MUing,
>
>
>>so the single A unit was doubled in horsepower by adding the B unit, etc.
>>etc.
>>Is this clear as mud?
>>S'
>>David D.
>>
>>
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>>
>
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