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Western Railroad Discussion > SD40N UP1590 walk around.


Date: 11/03/11 15:49
SD40N UP1590 walk around.
Author: MrOGDEN

Top is at Burmester,UT ex Western Pacific on the 14th of September. Middle is at Warner Ut on the 17th of September. The bottom is at Center Garfield October 20th.

MrOGDEN








Date: 11/03/11 16:04
Re: SD40N UP1590 walk around.
Author: kurtarmbruster

Twinkies, that's what UP power is now. Bland.



Date: 11/03/11 16:57
Re: SD40N UP1590 walk around.
Author: GrandeGold

Hmmmmm. Time to plan a trip west to shoot the Marblehead local. That pairing would look GREAT along the Dolomite spur against the Stansbury Mountains, eh?

JB in SLC



Date: 11/03/11 17:14
Re: SD40N UP1590 walk around.
Author: GrandeGold

kurtarmbruster Wrote:
-------------------------------------------------------
> Twinkies, that's what UP power is now. Bland.

Not in the least.



Date: 11/03/11 18:44
Re: SD40N UP1590 walk around.
Author: PasadenaSub

Maybe bland in the 1980's, but exotic now in the otherwise wide-cab world.


kurtarmbruster Wrote:
-------------------------------------------------------
> Twinkies, that's what UP power is now. Bland.



Date: 11/03/11 18:55
Re: SD40N UP1590 walk around.
Author: roustabout

Haven't noticed any of these in our neighborhood (Oregon) yet. Where are they hiding them?



Date: 11/03/11 19:50
Re: SD40N UP1590 walk around.
Author: okieinexile

What does the N in SD40N denote? Is this a simple rebuild-in-kind or has any new components or technology been added?

Mark



Date: 11/03/11 20:59
Re: SD40N UP1590 walk around.
Author: hawkeye

I believe the "N" is for the shops at North Little Rock, Arkansas where they were rebuilt.



Date: 11/04/11 06:43
Re: SD40N UP1590 walk around.
Author: GrandeGold

hawkeye Wrote:
-------------------------------------------------------
> I believe the "N" is for the shops at North Little
> Rock, Arkansas where they were rebuilt.

ID on the side of the cab reads SD40-2 with no "N".

Posted from iPhone



Date: 11/04/11 21:01
Re: SD40N UP1590 walk around.
Author: pismopete

okieinexile Wrote:
-------------------------------------------------------
> What does the N in SD40N denote? Is this a simple
> rebuild-in-kind or has any new components or
> technology been added?
>
> Mark


Yes, just your ordinary rebuild-in-kind with new components; but no upgrades besides Smartstart system. The "N" appears in the UP computer system, but no sure what it stands for. Don't think it is for NLR as that is there only rebuild shop and nothing else coming out of there is getting the "N".

Peter Arnold



Date: 11/04/11 23:55
Re: SD40N UP1590 walk around.
Author: SOO6617

They are getting an upgrade to the diesel engine to allow it to meet Tier 0+ emissions standards, Plus the overhaul is more thorough than would be typical on a locomotive of this age.



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