Posted by Backyard on December 6, 2011 
Believe it or not the book says this locomotive is bi-directional, single-controller, long hood forward.
Posted by TL Scott on December 6, 2011 
As I recall, we equipped these with 16-645E engines, NC390 draft gears, etc. I think the NW folks called them GP20's for their 2000 HP. They were never turbocharged like the real GP20's.
Posted by pmiller173 on December 7, 2011 
They must have been rebuilt along the way because this unit made it to South Branch Valley Railroad's #92, set up for short hood operation and an 1850 hp 567 prime mover.
Posted by TL Scott on December 7, 2011 
A check of my written records, as opposed to my memory, reveals it was the NS 2008 & 2009 that got the 645 engines, etc. They were referred to as GP20's, not the NS 2000-2003. Reference NS "Condensed List and Description of Locomotives" January 1, 1987.
Posted by Backyard on December 7, 2011 
Thanks Tom, no offense intended. I grabbed an NS Condensed List from 1984. They were listed as GP9r's from #2000-2003 at 1750hp. There was a number break to the GP20's, #2008-2009 at 2000hp, from the acquired New York Central System units. I thought these were GP20's. The GP9r had 1600-gal. fuel tanks, the GP20's had 2000-gal tanks. They remind me of the Walthers generic Geeps in HO-scale.
Posted by Allan Johnson on December 7, 2011 
This was a pre merger life extention experiment with N&W Geeps. They sent these out to Paducah and had the Nose chopped and took out both stands and put in a new AAR style stand (straight alignment) on the long hood side and thus the Bi-directional designation. Originally renumbered NW 5003 after rebuilding, was one of the 24 number groups in conflict between the N&W and SOU. With the majority winning (SOU had GP 38-2's 5000-5249) this group of 4 was put into the unused 2000 slot so NW 5003 became NS 2003 in 1983
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