JointedRail stuff [screenshots/renders]

Correct, it's the UM-20, although technically, it's a UM-12 or UM-18 in the current configuration. While on the Erie, one AB set had 1200 hp prime movers, while the other set had 1800 hp prime movers. All 4 units received new 2000 hp prime movers before the UP bought them. There isn't a ton left to do, so look for them in the next month or so!

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Correct, it's the UM-20, although technically, it's a UM-12 or UM-18 in the current configuration. While on the Erie, one AB set had 1200 hp prime movers, while the other set had 1800 hp prime movers. All 4 units received new 2000 hp prime movers before the UP bought them. There isn't a ton left to do, so look for them in the next month or so!
YES!!! I am soooooooo ready for this one!!:udrool:
 
Payware, although it will be a little cheaper because they won't have a custom cab. That is, unless someone has access to interior shots...

These are the first locomotives that GE built for the North American market (since the UD18s were kind of export units) after severing their partnership with ALCo. Some of the styling resembles that of an FA because GE's styling department had a lot to do with those. The nose was later used on a handful of ALCo exports, such as the 43 class for NSW. The UM12/18/20s used Cooper-Bessemer FVBL prime movers, which I am going to represent with ALCo 244 sounds because they are very similar.

Speaking of 244s, having those sounds will allow us to bring out some other very fun things, including 2 or 3 - or is it 4 or 5 (hint hint) that I have wanted to build for a very long time.
 
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I don't know whether it would or not. That cab looks like a somewhat similar setup to U25B cabs (at least earlier ones), but I know the blue and white XB24 demos had some sort of weird control stand that was suspended from the ceiling. Incidentally, pictures of that do exist. The 43 cab also bears resemblance to RS3 control stands, though, so it may just be what ALCo was doing at the time.

I'd go so far as to say apart from the obvious body style differences, U25Bs actually have more in common with the UM20s than with the XP24 demos. It does make sense then that the strange stands could have been used for those two units only, and then they went back to something more standard again, since that was the case with many of the external parts. Realistically, it's probably safe to say that no one knows what the inside of a UM20 really did look like, and I could model it off of that 43 class cab and be fairly certain it's accurate. That may be the best thing to do, instead of just skipping a cab entirely. Maybe I will attempt to do some digging on sites where some of the real old timers hang out. The units were traded in to GE in 1963.
 
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