It's a Pennsy steam 4-4-4-4 4-4-4-4 !

[ChristianJDavis1]

I can't wrap my head around it either. You'd think that the PRR would have wanted to keep at least one at Northumberland with the rest of that collection.
Technically parts of two T1s survive since the FD2 uses two sets of T1 tender trucks.

It is probably due to the fact that they were retired so much earlier than the rest of the steam fleet. The idea to save the steam engines probably did not even arise until the PRR started to retire their major classes in 1957, a few years after the T1's were scrapped.

[nkalanaga]

Richie:  The GN borrowed at least one PRR electric for testing, so there's no reason PRR steam couldn't have made it to the Northwest.

[mmagliaro]

You can move a PRR fan but you can't remove the PRR fan within .

It's my railroad and if I want to run PRR in the Pacific Northwest I will .

Maybe it's a retro railfan excursion not unlike the 2 AFT's . What would that excursion be named ?

This all came about only because I was tuning up a Key Imports brass T1 for a customer. 
I rarely get to see them, so while I was running it, I thought it would be interesting to
see how they run and look together (mine and the Key engine).   The Key engine is magnificent.
Faulhaber coreless in it, good balance, wonderfully fully-sprung drivers that really work.
It sure has me beat.  I only put Sagamis in mine       That was back before I was using
coreless motors.

[Pennsy]

The engines looked great. Although the Key looked a little weird without a coal load.
But I have a question about the passenger cars. The B60B on the lead is a Hellgate Models (?) and I think the next two are Kato Budd car's. But please tell us about the rest.

Jim

[mmagliaro]

The B60b is a Hellgate kit I built, yes.  The next two are Kato baggage and RPO smoothside cars.

Then there's another Kato smoothside (they did do that set in PRR).
Next, 4 Fleet of Modernism PRR cars from Centralia/Intermountain

Finally, the Kato smoothside observation.

That Key T1 doesn't belong to me and was here for a tune-up, so I am certainly not going to put a coal load in it!
The biggest surprise of the whole thing was these two engines actually run well together.  The Key engine has
a coreless Faulhaber with a u-joint setup to driver the two engine trucks.  Mine has dual motors (Sagami 12x20's from
the "old days") that independently drive the engine trucks.

Incidentally, what Ron Bearden mentioned in the other thread about Spookshow's Little Joe was correct - dual-motor
engines are tricky to make work.   But remember, before there ever was such a thing as DCC, we all ran multiple unit lashups
all the time - 2, 3 or more diesels on a single throttle pulling a train.  That's the same thing.  Multiple motors and independent
gear sets and wheels, all on one power supply.  As long as the motors and gearing were the same, it always worked pretty well.
Sure, there were times when you'd get a weird one that wouldn't run like the others, but I always thought that was pretty rare.

In the T1's case, what Ron said made me think.  My T1 has a traction tire on EACH of the two independent engine trucks.
That's great for pulling, but it does mean the two motors have to be more perfectly in tune with each other.
I decided to swap out one TT axle for a plain one (They are just Con-Cor Hudson drivers, which I have spares of).
Sure enough, the engine does run smoother and takes curves better.  Allowing one engine truck to have some slip
to it is the key.

It doesn't pull as much as it used to, but it can still drag the 9 car train from the video up my 1.7% grade all by itself, so
I'm not too worried.