What was this PW Lionel before renumbering?

Looks like a 675 or a 2025.

Looks like a later 2025 with the 4 wheel trailing truck.

But it's pre-MagneTraction when they went to spoked drivers.  The keystone on most 675/2025 engines had 5690 on the keystone decal, so this owner was trying to match.  If it had a die-cast two-wheel trailing truck, it might have once belonged to me!

 

Jon

Lionel 2035 is the 2-6-4 version of a K-4. Made 1950-51.

 

http://www.tandem-associates.c...trains_2035_loco.htm

 

http://www.postwarlionel.com/c...in/postwar?ITEM=2035

... Lionels only postwar K4 Pacific steam-type engine to include Magnetraction. The 2035 shares its boiler casting with two other Lionel locomotives -- the 675 and 2025 steamers. Externally, the 2035 is similar to the 2025 from 1952 while internally the main difference is the inclusion of Magnetraction on the 2035 which does not appear on the 2025.

It's a mongrel. As it sits now, it is a 2035 with a 675/2025 motor.  Let's see the cowcatcher and rear truck mounting details, as well as the ID plate on the bottom of the collector assembly.

It's a mongrel.

I think that's correct.  KOOLjock1 is correct, but it has a replacement (2035) trailing truck.  The 2035 did not have those Baldwin Disc drivers.

It's not a 2035 so that leaves 675/2025 from the late 40s.

Great discussion guys. Here are more photos. I picked this up in a collection here in the DC area. The number on the boiler is 5690. I do not believe this has magnatraction or is weak (I just put scissors near the wheels and nothing but same scissors near a 682 and they almost stuck). When referenced as a "mogrel", is that a hodgepodge of parts that an individual did or something real special from Lionel? I think I know the answer but just to be sure

 

Looks to me that it's a late model 675 or 2025 that someone renumbered to match the 5690 decal on the boiler front.

You have a 2035 or a 1952 2025 with a 1947-49 2025 motor.

2035 rear trucks for sure.Early 2025/675 motor with baldwin drivers.Cab looks like the later 2025/675 with black stack.A Mutt for sure. Run it.

Looks like my 675 to me

Also a mongrel...

Looks like any other 675 I've seen

Never mind.... What's up with the trailing trucks? His look the Same as mine.

I did think mine was changed... It was my grandfather in laws, he didn't change his trains at all. Big collector he was.

Could we have a certain variation? With different trailing trucks?

It did come with the 4 wheel trailing trucks in 52 but i think it had spoked drivers not the Baldwins.If it has Baldwin drivers i thought it should have a two wheel trailing truck.I could be wrong.

Here we go, a 1952 675

http://www.postwarlionel.com/cgi-bin/postwar?ITEM=675

Not a mongel

Service replacement 1950 or after.  The die cast truck was N/A until 1971.

As your 675 sits now Andrew, I don't think it will run as it will jam, as the valve gear is off 180 degrees.  And the smoke crank should set between the crosshead and crosshead guide. Ibrew's engine also has a incorrect pilot truck screw.

 Library is incorrect, not a '52 model.

Thanks chuck... It doesn't run actually. You caught me... I took it apart to oil it and when I put it back on the track... It stops.

Now I know why....

That doesn't look like yours at all.

 

That website is rife with errors, ta' boot.

Thanks for the comments and interest. I just tried putting this on the track to run it. (It has not been cleaned or lubed) It tried to run but not much but it did start to smoke and it wasn't on fire. haha. Pardon my ignorance but where is the pilot screw? and Is there anything simple to do to get this running or is it best in the hands of someone who can fix/part out where the parts are needed? Thanks again guys.

Greenberg suggests this is the 1952 Korean War version of the 2025 without magnetraction, hence the return to Baldwin drivers.  This engine was a 2-6-4 and had the 5690 Keystone decal on the boiler front as shown above.

 

See Greenberg copyright 1991, page 91 for their sources.

The Baldwin drivers were discontinued in 1950 with the advent of Magnetraction.

1952 675's retained 2035 drivers. Baldwin drivers did not reappear until 1972 with the 8206 4-6-4.

I expect the locomotive will be a fine runner when its owner finishing servicing it.
That written, it very well may be something put together out of somebodies parts box. It did not come from the factory in its current configuration.

@Chuck Sartor:

 

You're correct--I see that they did use sintered iron drivers on the Korean War version; just not with Magne-Traction.

The unit in question also has the pre-1950 motor frame.