Lionel GP 38-2 from the early 90s

I picked this one up for less than 30$ with a broken front truck/wheel assembly but intact motor and completely intact rear motor and setup except a broken coupler.  First off..these were made with pretty much all plastic and the front is mot salvageable with the pieces sent to me.  It is close regarding the motor housing but the outer plastic pieces are missing some bits so I cant glue enough together.

So I originally thought I would take one of the motors and put it either into one of my sons other diesels as he has one GP7 that is nonpowered and one SE 9 (I think) that has only one motor and is a bit underpowered.

Of course I am a noob and totally in over my head..but made this purchase knowing that.  Where should I start in regards to a resource to educate myself on what I can realistically hope to accomplish here.  I will post pics when I get the chance in the next few days but from my observations all 3 engines have different assemblies and I am not sure how I could make any one work.

 

Original Post

The couplers and all are plastic on the lionel.  I will take some pics this morning or after work..but essentially if the front wasnt made of metal it got broken it appears.  I did compared it to the Southern engine my son has that is powered and the gear and motor assembly is the same but have different appearance to the outer pieces.  This is encouraging in that I should be able to add the one motor into the Southern engine should I opt to turn it into a dual motor engine.

The GP 7 he has is not powered but everything on it is metal and I would have to add a motor housing somehow to power it up.

coach joe posted:

I'm not seeing the broken parts.  The middle picture looks like the coupler is missing but I don't see anything else broken.

The coupler was broken so I removed it already.  I attempted to rebuild the Motor housing but the glue didn't hold.  So either I buy everything new for the front or strip the motors and all from this one.

The idea of powering up the GP 7 is interesting but the assembly is different and I am not savvy enough to know what parts to order to make the conversion. 

The GP7 is not upgradeable to a motor. No cutout in the frame for the motor to fit. So all the SOO GP38 needs is a new coupler assembly? On the Southern RS-3, is the complete truck assembly trashed, or is the plastic frame that holds the wheels and axles intact with no broken plastic, only the sideframe assembly and coupler broken?

These plastic trucks with the motor in them, the entire assembly is below the frame, isn't it? Just a small hole in the frame for the mounting stud? Could you not remove the truck from the GP7 and use the same hole to mount the plastic motor truck in its place?

Re: glue: Loctite sells a two-part "plastic bonding system" that might work. I found it at Home Depot. A small bottle and a cylindrical tube together on the same card. Both are purple.

Yes I could theoretically just swap trucks but the gp 7 has metal trucks that are different from the GP 38.  I could do that as the trucks are very similar but the size of the "fuel tank" and openings for the wires through the base plate may cause problems.

Comparison pics are below....gp7 on the left with smaller tank.

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Chuck Sartor posted:

The GP7 is not upgradeable to a motor. No cutout in the frame for the motor to fit. So all the SOO GP38 needs is a new coupler assembly? On the Southern RS-3, is the complete truck assembly trashed, or is the plastic frame that holds the wheels and axles intact with no broken plastic, only the sideframe assembly and coupler broken?

I posted some pics of the two side by side.  The gp7 does have some slots cut out but clearly small compared to the gp 38.

Pretty much the whole thing is trashed on the Soo...if it was plastic it is broken.

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