Things usually starts very harmless...

[Schraddel]

" Any suggetions? "

Find a brass casting for a replacement door, then file off the original.....and replace it
Or.....leave it as is.
In either case leave it until you have a good replacement ( scratchbuilding a new door could be considered, do several different methods [ brass, cardstock, plastic, etc. ], and then choose the one that looks best ).

Yes i leave it as it is because i did'nt find any parts to replace it.

The next thing i won't leave was the tender. In comparison with the few photos i have found in the net, the Spectrum tender looks too long.
The tender of one of my Trix mikados, an USRA design also, looks right.
What to to?
Yes shorten the Spectrum tender:


I took the saw from the tractor tool box an start sawing. Just one section marked by the rivets on the tender deck has to be removed.


Here the tender body halves will be glued together. The photo shows the reinforcements made of styrene sheet.


Next was the tender underframe. It is made out of this "light" alloy cast and so i clamped it down.


The coal bunker extensions were made of styrene sheet. Here i look on the prototype photos to get it right.
You see the seams of the cut. And in the background is an unaltered Spectrum tender of the same type.


The underframe with his reinforcements.
I also don't leave to an uninterupted electrical current flow through the mounting screws for the tender trucks, so i soldered the wires directly on the wipers.
In this case with pick up from twelve loco drivers too it may be not so dramatic, but on smaller locos it will.



After painting it all matte black it is time to took a look on the prototype photo again.


A look from the side. You can't see thru under the firebox, the "ashpan replacement" in form of an single styrene stripe prevent it.
The shortened tender with its new bunker extension.


And that was the left over section. Bachmann made the botton extra thick to prevent model railroaders from drilling holes for installing speakers and sound decoders in soundless locos?

Greetings Lutz