Some time ago, I was asked if I could narrow an LGB Forney from 45mm gauge to 32mm gauge, in order to better represent the 2' gauge appearance of the prototype. I said yes, but the project languished on my workbench for a lot longer than I ever intended. I did manage to locate a suitable, smaller diameter motor and make measurements (and some plans) for the conversion, but never actually got to it for various reasons.
So this weekend everything came together for a start. I've narrowed both wheelsets on the rear truck to the proper gauge, and am proceeding with the manufacturing of a new truck bolster. Removing 13mm width on the trailing truck and power chassis is going to be a chore; but seeing if the loco manages to walk on it's new "high heels" is going to be something else entirely.
Shown here are one each of the modified and stock wheelsets. Note the flange depth on the narrowed set has been reduced to about .072" from .120".
Here is the truck with the new (brass) bolster partially completed. Holes for the sideframe attachment screws and kingpin still need to be drilled at this point.