For reference, Frisco 1630. I obviously don't have a good edge-on shot, but you'll notice the tires are exceptionally wide, which makes for some restrictions on what switches IRM is willing to allow the 1630 to use for fear of riding up on guard rails.
SRK
Everett Lueck Wrote:
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> The Russians were built with the firebox above the
> drivers, as well as an SG frame so the conversion
> was easy. A key hole firebox that sets between
> the drivers creates quite a challenge.