List,No, it's the UTLX class X design which followed the VanDyke cars (class V)
after the Master Car Builders' Assn. ruled that tank cars had to have
center sills, rather than transmitting pulling and buffing forces through
the tank itself. The tanks on the class X cars were essentially the same
as on the Van Dykes (and BTW both class X and class V cars wre built in 6K,
8K, and 10K versions) but they had substantial center sills instead of the
bolsters and draft gear boxes being riveted directly to the tank via an
unusually heavy bottom sheet.
2) Does the MDC "Old Timer" tank car have potentialThe MDC tank isn't bad as a representation of the UTL 6K gal. tanks. The
problem is the underframe, which is a grossly oversize atrocity.
3) Failing that, has this type of car ever beenNo, only the VanDyke tanks have been done in brass (and mostly because the
narrow gauge guys wanted them, as some were converted to NG in the 1930s).
The same is true of PSC's very nice plastic kit for the VanDyke cars,
originally offered only in NG but now available as a standard gauge model
as well. There's been talk of making patterns for resin underframes to go
under the PSC or MDC tanks, but so far nothing has come of it. There's
also been talk of doing the class X cars in brass, but talk, as we know, is
cheap. There would certainly be a good market for such models, as the cars
went everywhere in the US and Canada and lasted, in some cases, through the
1960s (I have a photo of one coupled to a high-cube auto parts car!).
Richard H. Hendrickson
Ashland, Oregon 97520