The online magazine on the history and operation of vintage scale model trains in American OO gauge

Saturday, April 6, 2019

The largest American OO tank car ever built

Myron P. Davis really liked big models. An article in the January 1996 issue of the Train Collectors Quarterly by Donald S. Fraley titled “The Unfinished Locomotives” looks at his big locomotives, and I have covered some of them in this site as well (this article being a good place to start). Most of his models were produced and sold in some limited quantity.

According to the Fraley article, Davis passed in December of 1968. Obviously he kept on building big Amercian OO models to the end of his life, as I was recently able to obtain this surprising and amazing model, which clearly was one of his creations. The paint and construction match that of the huge but freelanced “streamline caboose” seen in this recent article.

The prototype is a very notable car built in 1965 by GATX. It is 94 feet long and is one of a kind, as it was deemed too large for use on Eastern railroads. Notably, a model of this car was offered in N scale in the early 1970s, and the prototype car has been on display since 1971 at the National Museum of Transport in St. Louis.

The present tank car, when it got to the prior owner, was on Nason Atlantic tender trucks. These are, of course, not correct for the car. The N scale model is on Bettendorf trucks, but the prototype is on roller bearing. I opted to obtain the model less trucks and replaced them with Nason Vulcan trucks, upgraded with Ultimate wheelsets. Painted black they have the overall look of heavy roller bearing trucks, and suit the model.

The body is sand-cast bronze (!) and it weighs almost two and a half pounds. Note the Nason brake details in the second photo.

With the trucks mounted as they are the model will negotiate the curves on my layout surprisingly well. There is an issue with the pivot point on one end, it will not take turnouts very well as things are not quite square. I’ll have to work on that more, because as of now I’m inclined to try to put together decals suited to the prototype car, as I do run models from the era when this car was being tested. What an amazing model, one I am happy to have.

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