Re: UTLX Class X Tank Car Build


Dave Parker
 

On Sun, Jul 17, 2022 at 03:28 PM, Tim O'Connor wrote:
Large numbers
of 8,000 gallon and lesser numbers of 10,000 gallon tank cars ARA III/ICC103 were predominant
for petroleum transport (the predominant tank car cargo) for several decades.
It would be helpful to know which "several decades" this generalization is being applied to, as well as its basis.  Thanks to Steve's book, we know exactly how many class V, X and X-3 cars UTLX acquired between 1901 and 1937.  The 10,000-gal  cars outnumbered the 8000s by about 4.5 to 1.  Even the 6000/6500-gal cars outnumbered the 8000s by about 2.5 to 1, with the latter only accounting for 12% of the total.
 
Given the overall size of the UTLX fleet (35,000+ cars from 1930 to 1945), I am curious to know which other fleets were sufficiently dominated by 8000-gal cars to effect the shift to a dominance of that size.  And where the supporting data can be found.

--
Dave Parker
Swall Meadows, CA

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