Yea, when 4014 was converted to oil burning, that's when it received the two from atop 3985 but as you said originally, as a coal burner, it had just the one. I hope they get 3985 back up and running as well. Proportunately, I believe the Challenger to be more balanced than the Big Boy. Sort of like comparing a 7' Steinway Grand piano to a 9' Steinway Grand piano, both are big but the 7' is supposed to be of the best proportions for the design.
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