A handful of non-covered hoppers are on the P-Burg local here, but by far the fracking sand cars rule the train. Power is setup in a 3x3x1 configuration, giving the train roughly 2.4 HPT (horsepower per ton). The bare minimum for the Moffat is right around 2.0 HPT. Anything much less than that and trains would stall out on the hill.
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