The K-3, Wha Might Have Been

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 It's too bad that N&W's Motive Power Department didn't believe a four-wheel trailing truck was necessary under the fire box.  If memory serves me correctly, Cousin Ed's book on the Class A mentioned that a two-wheel truck supporting a fire box burning high quality Pocahontas steam coal was deemed sufficient.  A four-wheel truck would have made it a 4-8-4, well before Alco delivered the first of that wheel arrangement to the Northern Pacific.  If N&W had built the first 4-8-4, it would be called the "Norfolk" type instead of the "Northern."
What might have been.
Bill KingArlington, Virginia  
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