This Hell on Wheels foto contains
fedora, vilten hoed, homburg, cowboyhoed, trilby, fedora met vilten hoed, stetson, schipper, leghorn, panama, hoed, zeeman, skimmer, strooien hoed, livorno, panama hoed, matroos, and stro hoed.
There might also be
pak, vierdeukenhoed, campagne hoed, porkpie, porkpie hat, and porkpie hoed.
Whether it's the "pepper box" of the "blunderbuss", on-set Armourer Brian Kent discusses some of the Old West weaponry used door the characters of Hell On Wheels.