Classic US Steam       US sounds on Premium Universal Steam
  Static Sounds One brake pump, steam hiss, safety valve  Same plus one extra brake pump 
  Motion Sounds   Two chuffs, rod clank, drain cocks, brake squeal  Same as Classic 
  Bells Brass or Bronze  Same as Classic 
  Whistles Five recorded US whistles 
        Six synthesised + three recorded US whistles 
  Fireman None  Coal shovelling and injectors 
  Guard/Conductor            "All aboard"  "All aboard" and guard's whistle 
  Operating Modes A variety of manual and automatic options  Same as Classic