F40, F.40, or F-40 may refer to:

Transportation edit

Aircraft edit

  • Farman F.40, a French pusher biplane reconnaissance aircraft
  • Hirth F-40, a German aircraft engine
  • F40, the NATO code for the JP-4 jet fuel

Automobiles edit

Trains edit

  • EMD F40C, an American diesel-electric locomotive
  • EMD F40PH, an American diesel locomotive

Watercraft edit

Other uses edit