The 417B was made between 1939-43 with " Olive Green Paint And Maroon Fuel Tank. It's the same size as the later model 425's so any 425 fuel tank will fit the 417's. ( The 417 though is a much better made stove with legs and " Cast Iron Manafold Burner " This stove in a pre-WWII model and still works well with the help of a 1981 425F fuel tank and the pump needs a bit of work on the 417B ( Stove donated to me by " Motorman Pat",, who also shoots Canon these days...