General Electric J31

J31
General Electric J31 turbojet engine
TypeTurbojet
National originUnited States
ManufacturerGeneral Electric
First runApril 1943
Major applications
Number built241
Developed fromGeneral Electric I-A
Developed intoGeneral Electric I-40/Allison J33

The General Electric J31 was the first jet engine to be mass-produced in the United States.