Allison J71

J71
J71 engine change in progress on a F3H-2 Demon, 1963.
Type Turbojet
Manufacturer Allison Engine Company
First run 1950
Major applications B-66 Destroyer
F3H Demon
Developed from Allison J35

The Allison J71 was a single spool turbojet engine, designed and built in the United States. It began development in 1948 as a much modified J35, originally designated J35-A-23.