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.

The Allison J71 turbojet powered the Douglas B-66 Destroyer and the McDonnell F3H-2 Demon after the failed Westinghouse J40 proved unworkable. The prototype P6M SeaMasters were also fitted with the engine.

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