The Pratt & Whitney F135 is an afterburning turbofan developed for the Lockheed Martin F-35 Lightning II, a single-engine strike fighter.

Evolved from the proven F119 engine that powers the F-22 Raptor and building upon decades of combat-proven propulsion experience, the F135 is a marvel of modern engineering – from design and development to production and sustainment.

Pratt & Whitney delivered the first production F135 engine in 2009. Since then, the program has grown considerably and as of 2025, powers the F-35 fleets for the United States Air Force, Marine Corps, and Navy as well as 20 U.S. allies around the globe.

Feb 25, 2025 · The F135 engine is a next-generation afterburning turbofan, developed from the highly successful F119 engine used in the F-22 Raptor. However, what sets the F135 apart is its extraordinary thrust, advanced cooling technology, and …

Mar 3, 2025 · Pratt & Whitney's F135 engine delivers a generational leap in performance and reliability, giving warfighters the assurance that it will be ready to meet mission demands. It continuously exceeds full mission capability rate requirements of 94% and offers operators an exceptional, unmatched safety record.

Apr 25, 2012 · Engines aboard Lockheed Martin's next generation F-35 fighters have been almost 30 years in the making. Liam Stoker takes a look at the development of Pratt & Whitney's F135 engine, from its concept to refinement, and details its performance against foreign counterparts.

With more than 40,000 lbs. of thrust, unmatched low-observable signature, world-class thermal management, and innovative engine control system, the 5th Generation F135 is a critical enabler of the F-35 weapons system and of operations conducted in advanced threat environments.

Feb 18, 2020 · As of today, Pratt & Whitney’s F135 is the only propulsion system suitable for use on the single-engine F-35, not only because of the engine’s power and reliability, but because of its...

Mar 17, 2025 · PRATT & WHITNEY F135 ENGINE FAST FACTS | 2025 The World’s Most Advanced Fighter Engine 5th GENERATION stealth technologies 40K+ LBS of thrust PRECISE & RESPONSIVE integrated engine control system CAPABILITY 255 SUPPLIERS provide parts for the F135 Contributed $2.2B+ to the U.S. economy $500+ MILLION in 2023 invested in capital, …

The F135 engine, which powers the fifth generation F-35 Lightning II, has successfully demonstrated full-life capability of its cold section (components consisting of the fan and compressor) during accelerated mission testing at the Arnold Engineering Development Complex, located on Arnold Air Force Base in Tullahoma, Tenn.