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F135 Turbofan: The Incredible Engine Powering The F-35

The F135 turbofan engine from Pratt & Whitney powers every variant of the F-35 Lightning II (making it one of the 8 fighter jets with Pratt & Whitney engines powering them) and is the most advanced ...
Morningstar

RTX's Pratt & Whitney F135 engine surpasses 1 million flight hours

EAST HARTFORD, Conn., March 3, 2025 /PRNewswire/ -- Pratt & Whitney, an RTX (NYSE: RTX) business, announced today that the F135 engine has surpassed one million engine flight hours powering the F-35 ...
The Aviationist

Pratt & Whitney Awarded $2.8B Contract for New Lot 18 F-35 Engines

The $2.8B contract funds 141 F135 engines for U.S. services and allies, securing production, spares, and upgrades through February 2028. Pratt & Whitney has been awarded a major contract, valued at ...
Flightglobal

Pratt & Whitney sees international interest in F135 upgrades

Pratt & Whitney is seeing significant interest among international customers for its planned F135 Engine Core Upgrade (ECU) programme. “It’s the necessary upgrade to the engine that matches upgrades ...
Morningstar

RTX's Pratt & Whitney awarded $1.6 billion F135 sustainment contract

EAST HARTFORD, Conn., Dec. 2, 2025 /PRNewswire/ -- Pratt & Whitney, an RTX (NYSE: RTX) business, has been awarded a $1.6 billion undefinitized contract action for sustainment of F135 engines, which ...
American Machinist

Pentagon Issues $670M for F-35 Engine Spares

The U.S. Dept. of Defense awarded $670.2-million to Pratt & Whitney, for procuring components and materials needed for manufacturing F135 propulsion systems. This award follows a $2.8-billion contract ...