RTX’s Pratt & Whitney awarded $2.8 billion F135 production contract
Contract will fund production engines, spares, and modules
EAST HARTFORD, Conn. (August 26, 2025) – Pratt & Whitney, an RTX (NYSE: RTX) business, has been awarded a $2.8 billion undefinitized contract action (UCA) for production of Lot 18 of F135 engines, which power all three variants of the F-35 Lightning II 5th generation fighter aircraft.
The contract funds production of conventional take-off and landing (CTOL), carrier variant (CV), and short take-off and vertical landing (STOVL) F135 engines for the U.S. and international customers, and includes spare engines, spare modules, program management, tooling, engineering and production support.
“The combat-proven F135 engine delivers the power, safety, reliability, and low-observability to ensure operators can accomplish their most critical missions. The F135 is ultimately an investment in mission assurance, providing the warfighters of today and tomorrow the technological edge to fight and win,” said Christopher K. Johnson, Pratt & Whitney’s vice president for the F135 program. “This contract will enable our team to continue providing this critical capability to help the U.S. and its allies maintain air superiority for decades to come.”
The F135 program sustains more than 67,000 domestic jobs, 240 U.S. suppliers and contributed more than $9.1 billion to the U.S. economy in 2024.
To date, Pratt & Whitney has delivered more than 1,300 F135 production engines to a global enterprise that includes 20 allied nations.
About Pratt & Whitney
Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power units. To learn more visit www.prattwhitney.com.
About RTX
RTX is the world's largest aerospace and defense company. With more than 185,000 global employees, we push the limits of technology and science to redefine how we connect and protect our world. Through industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon – we are advancing aviation, engineering integrated defense systems for operational success, and developing next-generation technology solutions and manufacturing to help global customers address their most critical challenges. The company, with 2024 sales of more than $80 billion, is headquartered in Arlington, Virginia.
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