Pratt & Whitney's PW4000 94-inch fan model is the first in a family of high-thrust aircraft engines. With certified thrust ranging from 52,000 to 62,000 pounds, it powers the Airbus A310-300 and A300-600 aircraft and Boeing 747-400, 767-200/300 and MD-11 aircraft. For twin-engine aircraft, the PW4000 is approved for 180-minute ETOPS (Extended-range Twin-engine Operations), giving airlines excellent operational flexibility. There have been over 2,150 engines produced, which are providing dependable power for airlines around the world.
Since entering revenue service in 1987, the PW4000 has offered airlines excellent operating economics and high reliability. Advanced, service-proven technologies, such as single-crystal superalloy materials and its Full-Authority Digital Electronic Control (FADEC), contribute to superior fuel economy and reliability. The engine's benefits are further enhanced by excellent performance retention, long on-wing times and low maintenance costs.
The PW4000’s noise and emissions parameters are lower than levels required for all current and anticipated emissions and noise regulations. For a further reduction in emissions, Pratt & Whitney’s TALON (Technology for Advanced Low NOx) combustor technology is now available for the PW4000. Derived from the 112-inch fan model, TALON has segmented, replaceable liner panels for easy maintainability and air blast fuel nozzles for excellent fuel atomization and mixing resulting in clearer burning and low emissions.
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