Pratt & Whitney’s PW4000-94-inch engine has surpassed 150 million flight hours and 35 years of operational service. Entering service in 1987, the engine maker delivered over 2,500 units, and it was the first model in Pratt & Whitney’s high-thrust family for large aircraft, covering a range of 52,000 to 62,0000 pounds of thrust.
These engines presently serve more than 70 customers in 30 countries, powering Boeing 747/767 and MD-11, Airbus A300/310 and the KC-46A aircraft across passenger, cargo, and military missions. Over 55% of the aircraft powered by the engine today serve the cargo industry.
Bernie Zimmerman, Vice President, Operational Commercial Engines, Pratt & Whitney, said, “This milestone is a testament to the PW4000-94-inch engine’s legacy of reliability and performance. The 94-inch offers good operational flexibility, fuel economy, and lower noise than the competing engine. It’s an engine that’s been proven on a variety of applications — passenger, cargo, and military.”
John Wiitala, Vice President, Technical Services, United Airlines, said, “United has appreciated the reliability, great fuel economy and low maintenance costs of these engines.”
The PW4000-94-inch engine entered service on United, Boeing 747-400s in 1989, and the Boeing 767-300 in 1991.
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