The Wasp. The Hornet. The JT3D. Famous engines that gave aviation a big lift.

Since 1925, Pratt & Whitney has built more than a half-million piston and jet engines in 30 engine families. From early barnstormers to World War II fighters, from the first passenger planes to ground-breaking military jets, Pratt & Whitney engines have powered hundreds of different aircraft from years past.

Here's a collection of our engines that are out of production. In the tradition of Dependable Engines, many of these engines continue to fly around the world.