JT9D

Engine: JT9D

Power: 48,000-56,000 LB of Thrust

First Introduced: September 1965 Aircraft

Designed for: Boeing 747-100/-200 (While designed and used mainly on the 747, it also saw use on a handful of A300s, B767s, and DC-10s)

Manufacturer: Pratt and Whitney

Cost: $800,000 ($7,200,000 Today)

Personal Ratings

Iconic: 9/10 (the first high bypass engine)

power: 8/10 (still holds its ground in the freight industry)

Sound: 10/10

Versatility: 9/10

Special Notes: If Pan Am didn't to help to create the idea of the 747, this engine may never have existed.