PRATT & WHITNEY JT9D-7J


  • For Sale
  • Turbine Engine
  • PRATT & WHITNEY JT9D-7J
  • Used
  • Not Listed
  • Chantilly, VA USA 20151

Call for Price

I accept the Trade-A-Plane terms of use & service:   


Stay safe. Read more about avoiding scams and protecting your money. By using this site, you agree to our Terms of Use & our Privacy Policy.


  • For Sale
  • Turbine Engine
  • PRATT & WHITNEY JT9D-7J
  • Used
  • Not Listed
  • Chantilly, VA USA 20151

4170 Lafayette Dr.

Chantilly, VA 20151 USA

Map It

General Specs (cont.)

Detailed Description

The JT9D engine is a high-bypass turbofan aircraft engine manufactured by Pratt & Whitney. It was first introduced in the late 1960s and was widely used on several commercial airliners, including the Boeing 747, McDonnell Douglas DC-10, and Boeing 767.

The development of the JT9D engine began in the early 1960s as a response to the demand for more powerful and fuel-efficient engines for wide-body aircraft. The engine features a two-spool design, with a low-pressure compressor and high-pressure compressor driven by separate turbines. This design allows for better efficiency and improved performance.

Over the years, various models of the JT9D engine were developed, each with different thrust ratings and improvements. These engines underwent several upgrades and advancements to enhance their reliability, fuel efficiency, and overall performance. The engine series played a significant role in the development of long-haul air travel, enabling airlines to operate larger aircraft on intercontinental routes.