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Engine

Pratt & Whitney JT8D

The JT8D is a low-bypass turbofan widely used on early short- and medium-haul jets including Boeing 727, early 737, DC-9, and MD-80 families.

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Overview

The JT8D is a low-bypass turbofan widely used on early short- and medium-haul jets including Boeing 727, early 737, DC-9, and MD-80 families.

Advantages

  • Huge historical installed base.
  • Durable for high-cycle short-haul service.

Limitations

  • Noise and fuel burn are high by modern standards.
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Branches & models

Select a branch to inspect its documented model codes and aircraft applications.

JT8D6 models
  • JT8D-1727-100
  • JT8D-7727-100, 727-200, 737-100, 737-200
  • JT8D-9727-100, 727-200, 737-200
  • JT8D-15727-200 Advanced, 737-200 Advanced
  • JT8D-17727-200 Advanced, 737-200 Advanced
  • JT8D-17R727-200 Advanced, 727 freighter conversions
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Technical context

Technical notes

  • Closely tied to first-generation narrow-body jet operations.
  • Powered 727 trijets and early 737 Original aircraft.
  • Typical aircraft applications: boeing-727, boeing-737.
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Sources