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The Pratt & Whitney F117 is a variant of the PW2000 commercial engine with a high-bypass turbofan aero and thrust range from 37,000 to 43,000 lbf (165 to 190 kN). The C-17 was developed for the United States Air Force from the 1980s to the early 1990s by McDonnell Douglas. The C-17 is used for rapid strategic airlift of troops and cargo to main operating bases or forward operating bases throughout the world. It has the ability to rapidly deploy a combat unit to a potential battle area and sustain it with on-going supplies. MEPC is exploring options to provide engine MRO services on the F117 engines installed on the C-17 Globemaster Aircraft .

General Characteristics

  • Type: Turbofan
  • Length: 141.4 inches (3,592 mm)
  • Diameter: 78.5 inches (1,994 mm)


  • Compressor: Axial
  • Combustors: Annular
  • Turbine: 8 stage axial
  • Fuel type: Jet-A Aviation Kerosene


  • Maximum Thrust: 38,400–43,734 pounds-force (171–195 kN)
  • Overall pressure ratio: 27.6-31.2 .