Pratt & Whitney JT8D

The JT8D is a turbofan version of the J52 turbojet. This engine was produced to power the Boeing 727 in 1964. Today the JT8D is used by 350 operators to power more than 4,500 aircraft. More than 14,000 have been built.

models

  • JT8D-17: 16,000 lb (72 kN) thrust
  • JT8D-217: 20,000 lb (89 kN) thrust

specifications

  • Turbofan
  • 2 fan stages
  • 6 compressor stages
  • 3 stage turbine
  • bypass ratio: 1.74
  • pressure ratio: 18.2 - 19.4
  • mass flow: 315-331 lbs/sec

used by

  • Boeing 727
  • Douglas DC-9
  • McDonnell Douglas MD-80