Pratt & Whitney began working on the JT10D in October 1971 intended for the
McDonnell Douglas YC-15 into the
Advanced Medium STOL Transport project and the
Boeing 767, then code named 7X7, which first ran in August 1974.
MTU Aero Engines holds a 21.2% stake in the engine project, having developed the low-pressure turbine and turbine exit casing as well as producing critical parts of the low-pressure turbine, the turbine exhaust casing, high-pressure
compressor and high-pressure turbine components. The first PW2037 equipped
Boeing 757 flew on 14 March 1984 and delivery began on 5 November to
Delta as the launch customer for the civil aviation version of the engine. Other than the 757, the PW2000 series engines also power the
C-17 Globemaster III military transport; the
United States Department of Defense designation for the engine is F117, The latest build standard, named PW2043, launched in 1994. It provides over of thrust. Previous generations of engines can be converted to the PW2043 version. ==Applications==