Pratt & Whitney Canada PT6 Turboprop Engine

With excellent performance, reliability, and value, the Pratt & Whitney Canada (P&WC) PT6 turboprop aircraft engine entered service in 1964 and continues to evolve, powering mid-size aircraft across the world. Ranging in power from 500 shp to over 2,000 shp and available in over 70 models, it offers flexibility and capability for a variety of applications. It consists of a gas generator with accessory gearbox and a free-power turbine with reduction gearbox. New technologies have enabled the PT6 to gain more power without significantly increasing size or weight, reduce emissions, and enhance ease of operation.

Did you know?

PT6 variants are found in helicopters, boats, and industry. According to the P&WC website, the PT6 turboprop has 400+ million flying hours and flies in 180 countries.

About this...

This Pratt & Whitney PT6 is displayed in the Museum's Main Gallery as a tribute to the many aircraft it powers around the world.
T-6A Texan II with PT6 Engine
Image Credit: T-6A "Texan II" with P&WC PT6 turboprop engine at Randolph AFB in Texas, by USAF Master Sgt. David Richards, Creative Commons
Pratt & Whitney PT6 Engine
Dimensions: Length 62", Diameter 19", Weight 270 lb 
Compressor: 3-stage axial and 1-stage centrifugal flow compressor Combustor: Annular reverse-flow with 14 burners
Turbine: 1-stage gas generator power turbine and 1-stage free power turbine
PT6 Engine
P&WC PT6 Turboprop Engine, photo by Michael Barera, Creative Commons