According to PWC, the pw500 is a two-spool engine with a three-stage high-pressure compressor driven by a single-stage, cooled high-pressure turbine and a two-stage low-pressure turbine driving a robust, efficient turbofan. The PW535 and PW545 series incorporate an added compressor boost stage driven by the fan.
With a thrust rating of 4,118 pounds, the PW545C is the latest and most powerful model in the PW500 series. This engine provides enhanced performance and fuel economy over earlier models and is intended for midsize commercial jets and regional aircraft. The PW500 series is also known for other popular models (statistics provided by Pratt & Whitney Canada Aircraft database):
PW500 Model      Thrust Rating (lbs)      Applications
PW530AÂ Â Â Â Â Â Â Â Â Â Â 2,887Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Citation Bravo
PW535AÂ Â Â Â Â Â Â Â Â Â Â 3,399Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Cessna Citation Ultra Encore & Cessna UC-35 C/D
PW535BÂ Â Â Â Â Â Â Â Â Â Â 3,399Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Cessna Citation Encore+
PW535EÂ Â Â Â Â Â Â Â Â Â Â 3,361Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Embraer Phenom 300
PW545AÂ Â Â Â Â Â Â Â Â Â 3,952Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Citation Excel
PW545BÂ Â Â Â Â Â Â Â Â Â 4,118Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Citation XLS
PW545CÂ Â Â Â Â Â Â Â Â Â 4,118Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Citation XLS+