MTU has been cooperating with Pratt & Whitney Canada since 1993 on the PW500 engine family for medium-size business jets. MTU has a stake of 25 percent in this program.

Engines of the PW500 family are two-shaft turbofans. MTU’s contribution includes the development and manufacture of the complete low-pressure turbine including the exit casing and the mixer for the PW530 and PW545 models.




  • Single-stage fan with integral blades
  • Three-stage high-pressure compressor with two axial stages (blisks) and one radial stage
  • Reverse-flow annular combustion chamber
  • Single-stage high-pressure turbine with cooled vanes
  • Bypass casing over the full engine length
  • Mixing of cold and hot gas streams in the mixer
  • Booster stage in the low-pressure compressor and three-stage low-pressure turbine (PW545)
  • Three-stage low-pressure turbine (PW545)
  • Digital engine control (EEC) with hydromechanical backup (PW545)

Development and production

  • Low-pressure turbine
  • Casing
  • Mixer

MTU share

  • 25 %


  • Repair and overhaul at MTU Maintenance Berlin-Brandenburg


  • Pratt & Whitney Canada

Technical Data

Max. thrust (Start)4,500 lbf
Bypass ratio4.12:1
Pressure ratio15.49:1
Length67 in
Fan diameter27 in
Weight824 lbs


  • Cessna Citation Bravo
  • Cessna Citation Excel
  • Cessna Citation XLS
  • Cessna Citation XLS+
  • General Atomics Predator C ("Avenger")