The PW100 is a family of turboprop engines designed to power 30 to 70 seat regional transport aircraft. The family concept of powerplant and gearbox allows a continuum of engines to meet a range of performance requirements.
Work began on the PW100 in the late 1970s.

models

• PW118: 1,800 hp (1340 kW)
• PW120: 1,800 hp (1340 kW)
• PW120A: 2,000 hp (1491 kW)
• PW150A: 4,573 hp (3410 kW)

specifications

• Two-spool turboprop
• Compressor: low- and high-pressure single-stage centrifugal compressors
• Turbine: low- and high-pressure single-stage axial turbines
• Power: two-stage axial "free" turbines

used by

• ATR 42
• Bombardier Q400
• de Havilland Canada DHC-8
• Embraer EMB 120 Brasilia