PW4156

Engine model
Manufacturer Pratt & Whitney
Engine type Turbofan

Technical specifications

Design
Control system Dual channel FADEC
Fan stages
1
HP compressor stages
11
HP turbine stages
2
LP compressor stages
4
LP turbine stages
4
Dimensions
Fan diameter
2.39 m
7.84 ft
Height
2.48 m
8.14 ft
Length
3.9 m
12.8 ft
Performance
Bypass ratio
4.9:1
Pressure ratio
30.2:1
Thrust limits
Max. continuous thrust
220.5 kN
49,580 lbf
Max. takeoff thrust
249.1 kN
56,000 lbf
Weights
Dry weight
4,273 kg
9,420 lb