GE90-77B

Engine model
Manufacturer General Electric
Engine type Turbofan

Technical specifications

Design
Control system FADEC
Fan blades
22
Fan stages
1
HP compressor stages
10
HP turbine stages
2
LP compressor stages
3
LP turbine stages
6
Dimensions
Fan diameter
3.1 m
10.17 ft
Height
3.95 m
12.96 ft
Length
7.28 m
23.88 ft
Width
3.87 m
12.7 ft
Performance
Bypass ratio
8.4:1
Pressure ratio
40:1
Rotation speeds
N1 RPM
2,262
N2 RPM
9,332
Thrust limits
Max. continuous thrust
335.5 kN
75,430 lbf
Max. takeoff thrust
363.4 kN
81,700 lbf
Weights
Dry weight
7,892 kg
17,400 lb