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GEnx
Engine
GE Aerospace

Delivering proven

performance
As the fastest-selling widebody jet engine in GE Aerospace history with more than 3,000+ engines in-service and on order, the GEnx delivers proven performance for the Boeing 787 Dreamliner and Boeing 747-8
    statistics-block-image
    Leading-edge technologies and advanced architecture offer:

    3X

    Higher time on wing

    Highest reliability
    99.98 dispatch rate, 3 times higher time on wing, and 3 times fewer significant events

    1.4

    %

    Reduced CO2 emissions per year

    Highest reliability
    1.4% better SFC vs. the competition for a 3,000 nautical mile mission

    3

    %

    Higher annual utilization

    Highest availability
    3% higher annual utilization means 7 more days per year of aircraft availability

    Most

    Advanced technology

    Advanced materials provide greater durability, lighter weight, and higher LLP lives
    The GEnx powers
    many of the longest 787 Dreamliner routes

    With its superior efficiency, the GEnx powers many of the longest 787 Dreamliner routes, including Qantas’s 787-9 recording-breaking nonstop flight from New York to Sydney.

    GE Aerospace
    GE Aerospace
    GEnx-1B Engine
    Boeing 787, -8, -9, -10
    GE Aerospace
    GEnx-2B Engine
    Boeing 747-8, Freighter

    GEnx Engine Model Comparison

    -1B70 (787-8)
    -1B74/75 (787-9)
    -1B76 (787-10)
    -2B67B (747-8)
    Take off thrust
    69,800
    74,100
    76,100
    66,500
    Bypass ratio (takeoff / top-of-climb)
    9.0 / 8.3
    8.8 / 8.1
    8.8 / 7.9
    8.0 / 7.4
    Overall pressure ratio (takeoff / top-of-climb)
    43.8 / 53.3
    46.3 / 55.4
    47.4 / 58.1
    44.7 / 52.4
    Air Mass Flow (takeoff, lbs-mass/sec)
    2559
    2624
    2658
    2297
    Fan Diameter (in)
    111.1"
    111.1"
    111.1"
    104.7"
    Base Engine Length (in)*
    184.7
    184.7
    184.7
    169.7
    Compressor Stages (Fan/Booster/HPC)
    1/4/10
    1/4/10
    1/4/10
    1/3/10
    Turbine Stages (HP/LP)
    2/7
    2/7
    2/7
    2/6
    Combustor
    SAC/TAPS
    SAC/TAPS
    SAC/TAPS
    SAC/TAPS
    Control
    FADEC III
    FADEC III
    FADEC III
    FADEC III
    Bearings
    2B+4R
    2B+4R
    2B+4R
    2B+4R