The Generator EngineEncyclopedia

Bergen B36:45V16 vs Jenbacher J920 FleXtra

The Bergen B36:45V16 and Jenbacher J920 FleXtra are both natural gas generator engines in a similar power class. The Jenbacher J920 FleXtra is the higher-output unit (13,258 kVA vs 11,838 kVA). The table below compares their full specifications side by side.

SpecificationBergen B36:45V16Jenbacher J920 FleXtra
Headline rating11,838 kVA13,258 kVA
Standby (50 Hz)
Prime (50 Hz)9,470 kWe10,606 kWe
Standby (60 Hz)
Prime (60 Hz)9,542 kWe
Displacement732.9 L
ConfigurationV16V20
Cylinders1620
Rated speed750 RPM1,000 / 1,200 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight150000 kg
OriginNorwayAustria

Choosing between Bergen B36:45V16 and Jenbacher J920 FleXtra

Use this comparison as an engineering shortlist, then confirm the complete generator package against load profile, voltage, 50/60 Hz frequency, duty class, emissions rules, cooling margin, altitude, ambient temperature, enclosure design, controller features, and alternator sizing. The Jenbacher J920 FleXtra has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.