The Generator EngineEncyclopedia

Liebherr D9612 vs Weichai 12M33D1108E200

The Liebherr D9612 and Weichai 12M33D1108E200 are both diesel generator engines in a similar power class. Both are rated at roughly 1,223 kVA. Displacement is 27 L versus 39.6 L. The table below compares their full specifications side by side.

SpecificationLiebherr D9612Weichai 12M33D1108E200
Headline rating1,200 kVA1,246 kVA
Standby (50 Hz)960 kWe997 kWe
Prime (50 Hz)864 kWe906 kWe
Standby (60 Hz)1,138 kWe
Prime (60 Hz)1,035 kWe
Displacement27 L39.6 L
ConfigurationV12V12
Cylinders1212
Rated speed1,500 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsEuro Stage VChina National Stage II / Unregulated
Dry weight
OriginSwitzerlandChina

Choosing between Liebherr D9612 and Weichai 12M33D1108E200

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 Weichai 12M33D1108E200 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.