Haifeng Machinery

MAN E 3872 LE202 vs Weichai 12M33D900E310NG

The MAN E 3872 LE202 and Weichai 12M33D900E310NG are both natural gas generator engines in a similar power class. Both are rated at roughly 1,011 kVA. Displacement is 29.6 L versus 39.6 L. The table below compares their full specifications side by side.

SpecificationMAN E 3872 LE202Weichai 12M33D900E310NG
Headline rating1,008 kVA1,013 kVA
Standby (50 Hz)810 kWe
Prime (50 Hz)800 kWe
Standby (60 Hz)864 kWe
Prime (60 Hz)806 kWe
Displacement29.6 L39.6 L
ConfigurationV12V12
Cylinders1212
Rated speed1,800 RPM1,500 / 1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight
OriginGermanyChina

Choosing between MAN E 3872 LE202 and Weichai 12M33D900E310NG

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 12M33D900E310NG has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.