The Generator EngineEncyclopedia

VMAN D30B3 vs Weichai 12M26D902E200

The VMAN D30B3 and Weichai 12M26D902E200 are both diesel generator engines in a similar power class. Both are rated at roughly 1,020 kVA. Displacement is 29.235 L versus 31.2 L. The table below compares their full specifications side by side.

SpecificationVMAN D30B3Weichai 12M26D902E200
Headline rating1,024 kVA1,015 kVA
Standby (50 Hz)812 kWe
Prime (50 Hz)738 kWe
Standby (60 Hz)819 kWe911 kWe
Prime (60 Hz)743 kWe828 kWe
Displacement29.235 L31.2 L
ConfigurationV16V12
Cylinders1612
Rated speed1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedChina National Stage II / Unregulated
Dry weight
OriginChinaChina

Choosing between VMAN D30B3 and Weichai 12M26D902E200

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 VMAN D30B3 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.