Haifeng Machinery

VMAN D22.2 vs Weichai 12M26D792E200

Compare VMAN D22.2 and Weichai 12M26D792E200 by recorded output, operating duty, frequency and engine specifications. Their listed displacements are 21.927 L and 31.2 L, respectively. Start with the same duty and frequency, then check each model’s source and package conditions. These records alone do not establish interchangeability.

SpecificationVMAN D22.2Weichai 12M26D792E200
Standby electrical (50 Hz)Not listed713 kWe
Prime electrical (50 Hz)Not listed648 kWe
Standby electrical (60 Hz)711 kWe812 kWe
Prime electrical (60 Hz)646 kWe738 kWe
Displacement21.927 L31.2 L
ConfigurationV12V12
Cylinders1212
Recorded engine speed1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
Recorded emissions classificationUnregulatedChina National Stage II / Unregulated
Dry weightNot listedNot listed
OriginChinaChina

Compare matching ratings

Read across a row to compare the same operating duty and frequency. kWe is electrical output; mechanical kW is power at the engine shaft. kVA is apparent electrical power and is shown only when kWe is missing, without converting it. “Not listed” means the record lacks that rating, not zero output. Continuous and prime duties are kept separate. Check source documents, units and site conditions before comparing values.

An emissions classification in the catalog is not proof of certification for your engine or installation. Confirm the exact model, applicable documents and generator configuration.

VMAN D22.2: Review the model record and available supporting documents

Weichai 12M26D792E200: Review the model record and available supporting documents

Choosing between VMAN D22.2 and Weichai 12M26D792E200

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.