Haifeng Machinery

SDEC 6KTAA25-G321 vs VMAN D30B2

Compare SDEC 6KTAA25-G321 and VMAN D30B2 by recorded output, operating duty, frequency and engine specifications. Their listed displacements are 25 L and 29.235 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.

SpecificationSDEC 6KTAA25-G321VMAN D30B2
Standby electrical (50 Hz)873 kWeNot listed
Prime electrical (50 Hz)792 kWeNot listed
Standby electrical (60 Hz)Not listed869 kWe
Prime electrical (60 Hz)Not listed792 kWe
Displacement25 L29.235 L
ConfigurationL6V16
Cylinders616
Recorded engine speed1,500 RPM1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
Recorded emissions classificationChina National Stage III / UnregulatedUnregulated
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.

SDEC 6KTAA25-G321: Review the model record and available supporting documents

VMAN D30B2: Review the model record and available supporting documents

Choosing between SDEC 6KTAA25-G321 and VMAN D30B2

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.