Haifeng Machinery

MTU MTU 12V2000 G65 vs SDEC 6KTAA25-G32.1

The MTU MTU 12V2000 G65 and SDEC 6KTAA25-G32.1 are both diesel generator engines in a similar power class. Both are rated at roughly 855 kVA. Displacement is 23.88 L versus 25 L. The table below compares their full specifications side by side.

SpecificationMTU MTU 12V2000 G65SDEC 6KTAA25-G32.1
Headline rating861 kVA849 kVA
Standby (50 Hz)689 kWe
Prime (50 Hz)626 kWe
Standby (60 Hz)679 kWe
Prime (60 Hz)617 kWe
Displacement23.88 L25 L
ConfigurationV12L6
Cylinders126
Rated speed1,500 RPM1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedChina National Stage III / Unregulated
Dry weight
OriginGermanyChina

Choosing between MTU MTU 12V2000 G65 and SDEC 6KTAA25-G32.1

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 MTU MTU 12V2000 G65 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.