The Generator EngineEncyclopedia

MTU MTU 12V4000 G23 vs SDEC 12KTA58-G35

The MTU MTU 12V4000 G23 and SDEC 12KTA58-G35 are both diesel generator engines in a similar power class. Both are rated at roughly 1,757 kVA. Displacement is 57.2 L versus 58 L. The table below compares their full specifications side by side.

SpecificationMTU MTU 12V4000 G23SDEC 12KTA58-G35
Headline rating1,758 kVA1,755 kVA
Standby (50 Hz)1,406 kWe1,404 kWe
Prime (50 Hz)1,278 kWe1,278 kWe
Standby (60 Hz)
Prime (60 Hz)
Displacement57.2 L58 L
ConfigurationV12V12
Cylinders1212
Rated speed1,500 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedChina National Stage III / Unregulated
Dry weight
OriginGermanyChina

Choosing between MTU MTU 12V4000 G23 and SDEC 12KTA58-G35

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 12V4000 G23 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.