The Generator EngineEncyclopedia

Mitsubishi S12R-PTA3-C vs VMAN DE58A5

The Mitsubishi S12R-PTA3-C and VMAN DE58A5 are both diesel generator engines in a similar power class. Both are rated at roughly 1,703 kVA. Displacement is 49.03 L versus 57.2 L. The table below compares their full specifications side by side.

SpecificationMitsubishi S12R-PTA3-CVMAN DE58A5
Headline rating1,697 kVA1,708 kVA
Standby (50 Hz)1,357.6 kWe1,366 kWe
Prime (50 Hz)1,242 kWe
Standby (60 Hz)
Prime (60 Hz)
Displacement49.03 L57.2 L
ConfigurationV12V12
Cylinders1212
Rated speed1,500 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsChina National Stage III / UnregulatedUnregulated
Dry weight
OriginChinaChina

Choosing between Mitsubishi S12R-PTA3-C and VMAN DE58A5

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 DE58A5 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.