Haifeng Machinery

Mitsubishi S12R-PTA vs MTU MTU 18V2000 G26F

The Mitsubishi S12R-PTA and MTU MTU 18V2000 G26F are both diesel generator engines in a similar power class. Both are rated at roughly 1,369 kVA. Displacement is 49.03 L versus 40.2 L. The table below compares their full specifications side by side.

SpecificationMitsubishi S12R-PTAMTU MTU 18V2000 G26F
Headline rating1,373 kVA1,364 kVA
Standby (50 Hz)1,098 kWe1,091 kWe
Prime (50 Hz)999 kWe992 kWe
Standby (60 Hz)1,188 kWe
Prime (60 Hz)1,071 kWe
Displacement49.03 L40.2 L
ConfigurationV12V18
Cylinders1218
Rated speed1,500 / 1,800 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight
OriginJapanGermany

Choosing between Mitsubishi S12R-PTA and MTU MTU 18V2000 G26F

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 Mitsubishi S12R-PTA has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.