The Generator EngineEncyclopedia

Mitsubishi S16R-PTA3-C vs Weichai 20M33D2020E310

The Mitsubishi S16R-PTA3-C and Weichai 20M33D2020E310 are both diesel generator engines in a similar power class. Both are rated at roughly 2,280 kVA. Displacement is 65.37 L versus 66 L. The table below compares their full specifications side by side.

SpecificationMitsubishi S16R-PTA3-CWeichai 20M33D2020E310
Headline rating2,286 kVA2,273 kVA
Standby (50 Hz)1,828.8 kWe1,818 kWe
Prime (50 Hz)1,662.5 kWe1,665 kWe
Standby (60 Hz)2,000 kWe2,007 kWe
Prime (60 Hz)1,800 kWe1,824 kWe
Displacement65.37 L66 L
ConfigurationV16V20
Cylinders1620
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsChina National Stage III / UnregulatedChina National Stage III / Unregulated
Dry weight6900 kg
OriginChinaChina

Choosing between Mitsubishi S16R-PTA3-C and Weichai 20M33D2020E310

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 S16R-PTA3-C has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.