Haifeng Machinery

Mitsubishi S12R-A2PTAW2 vs Weichai 16M33D1530E310

The Mitsubishi S12R-A2PTAW2 and Weichai 16M33D1530E310 are both diesel generator engines in a similar power class. Both are rated at roughly 1,729 kVA. Displacement is 49.03 L versus 52.8 L. The table below compares their full specifications side by side.

SpecificationMitsubishi S12R-A2PTAW2Weichai 16M33D1530E310
Headline rating1,737 kVA1,721 kVA
Standby (50 Hz)1,389.6 kWe1,377 kWe
Prime (50 Hz)1,263.2 kWe1,251 kWe
Standby (60 Hz)
Prime (60 Hz)
Displacement49.03 L52.8 L
ConfigurationV12V16
Cylinders1216
Rated speed1,500 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 2China National Stage III / Unregulated
Dry weight5270 kg
OriginJapanChina

Choosing between Mitsubishi S12R-A2PTAW2 and Weichai 16M33D1530E310

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-A2PTAW2 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.