Mitsubishi S16R2-PTAW2-E vs PSI 66L-D
The Mitsubishi S16R2-PTAW2-E and PSI 66L-D are both diesel generator engines in a similar power class. Both are rated at roughly 2,881 kVA. Displacement is 79.9 L versus 65.65 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S16R2-PTAW2-E | PSI 66L-D |
|---|---|---|
| Headline rating | 2,886 kVA | 2,875 kVA |
| Standby (50 Hz) | 2,308.8 kWe | — |
| Prime (50 Hz) | 2,098.4 kWe | — |
| Standby (60 Hz) | — | 2,300 kWe |
| Prime (60 Hz) | — | — |
| Displacement | 79.9 L | 65.65 L |
| Configuration | V16 | V12 |
| Cylinders | 16 | 12 |
| Rated speed | 1,500 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Tier 3 |
| Dry weight | 7750 kg | — |
| Origin | Japan | United States |
Choosing between Mitsubishi S16R2-PTAW2-E and PSI 66L-D
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 S16R2-PTAW2-E has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.