Cummins QSK95G5 vs PSI 88L-D
The Cummins QSK95G5 and PSI 88L-D are both diesel generator engines in a similar power class. Both are rated at roughly 3,500 kVA. Displacement is 95 L versus 87.5 L. The table below compares their full specifications side by side.
| Specification | Cummins QSK95G5 | PSI 88L-D |
|---|---|---|
| Headline rating | 3,500 kVA | 3,500 kVA |
| Standby (50 Hz) | 2,800 kWe | — |
| Prime (50 Hz) | 2,500 kWe | — |
| Standby (60 Hz) | — | 2,800 kWe |
| Prime (60 Hz) | — | — |
| Displacement | 95 L | 87.5 L |
| Configuration | V16 | V16 |
| Cylinders | 16 | 16 |
| Rated speed | 1,500 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 2 | U.S. EPA Tier 3 |
| Dry weight | — | 11500 kg |
| Origin | United States | United States |
Choosing between Cummins QSK95G5 and PSI 88L-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.