Lister Petter LP625EG5 vs PSI 20L-D
The Lister Petter LP625EG5 and PSI 20L-D are both diesel generator engines in a similar power class. Both are rated at roughly 817 kVA. The table below compares their full specifications side by side.
| Specification | Lister Petter LP625EG5 | PSI 20L-D |
|---|---|---|
| Headline rating | 820 kVA | 813 kVA |
| Standby (50 Hz) | 656 kWe | — |
| Prime (50 Hz) | 600 kWe | — |
| Standby (60 Hz) | — | 650 kWe |
| Prime (60 Hz) | — | — |
| Displacement | — | 19.62 L |
| Configuration | — | L6 |
| Cylinders | — | 6 |
| Rated speed | 1,500 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | — | Liquid-Cooled |
| Emissions | Euro Stage III | U.S. EPA Tier 3 |
| Dry weight | — | 2110 kg |
| Origin | United Kingdom | United States |
Choosing between Lister Petter LP625EG5 and PSI 20L-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 Lister Petter LP625EG5 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.