PSI 20L-D vs SDEC SC25K990D2
The PSI 20L-D and SDEC SC25K990D2 are both diesel generator engines in a similar power class. Both are rated at roughly 815 kVA. Displacement is 19.62 L versus 25 L. The table below compares their full specifications side by side.
| Specification | PSI 20L-D | SDEC SC25K990D2 |
|---|---|---|
| Headline rating | 813 kVA | 816 kVA |
| Standby (50 Hz) | — | 653 kWe |
| Prime (50 Hz) | — | 594 kWe |
| Standby (60 Hz) | 650 kWe | — |
| Prime (60 Hz) | — | — |
| Displacement | 19.62 L | 25 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 3 | China National Stage II / Unregulated |
| Dry weight | 2110 kg | — |
| Origin | USA | China |