PSI 13L HO vs VMAN DT15NG
The PSI 13L HO and VMAN DT15NG are both natural gas generator engines in a similar power class. Both are rated at roughly 343 kVA. Displacement is 12.54 L versus 15.07 L. The table below compares their full specifications side by side.
| Specification | PSI 13L HO | VMAN DT15NG |
|---|---|---|
| Headline rating | 336 kVA | 350 kVA |
| Standby (50 Hz) | 269 kWe | — |
| Prime (50 Hz) | — | 280 kWe |
| Standby (60 Hz) | 311 kWe | — |
| Prime (60 Hz) | — | — |
| Displacement | 12.54 L | 15.07 L |
| Configuration | L6 | V8 |
| Cylinders | 6 | 8 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Stationary | Unregulated |
| Dry weight | 1050 kg | — |
| Origin | United States | China |
Choosing between PSI 13L HO and VMAN DT15NG
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 VMAN DT15NG has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.