Bergen B36:45V12 vs Niigata 18V28AGS
The Bergen B36:45V12 and Niigata 18V28AGS are both natural gas generator engines in a similar power class. The Bergen B36:45V12 is the higher-output unit (8,863 kVA vs 7,500 kVA). Displacement is 549.7 L versus 432 L. The table below compares their full specifications side by side.
| Specification | Bergen B36:45V12 | Niigata 18V28AGS |
|---|---|---|
| Headline rating | 8,863 kVA | 7,500 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 7,090 kWe | 6,000 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 549.7 L | 432 L |
| Configuration | V12 | V18 |
| Cylinders | 12 | 18 |
| Rated speed | 750 RPM | 750 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | 100000 kg | — |
| Origin | Norway | Japan |
Choosing between Bergen B36:45V12 and Niigata 18V28AGS
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 Bergen B36:45V12 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.