Bergen B36:45V12 vs Wärtsilä 16V34SG
The Bergen B36:45V12 and Wärtsilä 16V34SG are both natural gas generator engines in a similar power class. The Wärtsilä 16V34SG is the higher-output unit (9,788 kVA vs 8,863 kVA). Displacement is 549.7 L versus 581.2 L. The table below compares their full specifications side by side.
| Specification | Bergen B36:45V12 | Wärtsilä 16V34SG |
|---|---|---|
| Headline rating | 8,863 kVA | 9,788 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 7,090 kWe | 7,830 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | 7,491 kWe |
| Displacement | 549.7 L | 581.2 L |
| Configuration | V12 | V16 |
| Cylinders | 12 | 16 |
| Rated speed | 750 RPM | 750 / 900 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | 100000 kg | — |
| Origin | Norway | Finland |
Choosing between Bergen B36:45V12 and Wärtsilä 16V34SG
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 Wärtsilä 16V34SG has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.