MAN E 0834 E312 vs Yanmar CP35D1 Gas Engine
The MAN E 0834 E312 and Yanmar CP35D1 Gas Engine are both natural gas generator engines in a similar power class. Both are rated at roughly 45 kVA. Displacement is 4.6 L versus 3.3 L. The table below compares their full specifications side by side.
| Specification | MAN E 0834 E312 | Yanmar CP35D1 Gas Engine |
|---|---|---|
| Headline rating | 45 kVA | 44 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 36 kWe | — |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | 43 kWe | 35 kWe |
| Displacement | 4.6 L | 3.3 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Stationary |
| Dry weight | — | — |
| Origin | Germany | Japan |
Choosing between MAN E 0834 E312 and Yanmar CP35D1 Gas Engine
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 MAN E 0834 E312 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.