SDEC 6JTAA17-G311 vs Volvo Penta TWD1645GE
The SDEC 6JTAA17-G311 and Volvo Penta TWD1645GE are both diesel generator engines in a similar power class. Both are rated at roughly 771 kVA. Displacement is 17 L versus 16.1 L. The table below compares their full specifications side by side.
| Specification | SDEC 6JTAA17-G311 | Volvo Penta TWD1645GE |
|---|---|---|
| Headline rating | 771 kVA | 770 kVA |
| Standby (50 Hz) | 617 kWe | 616 kWe |
| Prime (50 Hz) | 560 kWe | 560 kWe |
| Standby (60 Hz) | — | 640 kWe |
| Prime (60 Hz) | — | 582 kWe |
| Displacement | 17 L | 16.1 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China National Stage III / Unregulated | Euro Stage II / U.S. EPA Tier 2 |
| Dry weight | — | — |
| Origin | China | Sweden |
Choosing between SDEC 6JTAA17-G311 and Volvo Penta TWD1645GE
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 SDEC 6JTAA17-G311 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.