Cummins KTA38-G1 vs Volvo Penta TWD1673GE
The Cummins KTA38-G1 and Volvo Penta TWD1673GE are both diesel generator engines in a similar power class. Both are rated at roughly 785 kVA. Displacement is 38 L versus 16.1 L. The table below compares their full specifications side by side.
| Specification | Cummins KTA38-G1 | Volvo Penta TWD1673GE |
|---|---|---|
| Headline rating | 788 kVA | 781 kVA |
| Standby (50 Hz) | 630 kWe | — |
| Prime (50 Hz) | 570 kWe | — |
| Standby (60 Hz) | 770 kWe | 625 kWe |
| Prime (60 Hz) | 700 kWe | 570 kWe |
| Displacement | 38 L | 16.1 L |
| Configuration | V12 | L6 |
| Cylinders | 12 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Final Tier 4 |
| Dry weight | — | — |
| Origin | China | Sweden |
Choosing between Cummins KTA38-G1 and Volvo Penta TWD1673GE
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 Cummins KTA38-G1 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.