Cummins QSK60G9 vs Kohler KD62V12
The Cummins QSK60G9 and Kohler KD62V12 are both diesel generator engines in a similar power class. Both are rated at roughly 2,813 kVA. Displacement is 60 L versus 62.4 L. The table below compares their full specifications side by side.
| Specification | Cummins QSK60G9 | Kohler KD62V12 |
|---|---|---|
| Headline rating | 2,813 kVA | 2,813 kVA |
| Standby (50 Hz) | — | 2,250 kWe |
| Prime (50 Hz) | — | 2,050 kWe |
| Standby (60 Hz) | 2,250 kWe | 2,500 kWe |
| Prime (60 Hz) | 2,000 kWe | 2,250 kWe |
| Displacement | 60 L | 62.4 L |
| Configuration | V16 | V12 |
| Cylinders | 16 | 12 |
| Rated speed | 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Tier 2 |
| Dry weight | — | — |
| Origin | United Kingdom | France |
Choosing between Cummins QSK60G9 and Kohler KD62V12
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.