Caterpillar CG170-16 vs Cummins QSK60G
The Caterpillar CG170-16 and Cummins QSK60G are both natural gas generator engines in a similar power class. Both are rated at roughly 1,938 kVA. Displacement is 70.8 L versus 60.2 L. The table below compares their full specifications side by side.
| Specification | Caterpillar CG170-16 | Cummins QSK60G |
|---|---|---|
| Headline rating | 1,950 kVA | 1,925 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 1,560 kWe | 1,540 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | 1,560 kWe | — |
| Displacement | 70.8 L | 60.2 L |
| Configuration | V16 | V16 |
| Cylinders | 16 | 16 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Stationary |
| Dry weight | — | — |
| Origin | Germany | United States |
Choosing between Caterpillar CG170-16 and Cummins QSK60G
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 Caterpillar CG170-16 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.