Cummins QSB7G3 vs John Deere 6068HFG05
The Cummins QSB7G3 and John Deere 6068HFG05 are both diesel generator engines in a similar power class. Both are rated at roughly 178 kVA. Displacement is 6.7 L versus 6.8 L. The table below compares their full specifications side by side.
| Specification | Cummins QSB7G3 | John Deere 6068HFG05 |
|---|---|---|
| Headline rating | 175 kVA | 180 kVA |
| Standby (50 Hz) | 140 kWe | 144 kWe |
| Prime (50 Hz) | 120 kWe | 130 kWe |
| Standby (60 Hz) | 150 kWe | 169 kWe |
| Prime (60 Hz) | 136 kWe | 153 kWe |
| Displacement | 6.7 L | 6.8 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 3 / EU Stage IIIA / China III | U.S. EPA Final Tier 4 |
| Dry weight | — | — |
| Origin | United States / United Kingdom | United States |
Choosing between Cummins QSB7G3 and John Deere 6068HFG05
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 John Deere 6068HFG05 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.