Cummins QSB5G10 vs John Deere 4045TF285
The Cummins QSB5G10 and John Deere 4045TF285 are both diesel generator engines in a similar power class. Both are rated at roughly 79 kVA. The table below compares their full specifications side by side.
| Specification | Cummins QSB5G10 | John Deere 4045TF285 |
|---|---|---|
| Headline rating | 79 kVA | 78 kVA |
| Standby (50 Hz) | 63 kWe | — |
| Prime (50 Hz) | 58 kWe | — |
| Standby (60 Hz) | 73 kWe | 62 kWe |
| Prime (60 Hz) | 66 kWe | 56 kWe |
| Displacement | 4.5 L | 4.5 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Final Tier 4 / EU Stage IIIA | U.S. EPA Tier 3 |
| Dry weight | — | — |
| Origin | United States / United Kingdom | United States |
Choosing between Cummins QSB5G10 and John Deere 4045TF285
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 QSB5G10 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.