Cummins QSB5.9-G30 vs Mahindra 61695 GM
The Cummins QSB5.9-G30 and Mahindra 61695 GM are both diesel generator engines in a similar power class. Both are rated at roughly 140 kVA. Displacement is 5.9 L versus 5.86 L. The table below compares their full specifications side by side.
| Specification | Cummins QSB5.9-G30 | Mahindra 61695 GM |
|---|---|---|
| Headline rating | 140 kVA | 139 kVA |
| Standby (50 Hz) | 112 kWe | 111.6 kWe |
| Prime (50 Hz) | 90 kWe | 100 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 5.9 L | 5.86 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | India CPCB |
| Dry weight | — | — |
| Origin | China | India |
Choosing between Cummins QSB5.9-G30 and Mahindra 61695 GM
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 QSB5.9-G30 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.