Lister Petter SA427G1 vs Mitsubishi S4Q2-61SDB
The Lister Petter SA427G1 and Mitsubishi S4Q2-61SDB are both diesel generator engines in a similar power class. Both are rated at roughly 24 kVA. Displacement is 2.7 L versus 2.505 L. The table below compares their full specifications side by side.
| Specification | Lister Petter SA427G1 | Mitsubishi S4Q2-61SDB |
|---|---|---|
| Headline rating | 24 kVA | 23 kVA |
| Standby (50 Hz) | 19 kWe | 18.2 kWe |
| Prime (50 Hz) | 17 kWe | 16.6 kWe |
| Standby (60 Hz) | 22 kWe | — |
| Prime (60 Hz) | 20 kWe | — |
| Displacement | 2.7 L | 2.505 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,485 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Euro Stage II | Unregulated |
| Dry weight | — | 195 kg |
| Origin | United Kingdom | Japan |
Choosing between Lister Petter SA427G1 and Mitsubishi S4Q2-61SDB
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 Lister Petter SA427G1 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.