Mitsubishi S6A3-PTAA vs Perkins 2806FAE18TAG1
The Mitsubishi S6A3-PTAA and Perkins 2806FAE18TAG1 are both diesel generator engines in a similar power class. Both are rated at roughly 576 kVA. Displacement is 18.56 L versus 18.1 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S6A3-PTAA | Perkins 2806FAE18TAG1 |
|---|---|---|
| Headline rating | 574 kVA | 578 kVA |
| Standby (50 Hz) | 459.2 kWe | 462 kWe |
| Prime (50 Hz) | 418.4 kWe | 420 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 18.56 L | 18.1 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 CPCBIV+ |
| Dry weight | 1800 kg | — |
| Origin | Japan | United States |
Choosing between Mitsubishi S6A3-PTAA and Perkins 2806FAE18TAG1
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 Perkins 2806FAE18TAG1 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.