Mitsubishi S16R-PTA vs Perkins 401246TAG4A
The Mitsubishi S16R-PTA and Perkins 401246TAG4A are both diesel generator engines in a similar power class. Both are rated at roughly 1,924 kVA. Displacement is 65.37 L versus 46 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S16R-PTA | Perkins 401246TAG4A |
|---|---|---|
| Headline rating | 1,924 kVA | 1,923 kVA |
| Standby (50 Hz) | 1,539.2 kWe | 1,538 kWe |
| Prime (50 Hz) | 1,406.4 kWe | 1,401 kWe |
| Standby (60 Hz) | 1,662.4 kWe | — |
| Prime (60 Hz) | 1,510.4 kWe | — |
| Displacement | 65.37 L | 46 L |
| Configuration | V16 | V12 |
| Cylinders | 16 | 12 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | Japan | India / United Kingdom |
Choosing between Mitsubishi S16R-PTA and Perkins 401246TAG4A
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 Mitsubishi S16R-PTA has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.