Perkins 401246TWG4A vs SDEC 12KTA58-G36
The Perkins 401246TWG4A and SDEC 12KTA58-G36 are both diesel generator engines in a similar power class. Both are rated at roughly 1,598 kVA. Displacement is 46 L versus 58 L. The table below compares their full specifications side by side.
| Specification | Perkins 401246TWG4A | SDEC 12KTA58-G36 |
|---|---|---|
| Headline rating | 1,610 kVA | 1,586 kVA |
| Standby (50 Hz) | 1,288 kWe | 1,269 kWe |
| Prime (50 Hz) | 1,204 kWe | 1,152 kWe |
| Standby (60 Hz) | 1,288 kWe | — |
| Prime (60 Hz) | 1,204 kWe | — |
| Displacement | 46 L | 58 L |
| Configuration | V12 | V12 |
| Cylinders | 12 | 12 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | China National Stage III / Unregulated |
| Dry weight | — | — |
| Origin | India / United Kingdom | China |
Choosing between Perkins 401246TWG4A and SDEC 12KTA58-G36
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 401246TWG4A has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.