MTU MTU 12V4000 G43 vs SDEC 12KTA58-G34
The MTU MTU 12V4000 G43 and SDEC 12KTA58-G34 are both diesel generator engines in a similar power class. Both are rated at roughly 1,944 kVA. Displacement is 57.199 L versus 58 L. The table below compares their full specifications side by side.
| Specification | MTU MTU 12V4000 G43 | SDEC 12KTA58-G34 |
|---|---|---|
| Headline rating | 1,953 kVA | 1,935 kVA |
| Standby (50 Hz) | — | 1,548 kWe |
| Prime (50 Hz) | — | 1,404 kWe |
| Standby (60 Hz) | 1,562 kWe | — |
| Prime (60 Hz) | — | — |
| Displacement | 57.199 L | 58 L |
| Configuration | V12 | V12 |
| Cylinders | 12 | 12 |
| Rated speed | 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 2 | China National Stage III / Unregulated |
| Dry weight | — | — |
| Origin | Germany | China |
Choosing between MTU MTU 12V4000 G43 and SDEC 12KTA58-G34
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 MTU MTU 12V4000 G43 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.