Mitsubishi S16R-PTA vs MTU MTU 12V4000 G43
The Mitsubishi S16R-PTA and MTU MTU 12V4000 G43 are both diesel generator engines in a similar power class. Both are rated at roughly 1,939 kVA. Displacement is 65.37 L versus 57.199 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S16R-PTA | MTU MTU 12V4000 G43 |
|---|---|---|
| Headline rating | 1,924 kVA | 1,953 kVA |
| Standby (50 Hz) | 1,539.2 kWe | — |
| Prime (50 Hz) | 1,406.4 kWe | — |
| Standby (60 Hz) | 1,662.4 kWe | 1,562 kWe |
| Prime (60 Hz) | 1,510.4 kWe | — |
| Displacement | 65.37 L | 57.199 L |
| Configuration | V16 | V12 |
| Cylinders | 16 | 12 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Tier 2 |
| Dry weight | — | — |
| Origin | Japan | Germany |
Choosing between Mitsubishi S16R-PTA and MTU MTU 12V4000 G43
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.