Mitsubishi S6U-PTA vs MTU MTU 18V2000 G85
The Mitsubishi S6U-PTA and MTU MTU 18V2000 G85 are both diesel generator engines in a similar power class. Both are rated at roughly 1,485 kVA. Displacement is 70.57 L versus 35.838 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S6U-PTA | MTU MTU 18V2000 G85 |
|---|---|---|
| Headline rating | 1,495 kVA | 1,474 kVA |
| Standby (50 Hz) | 1,196 kWe | — |
| Prime (50 Hz) | 1,153.6 kWe | — |
| Standby (60 Hz) | 1,283.2 kWe | 1,179 kWe |
| Prime (60 Hz) | 1,224 kWe | — |
| Displacement | 70.57 L | 35.838 L |
| Configuration | L6 | V18 |
| Cylinders | 6 | 18 |
| Rated speed | 900 / 1,080 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Tier 2 |
| Dry weight | 8350 kg | — |
| Origin | Japan | Germany |
Choosing between Mitsubishi S6U-PTA and MTU MTU 18V2000 G85
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 S6U-PTA has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.