Kohler KD45V20 vs Mitsubishi S16R-PTAA2
The Kohler KD45V20 and Mitsubishi S16R-PTAA2 are both diesel generator engines in a similar power class. Both are rated at roughly 2,185 kVA. Displacement is 45 L versus 65.37 L. The table below compares their full specifications side by side.
| Specification | Kohler KD45V20 | Mitsubishi S16R-PTAA2 |
|---|---|---|
| Headline rating | 2,188 kVA | 2,181 kVA |
| Standby (50 Hz) | 1,750 kWe | 1,745.1 kWe |
| Prime (50 Hz) | 1,590 kWe | 1,584 kWe |
| Standby (60 Hz) | 1,750 kWe | 1,934.1 kWe |
| Prime (60 Hz) | 1,590 kWe | 1,745.1 kWe |
| Displacement | 45 L | 65.37 L |
| Configuration | V20 | V16 |
| Cylinders | 20 | 16 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 2 | Unregulated |
| Dry weight | — | — |
| Origin | France | Japan |
Choosing between Kohler KD45V20 and Mitsubishi S16R-PTAA2
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 Kohler KD45V20 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.