Mitsubishi L3E-61SDH-NP2 vs Perkins 403D-15G
The Mitsubishi L3E-61SDH-NP2 and Perkins 403D-15G are both diesel generator engines in a similar power class. The Mitsubishi L3E-61SDH-NP2 is the higher-output unit (16 kVA vs 15 kVA). Displacement is 0.952 L versus 1.5 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi L3E-61SDH-NP2 | Perkins 403D-15G |
|---|---|---|
| Headline rating | 16 kVA | 15 kVA |
| Standby (50 Hz) | 12.4 kWe | 12 kWe |
| Prime (50 Hz) | 10.6 kWe | 10 kWe |
| Standby (60 Hz) | — | 14 kWe |
| Prime (60 Hz) | — | 13 kWe |
| Displacement | 0.952 L | 1.5 L |
| Configuration | L3 | L3 |
| Cylinders | 3 | 3 |
| Rated speed | 2,970 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Euro Stage IIIA / U.S. EPA Tier 3 |
| Dry weight | 90 kg | — |
| Origin | Japan | China |
Choosing between Mitsubishi L3E-61SDH-NP2 and Perkins 403D-15G
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 L3E-61SDH-NP2 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.