Mitsubishi S4L2-61SDH-NP2 vs SDEC 4Z2.3-G12
The Mitsubishi S4L2-61SDH-NP2 and SDEC 4Z2.3-G12 are both diesel generator engines in a similar power class. Both are rated at roughly 27 kVA. Displacement is 1.758 L versus 2.3 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S4L2-61SDH-NP2 | SDEC 4Z2.3-G12 |
|---|---|---|
| Headline rating | 27 kVA | 26 kVA |
| Standby (50 Hz) | 21.3 kWe | 21 kWe |
| Prime (50 Hz) | 18.4 kWe | 19 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 1.758 L | 2.3 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 2,970 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | China National Stage II / Unregulated |
| Dry weight | 155 kg | — |
| Origin | Japan | China |
Choosing between Mitsubishi S4L2-61SDH-NP2 and SDEC 4Z2.3-G12
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 S4L2-61SDH-NP2 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.