FPT NEF45SM2X vs Kohler KDI3404TM
The FPT NEF45SM2X and Kohler KDI3404TM are both diesel generator engines in a similar power class. Both are rated at roughly 76 kVA. Displacement is 4.5 L versus 3.4 L. The table below compares their full specifications side by side.
| Specification | FPT NEF45SM2X | Kohler KDI3404TM |
|---|---|---|
| Headline rating | 76 kVA | 75 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | — | — |
| Standby (60 Hz) | 61 kWe | 60 kWe |
| Prime (60 Hz) | 55 kWe | 54 kWe |
| Displacement | 4.5 L | 3.4 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel/HVO |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 3 | U.S. EPA Tier 3 |
| Dry weight | — | — |
| Origin | Italy | Italy |
Choosing between FPT NEF45SM2X and Kohler KDI3404TM
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 FPT NEF45SM2X has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.