Kohler KDI2504ESM vs Perkins 3.1524
The Kohler KDI2504ESM and Perkins 3.1524 are both diesel/hvo generator engines in a similar power class. Both are rated at roughly 30 kVA. Displacement is 2.482 L versus 2.5 L. The table below compares their full specifications side by side.
| Specification | Kohler KDI2504ESM | Perkins 3.1524 |
|---|---|---|
| Headline rating | 30 kVA | 30 kVA |
| Standby (50 Hz) | — | 24 kWe |
| Prime (50 Hz) | — | 22 kWe |
| Standby (60 Hz) | 24 kWe | 27 kWe |
| Prime (60 Hz) | 21 kWe | 24.5 kWe |
| Displacement | 2.482 L | 2.5 L |
| Configuration | L4 | L3 |
| Cylinders | 4 | 3 |
| Rated speed | 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel/HVO | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Final Tier 4 | Unregulated |
| Dry weight | — | 311 kg |
| Origin | Italy | United Kingdom |
Choosing between Kohler KDI2504ESM and Perkins 3.1524
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.