Greaves GPWII-PII-15X vs Perkins 403F15G
The Greaves GPWII-PII-15X and Perkins 403F15G are both diesel generator engines in a similar power class. Both are rated at roughly 15 kVA. Displacement is 2.5 L versus 1.5 L. The table below compares their full specifications side by side.
| Specification | Greaves GPWII-PII-15X | Perkins 403F15G |
|---|---|---|
| Headline rating | 15 kVA | 15 kVA |
| Standby (50 Hz) | 12 kWe | — |
| Prime (50 Hz) | 10.8 kWe | — |
| Standby (60 Hz) | — | 12 kWe |
| Prime (60 Hz) | — | 11 kWe |
| Displacement | 2.5 L | 1.5 L |
| Configuration | L3 | L3 |
| Cylinders | 3 | 3 |
| Rated speed | 1,500 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Final Tier 4 |
| Dry weight | — | — |
| Origin | India | United States / United Kingdom |
Choosing between Greaves GPWII-PII-15X and Perkins 403F15G
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.