Perkins 403A11G1 vs Yanmar 3TNM74F-NG6GE
The Perkins 403A11G1 and Yanmar 3TNM74F-NG6GE are both diesel generator engines in a similar power class. Both are rated at roughly 10 kVA. Displacement is 1.1 L versus 0.993 L. The table below compares their full specifications side by side.
| Specification | Perkins 403A11G1 | Yanmar 3TNM74F-NG6GE |
|---|---|---|
| Headline rating | 10 kVA | 10 kVA |
| Standby (50 Hz) | 8 kWe | — |
| Prime (50 Hz) | 7 kWe | — |
| Standby (60 Hz) | — | 7.9 kWe |
| Prime (60 Hz) | — | — |
| Displacement | 1.1 L | 0.993 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 | United States / United Kingdom | Japan |
Choosing between Perkins 403A11G1 and Yanmar 3TNM74F-NG6GE
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.