Perkins 2806A-E18TTAG7 vs VMAN D30B4
The Perkins 2806A-E18TTAG7 and VMAN D30B4 are both diesel generator engines in a similar power class. Both are rated at roughly 947 kVA. Displacement is 18 L versus 29.235 L. The table below compares their full specifications side by side.
| Specification | Perkins 2806A-E18TTAG7 | VMAN D30B4 |
|---|---|---|
| Headline rating | 938 kVA | 956 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | — | — |
| Standby (60 Hz) | 750 kWe | 765 kWe |
| Prime (60 Hz) | 680 kWe | 675 kWe |
| Displacement | 18 L | 29.235 L |
| Configuration | L6 | V16 |
| Cylinders | 6 | 16 |
| Rated speed | 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | United Kingdom | China |
Choosing between Perkins 2806A-E18TTAG7 and VMAN D30B4
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 VMAN D30B4 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.