Detroit Diesel 16V149 vs VMAN D30B3
The Detroit Diesel 16V149 and VMAN D30B3 are both diesel generator engines in a similar power class. Both are rated at roughly 1,031 kVA. Displacement is 39.1 L versus 29.235 L. The table below compares their full specifications side by side.
| Specification | Detroit Diesel 16V149 | VMAN D30B3 |
|---|---|---|
| Headline rating | 1,038 kVA | 1,024 kVA |
| Standby (50 Hz) | 830 kWe | — |
| Prime (50 Hz) | 750 kWe | — |
| Standby (60 Hz) | 1,000 kWe | 819 kWe |
| Prime (60 Hz) | 910 kWe | 743 kWe |
| Displacement | 39.1 L | 29.235 L |
| Configuration | V16 | V16 |
| Cylinders | 16 | 16 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | United States | China |
Choosing between Detroit Diesel 16V149 and VMAN D30B3
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 Detroit Diesel 16V149 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.