Detroit Diesel 12V71 vs Perkins 1506AE88TAG2
The Detroit Diesel 12V71 and Perkins 1506AE88TAG2 are both diesel generator engines in a similar power class. Both are rated at roughly 261 kVA. Displacement is 14 L versus 8.8 L. The table below compares their full specifications side by side.
| Specification | Detroit Diesel 12V71 | Perkins 1506AE88TAG2 |
|---|---|---|
| Headline rating | 263 kVA | 258 kVA |
| Standby (50 Hz) | 210 kWe | 206 kWe |
| Prime (50 Hz) | 190 kWe | 185 kWe |
| Standby (60 Hz) | 250 kWe | 218 kWe |
| Prime (60 Hz) | 225 kWe | 198 kWe |
| Displacement | 14 L | 8.8 L |
| Configuration | V12 | L6 |
| Cylinders | 12 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | United States | United States |
Choosing between Detroit Diesel 12V71 and Perkins 1506AE88TAG2
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 12V71 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.