Detroit Diesel 12V71 vs SDEC 6HTAA7.2-G41
The Detroit Diesel 12V71 and SDEC 6HTAA7.2-G41 are both diesel generator engines in a similar power class. Both are rated at roughly 262 kVA. Displacement is 14 L versus 7.2 L. The table below compares their full specifications side by side.
| Specification | Detroit Diesel 12V71 | SDEC 6HTAA7.2-G41 |
|---|---|---|
| Headline rating | 263 kVA | 260 kVA |
| Standby (50 Hz) | 210 kWe | 208 kWe |
| Prime (50 Hz) | 190 kWe | 189 kWe |
| Standby (60 Hz) | 250 kWe | — |
| Prime (60 Hz) | 225 kWe | — |
| Displacement | 14 L | 7.2 L |
| Configuration | V12 | L6 |
| Cylinders | 12 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | China National Stage IV / Unregulated |
| Dry weight | — | — |
| Origin | United States | China |
Choosing between Detroit Diesel 12V71 and SDEC 6HTAA7.2-G41
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.