Mitsubishi S6R2-A2PTAW2 vs Perkins 4008TAG
The Mitsubishi S6R2-A2PTAW2 and Perkins 4008TAG are both diesel generator engines in a similar power class. Both are rated at roughly 923 kVA. Displacement is 29.96 L versus 30 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S6R2-A2PTAW2 | Perkins 4008TAG |
|---|---|---|
| Headline rating | 917 kVA | 929 kVA |
| Standby (50 Hz) | 733.6 kWe | — |
| Prime (50 Hz) | 667.2 kWe | — |
| Standby (60 Hz) | — | 743 kWe |
| Prime (60 Hz) | — | 676 kWe |
| Displacement | 29.96 L | 30 L |
| Configuration | L6 | V8 |
| Cylinders | 6 | 8 |
| Rated speed | 1,500 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 2 | Unregulated |
| Dry weight | 2805 kg | — |
| Origin | Japan | India / United Kingdom |
Choosing between Mitsubishi S6R2-A2PTAW2 and Perkins 4008TAG
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 Perkins 4008TAG has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.