MTU MTU 12V2000 G85 vs Perkins 4008TAG1A
The MTU MTU 12V2000 G85 and Perkins 4008TAG1A are both diesel generator engines in a similar power class. Both are rated at roughly 1,003 kVA. Displacement is 23.892 L versus 30.6 L. The table below compares their full specifications side by side.
| Specification | MTU MTU 12V2000 G85 | Perkins 4008TAG1A |
|---|---|---|
| Headline rating | 1,003 kVA | 1,003 kVA |
| Standby (50 Hz) | — | 802 kWe |
| Prime (50 Hz) | — | 728 kWe |
| Standby (60 Hz) | 802 kWe | 780 kWe |
| Prime (60 Hz) | 729 kWe | 707 kWe |
| Displacement | 23.892 L | 30.6 L |
| Configuration | V12 | V8 |
| Cylinders | 12 | 8 |
| Rated speed | 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 2 | Unregulated |
| Dry weight | — | — |
| Origin | Germany | United Kingdom |
Choosing between MTU MTU 12V2000 G85 and Perkins 4008TAG1A
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.