Caterpillar G3612 vs MWM TCG 3020 V20
The Caterpillar G3612 and MWM TCG 3020 V20 are both natural gas generator engines in a similar power class. The Caterpillar G3612 is the higher-output unit (3,269 kVA vs 2,875 kVA). Displacement is 221.6 L versus 89 L. The table below compares their full specifications side by side.
| Specification | Caterpillar G3612 | MWM TCG 3020 V20 |
|---|---|---|
| Headline rating | 3,269 kVA | 2,875 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 2,615 kWe | 2,300 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 221.6 L | 89 L |
| Configuration | V12 | V20 |
| Cylinders | 12 | 20 |
| Rated speed | 1,000 RPM | 1,500 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Stationary | Unregulated |
| Dry weight | — | 21400 kg |
| Origin | United States | Germany |
Choosing between Caterpillar G3612 and MWM TCG 3020 V20
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 Caterpillar G3612 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.