Caterpillar G3512H vs Jichai L20V190ZLZ-2
The Caterpillar G3512H and Jichai L20V190ZLZ-2 are both natural gas generator engines in a similar power class. Both are rated at roughly 1,875 kVA. Displacement is 59 L versus 144.6 L. The table below compares their full specifications side by side.
| Specification | Caterpillar G3512H | Jichai L20V190ZLZ-2 |
|---|---|---|
| Headline rating | 1,875 kVA | 1,875 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 1,500 kWe | 1,500 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | 1,490 kWe | — |
| Displacement | 59 L | 144.6 L |
| Configuration | V12 | V20 |
| Cylinders | 12 | 20 |
| Rated speed | 1,500 / 1,800 RPM | 1,000 RPM |
| Fuel | Natural Gas | Biogas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Stationary | Unregulated |
| Dry weight | — | — |
| Origin | United States | China |
Choosing between Caterpillar G3512H and Jichai L20V190ZLZ-2
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.