Liyu Power LY1200AGL/M/H-Z vs Perkins 4012-46TWG2A
The Liyu Power LY1200AGL/M/H-Z and Perkins 4012-46TWG2A are both biogas generator engines in a similar power class. Both are rated at roughly 1,412 kVA. Displacement is 57.2 L versus 45.8 L. The table below compares their full specifications side by side.
| Specification | Liyu Power LY1200AGL/M/H-Z | Perkins 4012-46TWG2A |
|---|---|---|
| Headline rating | 1,438 kVA | 1,385 kVA |
| Standby (50 Hz) | — | 1,108 kWe |
| Prime (50 Hz) | 1,150 kWe | 1,000 kWe |
| Standby (60 Hz) | — | 1,108 kWe |
| Prime (60 Hz) | — | 1,002 kWe |
| Displacement | 57.2 L | 45.8 L |
| Configuration | V12 | V12 |
| Cylinders | 12 | 12 |
| Rated speed | 1,500 RPM | 1,500 / 1,800 RPM |
| Fuel | Biogas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | China | United Kingdom |
Choosing between Liyu Power LY1200AGL/M/H-Z and Perkins 4012-46TWG2A
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 Liyu Power LY1200AGL/M/H-Z has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.