Perkins 1204J-E44TTAG2 vs Yuchai YC4A180L-D20
The Perkins 1204J-E44TTAG2 and Yuchai YC4A180L-D20 are both diesel generator engines in a similar power class. Both are rated at roughly 137 kVA. Displacement is 4.4 L versus 4.84 L. The table below compares their full specifications side by side.
| Specification | Perkins 1204J-E44TTAG2 | Yuchai YC4A180L-D20 |
|---|---|---|
| Headline rating | 136 kVA | 138 kVA |
| Standby (50 Hz) | — | 110 kWe |
| Prime (50 Hz) | — | 100 kWe |
| Standby (60 Hz) | 109 kWe | — |
| Prime (60 Hz) | 98 kWe | — |
| Displacement | 4.4 L | 4.84 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Final Tier 4 | China National Stage II / Unregulated |
| Dry weight | — | — |
| Origin | United Kingdom | China |