Ford WSG850 vs Yuchai YC4D90N-D30
The Ford WSG850 and Yuchai YC4D90N-D30 are both natural gas generator engines in a similar power class. Both are rated at roughly 65 kVA. Displacement is 5 L versus 4.214 L. The table below compares their full specifications side by side.
| Specification | Ford WSG850 | Yuchai YC4D90N-D30 |
|---|---|---|
| Headline rating | 66 kVA | 63 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | — | 50 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | 53 kWe | — |
| Displacement | 5 L | 4.214 L |
| Configuration | V8 | L4 |
| Cylinders | 8 | 4 |
| Rated speed | 1,800 RPM | 1,500 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Stationary | Unregulated |
| Dry weight | 205.5 kg | — |
| Origin | United States | China |