Caterpillar C13 vs Isuzu 6WG1X
The Caterpillar C13 and Isuzu 6WG1X are both diesel generator engines in a similar power class. Both are rated at roughly 438 kVA. Displacement is 12.5 L versus 15.681 L. The table below compares their full specifications side by side.
| Specification | Caterpillar C13 | Isuzu 6WG1X |
|---|---|---|
| Headline rating | 438 kVA | 437 kVA |
| Standby (50 Hz) | 350 kWe | 349.5 kWe |
| Prime (50 Hz) | 320 kWe | 317.7 kWe |
| Standby (60 Hz) | 400 kWe | 378.2 kWe |
| Prime (60 Hz) | 365 kWe | 343.8 kWe |
| Displacement | 12.5 L | 15.681 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 3 | U.S. EPA Final Tier 4 |
| Dry weight | — | — |
| Origin | USA | Japan |