Isuzu 4JG1T vs Yanmar 4TNV98-GGE
The Isuzu 4JG1T and Yanmar 4TNV98-GGE are both diesel generator engines in a similar power class. Both are rated at roughly 39 kVA. Displacement is 3.059 L versus 3.119 L. The table below compares their full specifications side by side.
| Specification | Isuzu 4JG1T | Yanmar 4TNV98-GGE |
|---|---|---|
| Headline rating | 39 kVA | 38 kVA |
| Standby (50 Hz) | 31.1 kWe | 30.7 kWe |
| Prime (50 Hz) | 29.6 kWe | — |
| Standby (60 Hz) | 37.8 kWe | 36.7 kWe |
| Prime (60 Hz) | 36 kWe | — |
| Displacement | 3.059 L | 3.119 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Tier 2 |
| Dry weight | — | — |
| Origin | Japan | Japan |