Isuzu 6BG1T vs Perkins 1104C44TAG1
The Isuzu 6BG1T and Perkins 1104C44TAG1 are both diesel generator engines in a similar power class. Both are rated at roughly 89 kVA. Displacement is 6.494 L versus 4.4 L. The table below compares their full specifications side by side.
| Specification | Isuzu 6BG1T | Perkins 1104C44TAG1 |
|---|---|---|
| Headline rating | 88 kVA | 89 kVA |
| Standby (50 Hz) | 70.4 kWe | 71 kWe |
| Prime (50 Hz) | 64 kWe | 64 kWe |
| Standby (60 Hz) | 88 kWe | — |
| Prime (60 Hz) | 80 kWe | — |
| Displacement | 6.494 L | 4.4 L |
| Configuration | L6 | L4 |
| Cylinders | 6 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | EU Stage II |
| Dry weight | — | — |
| Origin | Japan | United Kingdom / Brazil |
Choosing between Isuzu 6BG1T and Perkins 1104C44TAG1
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 Perkins 1104C44TAG1 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.