Kubota Z482-B-CHN-1 vs Perkins 402D-05G
The Kubota Z482-B-CHN-1 and Perkins 402D-05G are both diesel generator engines in a similar power class. The Perkins 402D-05G is the higher-output unit (5 kVA vs 4 kVA). Displacement is 0.479 L versus 0.5 L. The table below compares their full specifications side by side.
| Specification | Kubota Z482-B-CHN-1 | Perkins 402D-05G |
|---|---|---|
| Headline rating | 4 kVA | 5 kVA |
| Standby (50 Hz) | 3 kWe | — |
| Prime (50 Hz) | 3 kWe | — |
| Standby (60 Hz) | 4 kWe | 4 kWe |
| Prime (60 Hz) | 4 kWe | 4 kWe |
| Displacement | 0.479 L | 0.5 L |
| Configuration | L2 | L2 |
| Cylinders | 2 | 2 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Tier 3 |
| Dry weight | — | — |
| Origin | Japan | China |
Choosing between Kubota Z482-B-CHN-1 and Perkins 402D-05G
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 402D-05G has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.