Hatz 1D81C vs Perkins 402D-05G
The Hatz 1D81C and Perkins 402D-05G are both diesel generator engines in a similar power class. Both are rated at roughly 5 kVA. Displacement is 0.667 L versus 0.5 L. The table below compares their full specifications side by side.
| Specification | Hatz 1D81C | Perkins 402D-05G |
|---|---|---|
| Headline rating | 5 kVA | 5 kVA |
| Standby (50 Hz) | 4.2 kWe | — |
| Prime (50 Hz) | 3.8 kWe | — |
| Standby (60 Hz) | 5.1 kWe | 4 kWe |
| Prime (60 Hz) | 4.6 kWe | 4 kWe |
| Displacement | 0.667 L | 0.5 L |
| Configuration | L1 | L2 |
| Cylinders | 1 | 2 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Air-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 4 Interim | U.S. EPA Tier 3 |
| Dry weight | — | — |
| Origin | Germany | China |