Kohler KDI1903TCR vs SDEC 3Z1.1-G41
The Kohler KDI1903TCR and SDEC 3Z1.1-G41 are both diesel generator engines in a similar power class. Both are rated at roughly 21 kVA. Displacement is 1.9 L versus 1.1 L. The table below compares their full specifications side by side.
| Specification | Kohler KDI1903TCR | SDEC 3Z1.1-G41 |
|---|---|---|
| Headline rating | 21 kVA | 21 kVA |
| Standby (50 Hz) | 17 kWe | 17 kWe |
| Prime (50 Hz) | 16 kWe | 15 kWe |
| Standby (60 Hz) | 20 kWe | — |
| Prime (60 Hz) | 18 kWe | — |
| Displacement | 1.9 L | 1.1 L |
| Configuration | L3 | L3 |
| Cylinders | 3 | 3 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Final Tier 4 | China National Stage IV / Unregulated |
| Dry weight | — | — |
| Origin | Italy | China |