Kohler KDI1903TCR vs Yunnei DEF20NKA4
The Kohler KDI1903TCR and Yunnei DEF20NKA4 are both diesel generator engines in a similar power class. Both are rated at roughly 21 kVA. Displacement is 1.9 L versus 2 L. The table below compares their full specifications side by side.
| Specification | Kohler KDI1903TCR | Yunnei DEF20NKA4 |
|---|---|---|
| Headline rating | 21 kVA | 21 kVA |
| Standby (50 Hz) | 17 kWe | — |
| Prime (50 Hz) | 16 kWe | 17 kWe |
| Standby (60 Hz) | 20 kWe | — |
| Prime (60 Hz) | 18 kWe | — |
| Displacement | 1.9 L | 2 L |
| Configuration | L3 | L4 |
| Cylinders | 3 | 4 |
| 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 | Euro Stage V |
| Dry weight | — | — |
| Origin | Italy | China |