SDEC 4ZTAA3.5-G31 vs Xinchai 4K41LD
The SDEC 4ZTAA3.5-G31 and Xinchai 4K41LD are both diesel generator engines in a similar power class. Both are rated at roughly 91 kVA. Displacement is 3.5 L versus 4.1 L. The table below compares their full specifications side by side.
| Specification | SDEC 4ZTAA3.5-G31 | Xinchai 4K41LD |
|---|---|---|
| Headline rating | 91 kVA | 91 kVA |
| Standby (50 Hz) | 73 kWe | 73 kWe |
| Prime (50 Hz) | 67 kWe | 67 kWe |
| Standby (60 Hz) | — | 79 kWe |
| Prime (60 Hz) | — | 72 kWe |
| Displacement | 3.5 L | 4.1 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China National Stage III / Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | China | China |