Volvo Penta TWD1644GE vs Weichai 6M31D640E310
The Volvo Penta TWD1644GE and Weichai 6M31D640E310 are both diesel generator engines in a similar power class. Both are rated at roughly 718 kVA. Displacement is 16.1 L versus 18.6 L. The table below compares their full specifications side by side.
| Specification | Volvo Penta TWD1644GE | Weichai 6M31D640E310 |
|---|---|---|
| Headline rating | 716 kVA | 720 kVA |
| Standby (50 Hz) | 573 kWe | 576 kWe |
| Prime (50 Hz) | 521 kWe | 522 kWe |
| Standby (60 Hz) | 602 kWe | 576 kWe |
| Prime (60 Hz) | 547 kWe | 522 kWe |
| Displacement | 16.1 L | 18.6 L |
| Configuration | L6 | V6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Euro Stage II / U.S. EPA Tier 2 | China National Stage III / Unregulated |
| Dry weight | — | — |
| Origin | Sweden | China |