Volvo Penta TAD731GE vs Weichai WP4.6ND148E310A
The Volvo Penta TAD731GE and Weichai WP4.6ND148E310A are both diesel generator engines in a similar power class. Both are rated at roughly 166 kVA. Displacement is 7.2 L versus 4.6 L. The table below compares their full specifications side by side.
| Specification | Volvo Penta TAD731GE | Weichai WP4.6ND148E310A |
|---|---|---|
| Headline rating | 166 kVA | 166 kVA |
| Standby (50 Hz) | 133 kWe | 133 kWe |
| Prime (50 Hz) | 121 kWe | 122 kWe |
| Standby (60 Hz) | 142 kWe | — |
| Prime (60 Hz) | 129 kWe | — |
| Displacement | 7.2 L | 4.6 L |
| Configuration | L6 | L4 |
| Cylinders | 6 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | EU Stage II / EPA Tier 2 | China National Stage III / Unregulated |
| Dry weight | — | — |
| Origin | Sweden | China |
Choosing between Volvo Penta TAD731GE and Weichai WP4.6ND148E310A
Use this comparison as an engineering shortlist, then confirm the complete generator package against load profile, voltage, 50/60 Hz frequency, duty class, emissions rules, cooling margin, altitude, ambient temperature, enclosure design, controller features, and alternator sizing.