Weichai WP4D44E201NG vs Xinchai 4D27LPG
The Weichai WP4D44E201NG and Xinchai 4D27LPG are both natural gas generator engines in a similar power class. The Weichai WP4D44E201NG is the higher-output unit (38 kVA vs 30 kVA). Displacement is 4.1 L versus 2.7 L. The table below compares their full specifications side by side.
| Specification | Weichai WP4D44E201NG | Xinchai 4D27LPG |
|---|---|---|
| Headline rating | 38 kVA | 30 kVA |
| Standby (50 Hz) | — | 24 kWe |
| Prime (50 Hz) | 30 kWe | 23 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 4.1 L | 2.7 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Natural Gas | LPG |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | China | China |
Choosing between Weichai WP4D44E201NG and Xinchai 4D27LPG
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. The Weichai WP4D44E201NG has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.