JCB 448 TA3-75 vs Weichai WP4.1D66E200
The JCB 448 TA3-75 and Weichai WP4.1D66E200 are both diesel generator engines in a similar power class. Both are rated at roughly 74 kVA. Displacement is 4.8 L versus 4.1 L. The table below compares their full specifications side by side.
| Specification | JCB 448 TA3-75 | Weichai WP4.1D66E200 |
|---|---|---|
| Headline rating | 73 kVA | 74 kVA |
| Standby (50 Hz) | 58.5 kWe | 59 kWe |
| Prime (50 Hz) | 54 kWe | 54 kWe |
| Standby (60 Hz) | 67.5 kWe | 72 kWe |
| Prime (60 Hz) | 63 kWe | 65 kWe |
| Displacement | 4.8 L | 4.1 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 3 | China National Stage II / Unregulated |
| Dry weight | — | — |
| Origin | United Kingdom | China |
Choosing between JCB 448 TA3-75 and Weichai WP4.1D66E200
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 WP4.1D66E200 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.