Doosan D1146 vs SDEC 4HTAA4.5-G44
The Doosan D1146 and SDEC 4HTAA4.5-G44 are both diesel generator engines in a similar power class. Both are rated at roughly 96 kVA. Displacement is 8.071 L versus 4.5 L. The table below compares their full specifications side by side.
| Specification | Doosan D1146 | SDEC 4HTAA4.5-G44 |
|---|---|---|
| Headline rating | 96 kVA | 96 kVA |
| Standby (50 Hz) | 76.5 kWe | 77 kWe |
| Prime (50 Hz) | 68 kWe | 70 kWe |
| Standby (60 Hz) | 94.5 kWe | — |
| Prime (60 Hz) | 86.4 kWe | — |
| Displacement | 8.071 L | 4.5 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 | U.S. EPA Tier 1 | China National Stage IV / Unregulated |
| Dry weight | — | — |
| Origin | South Korea | China |
Choosing between Doosan D1146 and SDEC 4HTAA4.5-G44
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.