Lister Petter LP689G1 vs SDEC 6HTAA7.2-G43
The Lister Petter LP689G1 and SDEC 6HTAA7.2-G43 are both diesel generator engines in a similar power class. Both are rated at roughly 228 kVA. Displacement is 8.9 L versus 7.2 L. The table below compares their full specifications side by side.
| Specification | Lister Petter LP689G1 | SDEC 6HTAA7.2-G43 |
|---|---|---|
| Headline rating | 227 kVA | 229 kVA |
| Standby (50 Hz) | 181.5 kWe | 183 kWe |
| Prime (50 Hz) | 165 kWe | 167 kWe |
| Standby (60 Hz) | 198 kWe | — |
| Prime (60 Hz) | 180 kWe | — |
| Displacement | 8.9 L | 7.2 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Euro Stage II | China National Stage IV / Unregulated |
| Dry weight | — | — |
| Origin | United Kingdom | China |
Choosing between Lister Petter LP689G1 and SDEC 6HTAA7.2-G43
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 SDEC 6HTAA7.2-G43 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.