Lister Petter SA441G2 vs Perkins 1004TG1
The Lister Petter SA441G2 and Perkins 1004TG1 are both diesel generator engines in a similar power class. Both are rated at roughly 73 kVA. Displacement is 4.1 L versus 3.99 L. The table below compares their full specifications side by side.
| Specification | Lister Petter SA441G2 | Perkins 1004TG1 |
|---|---|---|
| Headline rating | 73 kVA | 72 kVA |
| Standby (50 Hz) | 58 kWe | 57.5 kWe |
| Prime (50 Hz) | 53 kWe | 52 kWe |
| Standby (60 Hz) | 71.5 kWe | 62 kWe |
| Prime (60 Hz) | 65 kWe | 56.5 kWe |
| Displacement | 4.1 L | 3.99 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 | Euro Stage II | Unregulated |
| Dry weight | — | 433 kg |
| Origin | United Kingdom | United Kingdom |
Choosing between Lister Petter SA441G2 and Perkins 1004TG1
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 Lister Petter SA441G2 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.