Perkins 1103C33TG2 vs SDEC 4ZT3.2-G12
The Perkins 1103C33TG2 and SDEC 4ZT3.2-G12 are both diesel generator engines in a similar power class. Both are rated at roughly 51 kVA. Displacement is 3.3 L versus 3.2 L. The table below compares their full specifications side by side.
| Specification | Perkins 1103C33TG2 | SDEC 4ZT3.2-G12 |
|---|---|---|
| Headline rating | 51 kVA | 51 kVA |
| Standby (50 Hz) | 41 kWe | 41 kWe |
| Prime (50 Hz) | 37 kWe | 38 kWe |
| Standby (60 Hz) | — | 41 kWe |
| Prime (60 Hz) | — | 38 kWe |
| Displacement | 3.3 L | 3.2 L |
| Configuration | L3 | L4 |
| Cylinders | 3 | 4 |
| Rated speed | 1,500 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | EU Stage II | China National Stage II / Unregulated |
| Dry weight | — | — |
| Origin | United Kingdom / India | China |
Choosing between Perkins 1103C33TG2 and SDEC 4ZT3.2-G12
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.