Kirloskar 4R1040TA vs SDEC 4HTAA4.5-G44
The Kirloskar 4R1040TA and SDEC 4HTAA4.5-G44 are both diesel generator engines in a similar power class. Both are rated at roughly 97 kVA. Displacement is 4.2 L versus 4.5 L. The table below compares their full specifications side by side.
| Specification | Kirloskar 4R1040TA | SDEC 4HTAA4.5-G44 |
|---|---|---|
| Headline rating | 97 kVA | 96 kVA |
| Standby (50 Hz) | 77.2 kWe | 77 kWe |
| Prime (50 Hz) | 70.5 kWe | 70 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 4.2 L | 4.5 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 2 | China National Stage IV / Unregulated |
| Dry weight | — | — |
| Origin | India | China |
Choosing between Kirloskar 4R1040TA 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. The Kirloskar 4R1040TA has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.