John Deere 4045HG551 vs SDEC 4HTAA4.5-G5E4.1
The John Deere 4045HG551 and SDEC 4HTAA4.5-G5E4.1 are both diesel generator engines in a similar power class. Both are rated at roughly 113 kVA. The table below compares their full specifications side by side.
| Specification | John Deere 4045HG551 | SDEC 4HTAA4.5-G5E4.1 |
|---|---|---|
| Headline rating | 113 kVA | 113 kVA |
| Standby (50 Hz) | 90 kWe | — |
| Prime (50 Hz) | 81 kWe | — |
| Standby (60 Hz) | 93 kWe | 90 kWe |
| Prime (60 Hz) | 84 kWe | 84 kWe |
| Displacement | 4.5 L | 4.5 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Euro Stage V / U.S. EPA Final Tier 4 | Euro Stage V |
| Dry weight | — | — |
| Origin | United States | China |
Choosing between John Deere 4045HG551 and SDEC 4HTAA4.5-G5E4.1
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.