SDEC
SDEC 6ETAA12.8-G22
E Series
The SDEC 6ETAA12.8-G22 is a 12.8-litre inline-6 diesel engine for generator sets, rated at 420 kVA / 336 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.
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- Manufacturer files
- 2 datasheets
- Last updated
- 2026-07-24
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 420 kVA
- Electrical Output
- 336 kWe
- Cylinders
- L6
- Displacement
- 12.8 L
- Rated Speed
- 1,500 / 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 339 | 305 | 381.3 |
| Standby Power | 373 | 336 | 420 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 368 | 331 | 413.8 |
| Standby Power | 405 | 365 | 456.3 |
SDEC 6ETAA12.8-G22 generator set context
The SDEC 6ETAA12.8-G22 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 420 kVA / 336 kWe / standby rating. Use this page to compare the published engine output, electrical kWe/kVA ratings, emissions level, datasheet availability, and neighboring models before specifying an alternator, controller, enclosure, voltage, and compliance package.
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Technical Specifications
| Brand | SDEC |
| Model | 6ETAA12.8-G22 |
| Series | E Series |
| Configuration | L6 |
| Cylinders | 6 |
| Displacement | 12.8 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | China National Stage III / Unregulated |
| Country of Origin | China |
Frequently asked questions
What is the power output of the SDEC 6ETAA12.8-G22?
The SDEC 6ETAA12.8-G22 is rated at 420 kVA standby / 381 kVA prime at 50 Hz (1,500 rpm); and 456 kVA standby / 414 kVA prime at 60 Hz (1,800 rpm).
Does the 6ETAA12.8-G22 run at 50 Hz or 60 Hz?
The SDEC 6ETAA12.8-G22 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the SDEC 6ETAA12.8-G22 use?
The SDEC 6ETAA12.8-G22 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 6ETAA12.8-G22?
The SDEC 6ETAA12.8-G22 is an inline-6 (6-cylinder) engine with a displacement of 12.8 L.
Is the SDEC 6ETAA12.8-G22 still in production?
Yes — the SDEC 6ETAA12.8-G22 is a current production model.
Is a datasheet available for the 6ETAA12.8-G22?
Yes — an official SDEC datasheet for the SDEC 6ETAA12.8-G22 can be downloaded from this page.