SDEC
SDEC 12GTAA27-G31
G Series
SDEC 12GTAA27-G31 27L 12-cylinder diesel engine for generator sets. 622 kWm prime / 684 kWm standby at 50Hz/1500RPM.
Overhaul & repair parts- Manufacturer files
- No datasheet
- Last updated
- 2026-07-24
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 770 kVA
- Electrical Output
- 616 kWe
- Cylinders
- V12
- Displacement
- 27 L
- Rated Speed
- 1,500 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 622 | 560 | 700 |
| Standby Power | 684 | 616 | 770 |
Ask about SDEC 12GTAA27-G31
Choose parts / service or sourcing. Your message includes this model and page link.
SDEC 12GTAA27-G31 overhaul & repair parts
Already running a SDEC 12GTAA27-G31? Start with the parts you need, then send your nameplate so we can help check the right references for your engine.
Start with engine identification
We do not have a reviewed public parts preview for this model yet. Send the engine details and tell us what needs repair.
Let’s identify the right parts.
The model is the starting point. Serial numbers and build configurations can change which parts fit.
- Take a clear photo of the engine nameplate.
- Tell us what needs repair or replacement.
- Send both in WhatsApp to start a fitment check.
Opens WhatsApp with 12GTAA27-G31 and your selected categories included. Attach your photos there.
SDEC 12GTAA27-G31 generator set context
The SDEC 12GTAA27-G31 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 770 kVA / 616 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.
Also searched as
Technical Specifications
| Brand | SDEC |
| Model | 12GTAA27-G31 |
| Series | G Series |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 27 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 12GTAA27-G31?
The SDEC 12GTAA27-G31 is rated at 770 kVA standby / 700 kVA prime at 50 Hz (1,500 rpm).
Does the 12GTAA27-G31 run at 50 Hz or 60 Hz?
The SDEC 12GTAA27-G31 is rated for 50 Hz (1,500 rpm).
What fuel does the SDEC 12GTAA27-G31 use?
The SDEC 12GTAA27-G31 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 12GTAA27-G31?
The SDEC 12GTAA27-G31 is a V12 (12-cylinder) engine with a displacement of 27 L.
What is the catalog status of the SDEC 12GTAA27-G31?
The SDEC 12GTAA27-G31 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.