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SDEC 12GTAA27-G31

G Series

In Production

SDEC 12GTAA27-G31 27L 12-cylinder diesel engine for generator sets. 622 kWm prime / 684 kWm standby at 50Hz/1500RPM.

SDEC 12GTAA27-G31 27L V12 diesel generator engine — 770 kVA standby specifications
SDEC 12GTAA27-G31 27L V12 diesel generator engine — 770 kVA standby specifications
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

kWmkWekVA
Prime Power622560700
Standby Power684616770

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

12gtaa27g3112GTAA27 G31SDEC 12GTAA27-G31G Series 12GTAA27-G31

Technical Specifications

BrandSDEC
Model12GTAA27-G31
SeriesG Series
ConfigurationV12
Cylinders12
Displacement27 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardChina National Stage III / Unregulated
Country of OriginChina

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.

Is the SDEC 12GTAA27-G31 still in production?

Yes — the SDEC 12GTAA27-G31 is a current production model.

Reference

Last database update
2026-07-24
Manufacturer files
No datasheet linked yet

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