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SDEC SC25K990D2

K Series

In Production

The SDEC SC25K990D2 is a 25-litre inline-6 diesel engine for generator sets, rated at 816 kVA / 653 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.

SDEC SC25K990D2 25L L6 diesel generator engine — 816 kVA standby specifications
SDEC SC25K990D2 25L L6 diesel generator engine — 816 kVA standby specifications
Standby Power · 50 Hz
816 kVA
Electrical Output
653 kWe
Cylinders
L6
Displacement
25 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 Power660594742.5
Standby Power725.6653816.3

Technical Specifications

BrandSDEC
ModelSC25K990D2
SeriesK Series
ConfigurationL6
Cylinders6
Displacement25 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardChina National Stage II / Unregulated
Country of OriginChina

Frequently asked questions

What is the power output of the SDEC SC25K990D2?

The SDEC SC25K990D2 is rated at 816 kVA standby / 743 kVA prime at 50 Hz (1,500 rpm).

Does the SC25K990D2 run at 50 Hz or 60 Hz?

The SDEC SC25K990D2 is rated for 50 Hz (1,500 rpm).

What fuel does the SDEC SC25K990D2 use?

The SDEC SC25K990D2 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the SC25K990D2?

The SDEC SC25K990D2 is an inline-6 (6-cylinder) engine with a displacement of 25 L.

Is the SDEC SC25K990D2 still in production?

Yes — the SDEC SC25K990D2 is a current production model.

Is a datasheet available for the SC25K990D2?

Yes — an official SDEC datasheet for the SDEC SC25K990D2 can be downloaded from this page.

Reference

Last database update
2026-05-29
Manufacturer files
1 datasheet linked

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