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Mitsubishi S12R-PTAA2-C

S12R Series

In Production

The Mitsubishi S12R-PTAA2-C is a 34.92-litre V12 diesel engine for generator sets, rated at 1,580 kVA / 1,264 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.

Mitsubishi S12R-PTAA2-C 34.92L V12 diesel generator engine — 1,580 kVA standby specifications
Mitsubishi S12R-PTAA2-C 34.92L V12 diesel generator engine — 1,580 kVA standby specifications
Standby Power · 50 Hz
1,580 kVA
Electrical Output
1,264 kWe
Cylinders
V12
Displacement
34.92 L
Rated Speed
1,500 RPM

Power Ratings

kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf · kWe estimated — see note below

50 Hz1500 RPM

kWmkWekVA
Prime Power12771149.31436.6
Standby Power14041263.61579.5

Note: The manufacturer does not publish a separate kWe rating for this engine. kWe values shown are estimated from the rated mechanical output (kWm) using a conservative 90% alternator efficiency factor.

Technical Specifications

BrandMitsubishi
ModelS12R-PTAA2-C
SeriesS12R Series
ConfigurationV12
Cylinders12
Displacement34.92 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 Mitsubishi S12R-PTAA2-C?

The Mitsubishi S12R-PTAA2-C is rated at 1,580 kVA standby / 1,437 kVA prime at 50 Hz (1,500 rpm).

Does the S12R-PTAA2-C run at 50 Hz or 60 Hz?

The Mitsubishi S12R-PTAA2-C is rated for 50 Hz (1,500 rpm).

What fuel does the Mitsubishi S12R-PTAA2-C use?

The Mitsubishi S12R-PTAA2-C is a diesel generator-set engine.

What is the displacement and cylinder configuration of the S12R-PTAA2-C?

The Mitsubishi S12R-PTAA2-C is a V12 (12-cylinder) engine with a displacement of 34.92 L.

Is the Mitsubishi S12R-PTAA2-C still in production?

Yes — the Mitsubishi S12R-PTAA2-C is a current production model.

Is a datasheet available for the S12R-PTAA2-C?

Yes — an official Mitsubishi datasheet for the Mitsubishi S12R-PTAA2-C can be downloaded from this page.

Reference

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

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