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Kawasaki KG-12

Green Gas Engine

In Production

Kawasaki KG-12 — 407.2 L V12 (300 × 480 mm) lean-burn spark-ignited natural-gas engine (Green Gas Engine series) for power plants. 5200 kWe at 750 rpm / 50 Hz, 5000 kWe at 720 rpm / 60 Hz; electrical efficiency 49.0% (49.5% on the -V high-efficiency model).

Kawasaki KG-12 407.2L V12 natural gas generator engine — 6,500 kVA prime specifications
Kawasaki KG-12 407.2L V12 natural gas generator engine — 6,500 kVA prime specifications
Prime Power · 50 Hz
6,500 kVA
Electrical Output
5,200 kWe
Cylinders
V12
Displacement
407.2 L
Rated Speed
750 / 900 RPM

Power Ratings

kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf

50 Hz750 RPM

kWmkWekVA
Prime Power52006500

60 Hz900 RPM

kWmkWekVA
Prime Power50006250

Kawasaki KG-12 generator set context

The Kawasaki KG-12 is listed here as a natural gas generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 6,500 kVA / 5,200 kWe / prime 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

kg12KG 12Kawasaki KG-12Green Gas Engine KG-12

Technical Specifications

BrandKawasaki
ModelKG-12
SeriesGreen Gas Engine
ConfigurationV12
Cylinders12
Displacement407.2 L
Fuel TypeNatural Gas
Ignition TypeSpark Ignition
Cooling MethodLiquid-Cooled
Emissions StandardUnregulated
Country of OriginJapan

Frequently asked questions

What is the power output of the Kawasaki KG-12?

The Kawasaki KG-12 is rated at 6,500 kVA prime at 50 Hz (750 rpm); and 6,250 kVA prime at 60 Hz (900 rpm).

Does the KG-12 run at 50 Hz or 60 Hz?

The Kawasaki KG-12 is available for both 50 Hz (750 rpm) and 60 Hz (900 rpm).

What fuel does the Kawasaki KG-12 use?

The Kawasaki KG-12 is a Natural Gas generator-set engine.

What is the displacement and cylinder configuration of the KG-12?

The Kawasaki KG-12 is a V12 (12-cylinder) engine with a displacement of 407.2 L.

Is the Kawasaki KG-12 still in production?

Yes — the Kawasaki KG-12 is a current production model.

Is a datasheet available for the KG-12?

Yes — an official Kawasaki datasheet for the Kawasaki KG-12 can be downloaded from this page.

Reference

Last database update
2026-06-09
Manufacturer files
1 datasheet linked

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