Kawasaki
Kawasaki KG-12
Green Gas Engine
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).
Overhaul & repair parts- Manufacturer files
- 2 datasheets
- Last updated
- 2026-06-09
- Package route
- gas generator sets
- 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
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 5200 | 6500 |
60 Hz900 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 5000 | 6250 |
Ask about Kawasaki KG-12
Choose parts / service or sourcing. Your message includes this model and page link.
Kawasaki KG-12 overhaul & repair parts
Already running a Kawasaki KG-12? 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 KG-12 and your selected categories included. Attach your photos there.
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
Technical Specifications
| Brand | Kawasaki |
| Model | KG-12 |
| Series | Green Gas Engine |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 407.2 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | Japan |
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.
What is the catalog status of the Kawasaki KG-12?
The Kawasaki KG-12 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.
Are reference documents available for the KG-12?
This page links reference documents for the Kawasaki KG-12. Check each document's title, model coverage, revision and rating conditions before using it for selection.