Mitsubishi
Mitsubishi 12KU30GSI-PLUS
KU30GSI-PLUS
Mitsubishi 12KU30GSI-PLUS 322.3L inline-12 medium-speed lean-burn natural-gas engine for continuous utility power and CHP. MHI publishes 3,800 kW electrical output at 750 rpm/50 Hz and 3,650 kW at 720 rpm/60 Hz. The KU30GSI-PLUS prioritizes 49.5% power-generation efficiency; MHI specifies NOx below 320 ppm at O2=0% under its stated ISO 3046 gas and site conditions.
Overhaul & repair parts- Manufacturer files
- 4 datasheets
- Last updated
- 2026-07-23
- Package route
- gas generator sets
- Prime Power · 50 Hz
- 4,750 kVA
- Electrical Output
- 3,800 kWe
- Cylinders
- L12
- Displacement
- 322.3 L
- Rated Speed
- 750 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz750 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 3800 | 4750 |
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Mitsubishi 12KU30GSI-PLUS overhaul & repair parts
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Mitsubishi 12KU30GSI-PLUS generator set context
The Mitsubishi 12KU30GSI-PLUS is listed here as a natural gas generator-drive engine for 50 Hz generator sets, with a headline 4,750 kVA / 3,800 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.
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Technical Specifications
| Brand | Mitsubishi |
| Model | 12KU30GSI-PLUS |
| Series | KU30GSI-PLUS |
| Configuration | L12 |
| Cylinders | 12 |
| Displacement | 322.3 L |
| Dry Weight | 40000 kg |
| Dimensions (L×W×H) | 9850 × 3180 × 4980 mm |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Country of Origin | Japan |
Frequently asked questions
What is the power output of the Mitsubishi 12KU30GSI-PLUS?
The Mitsubishi 12KU30GSI-PLUS is rated at 4,750 kVA prime at 50 Hz (750 rpm).
Does the 12KU30GSI-PLUS run at 50 Hz or 60 Hz?
The Mitsubishi 12KU30GSI-PLUS is rated for 50 Hz (750 rpm).
What fuel does the Mitsubishi 12KU30GSI-PLUS use?
The Mitsubishi 12KU30GSI-PLUS is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the 12KU30GSI-PLUS?
The Mitsubishi 12KU30GSI-PLUS is an inline-12 (12-cylinder) engine with a displacement of 322.3 L.
What is the catalog status of the Mitsubishi 12KU30GSI-PLUS?
The Mitsubishi 12KU30GSI-PLUS 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 12KU30GSI-PLUS?
This page links reference documents for the Mitsubishi 12KU30GSI-PLUS. Check each document's title, model coverage, revision and rating conditions before using it for selection.