Mitsubishi
Mitsubishi 18KU30GSI-PLUS
KU30GSI-PLUS
Mitsubishi 18KU30GSI-PLUS 483.5L inline-18 medium-speed lean-burn natural-gas engine for continuous utility power and CHP. MHI publishes 5,750 kW electrical output at 750 rpm/50 Hz and 5,500 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.
- Prime Power · 50 Hz
- 7,188 kVA
- Electrical Output
- 5,750 kWe
- Cylinders
- L18
- Displacement
- 483.5 L
- Rated Speed
- 750 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf · kWe estimated — see note below
50 Hz750 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 5750 | 7187.5 |
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.
Mitsubishi 18KU30GSI-PLUS generator set context
The Mitsubishi 18KU30GSI-PLUS is listed here as a natural gas generator-drive engine for 50 Hz generator sets, with a headline 7,188 kVA / 5,750 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 | Mitsubishi |
| Model | 18KU30GSI-PLUS |
| Series | KU30GSI-PLUS |
| Configuration | L18 |
| Cylinders | 18 |
| Displacement | 483.5 L |
| Dry Weight | 60000 kg |
| Dimensions (L×W×H) | 11470 × 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 18KU30GSI-PLUS?
The Mitsubishi 18KU30GSI-PLUS is rated at 7,188 kVA prime at 50 Hz (750 rpm).
Does the 18KU30GSI-PLUS run at 50 Hz or 60 Hz?
The Mitsubishi 18KU30GSI-PLUS is rated for 50 Hz (750 rpm).
What fuel does the Mitsubishi 18KU30GSI-PLUS use?
The Mitsubishi 18KU30GSI-PLUS is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the 18KU30GSI-PLUS?
The Mitsubishi 18KU30GSI-PLUS is an inline-18 (18-cylinder) engine with a displacement of 483.5 L.
Is the Mitsubishi 18KU30GSI-PLUS still in production?
Yes — the Mitsubishi 18KU30GSI-PLUS is a current production model.
Is a datasheet available for the 18KU30GSI-PLUS?
Yes — an official Mitsubishi datasheet for the Mitsubishi 18KU30GSI-PLUS can be downloaded from this page.
Related Engines
Compare Mitsubishi 18KU30GSI-PLUS
Reference
- Canonical page
- /engines/mitsubishi-18ku30gsi-plus
- Last database update
- 2026-07-23
- Manufacturer files
- 3 datasheets linked
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