Mitsubishi
Mitsubishi GS12R-PTK
GSR
Mitsubishi GS12R-PTK 49.03L V12 Miller-cycle lean-burn gas engine for continuous generator and cogeneration service. MHI publishes 700 kW electrical output at 1,500 rpm and 50 Hz, with a 610 kW configuration at 1,200 rpm and 60 Hz. It uses pre-chamber spark ignition and can be configured for city gas, natural gas or biogas subject to methane-number and project requirements.
- Prime Power · 50 Hz
- 875 kVA
- Electrical Output
- 700 kWe
- Cylinders
- V12
- Displacement
- 49.03 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
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 700 | 875 |
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 GS12R-PTK generator set context
The Mitsubishi GS12R-PTK is listed here as a natural gas generator-drive engine for 50 Hz generator sets, with a headline 875 kVA / 700 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 | GS12R-PTK |
| Series | GSR |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 49.03 L |
| Dry Weight | 5350 kg |
| Dimensions (L×W×H) | 2346 × 1820 × 2137 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 GS12R-PTK?
The Mitsubishi GS12R-PTK is rated at 875 kVA prime at 50 Hz (1,500 rpm).
Does the GS12R-PTK run at 50 Hz or 60 Hz?
The Mitsubishi GS12R-PTK is rated for 50 Hz (1,500 rpm).
What fuel does the Mitsubishi GS12R-PTK use?
The Mitsubishi GS12R-PTK is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the GS12R-PTK?
The Mitsubishi GS12R-PTK is a V12 (12-cylinder) engine with a displacement of 49.03 L.
Is the Mitsubishi GS12R-PTK still in production?
Yes — the Mitsubishi GS12R-PTK is a current production model.
Is a datasheet available for the GS12R-PTK?
Yes — an official Mitsubishi datasheet for the Mitsubishi GS12R-PTK can be downloaded from this page.
Related Engines
Compare Mitsubishi GS12R-PTK
Reference
- Canonical page
- /engines/mitsubishi-gs12r-ptk
- Last database update
- 2026-07-23
- Manufacturer files
- 2 datasheets linked
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