Mitsubishi
Mitsubishi GS12R-PTK
GSR
Mitsubishi GS12R-PTK is a 49.03 L V12 Miller-cycle lean-burn gas engine for generator and cogeneration service. MHI publishes a 700 kWe, 1500 RPM base configuration. Rudox packaged the same engine as the ERM750GS, rated 750 kWe standby at 60 Hz and 1800 RPM. EPA lineage FRDXB49.1MGS records the matching 49.1 L V12 stationary configuration.
Overhaul & repair parts- Manufacturer files
- 3 datasheets
- Last updated
- 2026-07-25
- Package route
- gas generator sets
- Prime Power · 50 Hz
- 875 kVA
- Electrical Output
- 700 kWe
- Cylinders
- V12
- Displacement
- 49.03 L
- Rated Speed
- 1,500 / 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 700 | 875 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Standby Power | — | 750 | 937.5 |
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Mitsubishi GS12R-PTK generator set context
The Mitsubishi GS12R-PTK is listed here as a natural gas generator-drive engine for 50 Hz and 60 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.
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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 |
| Emissions Standard | U.S. EPA Stationary |
| Certifications | U.S. EPA Stationary, U.S. EPA NSPS Subpart JJJJ, UL 2200 Available |
| 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); and 938 kVA standby at 60 Hz (1,800 rpm).
Does the GS12R-PTK run at 50 Hz or 60 Hz?
The Mitsubishi GS12R-PTK is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 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.
What emissions information is listed for the GS12R-PTK?
This record lists U.S. EPA Stationary for the Mitsubishi GS12R-PTK. Confirm the exact engine family, model year, configuration and applicable manufacturer certification documents before specifying it for a regulated project. A database label does not establish certification of a complete generator package.
What is the catalog status of the Mitsubishi GS12R-PTK?
The Mitsubishi GS12R-PTK 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 GS12R-PTK?
This page links reference documents for the Mitsubishi GS12R-PTK. Check each document's title, model coverage, revision and rating conditions before using it for selection.