Mitsubishi
Mitsubishi S12R-PTA-C
S12R Series
Mitsubishi S12R-PTA-C 49.03L 12-cylinder Shanghai MHI generator-drive diesel engine. 1080 kWm prime and 1190 kWm standby at 50 Hz/1500 rpm.
Overhaul & repair parts- Supporting documents
- No documents linked
- Last updated
- 2026-07-23
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 1,413 kVA
- Electrical Output
- 1,131 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 | 1080 | 1026 | 1282.5 |
| Standby Power | 1190 | 1130.5 | 1413.1 |
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.
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Mitsubishi S12R-PTA-C generator set context
The Mitsubishi S12R-PTA-C is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 1,413 kVA / 1,131 kWe / standby 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 | S12R-PTA-C |
| Series | S12R Series |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 49.03 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | China |
Frequently asked questions
What is the power output of the Mitsubishi S12R-PTA-C?
The Mitsubishi S12R-PTA-C is rated at 1,413 kVA standby / 1,283 kVA prime at 50 Hz (1,500 rpm).
Does the S12R-PTA-C run at 50 Hz or 60 Hz?
The Mitsubishi S12R-PTA-C is rated for 50 Hz (1,500 rpm).
What fuel does the Mitsubishi S12R-PTA-C use?
The Mitsubishi S12R-PTA-C is a diesel generator-set engine.
What is the displacement and cylinder configuration of the S12R-PTA-C?
The Mitsubishi S12R-PTA-C is a V12 (12-cylinder) engine with a displacement of 49.03 L.
What is the catalog status of the Mitsubishi S12R-PTA-C?
The Mitsubishi S12R-PTA-C is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.