Mitsubishi INDUSTRIAL ENGINES
In ProductionMitsubishi S12R-A2PTAW
S12R Series
Mitsubishi S12R-A2PTAW 49.030L V12 constant-speed diesel engine for generator applications. Official MHI output without fan - 50 Hz: prime 1114 kWm at 1500 rpm, standby 1225 kWm at 1500 rpm. Emissions: Unregulated (prime); U.S. EPA Tier 2 (standby).
Standby Power
1455 kVA
Electrical Output
1164 kWe
Cylinders / Config
V12
Displacement
49.03 L
Rated Speed
1,500 RPM
ISO 8528 Power Ratings
Power Factor: 0.8 pfkWm = mechanical engine shaft power · kWe = electrical output · kVA = apparent electrical power.
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 1114 | 1058.4 | 1323 |
| Standby | 1225 | 1164 | 1455 |
Mechanical & Electrical Specifications
| Brand | Mitsubishi |
| Model | S12R-A2PTAW |
| Series | S12R Series |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 49.03 L |
| Dry Weight | 5270 kg |
| Dimensions (L×W×H) | 2491 × 1457 × 1647 mm |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 2 |
| Country of Origin | Japan |
Frequently Asked Questions
What is the power output of the Mitsubishi S12R-A2PTAW?
The Mitsubishi S12R-A2PTAW is rated at 1,455 kVA standby / 1,323 kVA prime at 50 Hz (1,500 rpm).
Does the S12R-A2PTAW run at 50 Hz or 60 Hz?
The Mitsubishi S12R-A2PTAW is rated for 50 Hz (1,500 rpm).
What fuel does the Mitsubishi S12R-A2PTAW use?
The Mitsubishi S12R-A2PTAW is a diesel generator-set engine.
What is the displacement and cylinder configuration of the S12R-A2PTAW?
The Mitsubishi S12R-A2PTAW is a V12 (12-cylinder) engine with a displacement of 49.03 L.
What emissions standard does the S12R-A2PTAW meet?
The Mitsubishi S12R-A2PTAW is certified to U.S. EPA Tier 2 emissions standards.
Is the Mitsubishi S12R-A2PTAW still in production?
Yes — the Mitsubishi S12R-A2PTAW is a current production model.
Is a datasheet available for the S12R-A2PTAW?
Yes — an official Mitsubishi datasheet for the Mitsubishi S12R-A2PTAW can be downloaded from this page.