Mitsubishi INDUSTRIAL ENGINES
In ProductionMitsubishi S12A2-PTA2
S12A2 Series
Mitsubishi S12A2-PTA2 33.930L V12 constant-speed diesel engine for generator applications. Official MHI output without fan - 50 Hz: prime 764 kWm at 1500 rpm, standby 840 kWm at 1500 rpm; 60 Hz: prime 864 kWm at 1800 rpm, standby 950 kWm at 1800 rpm. Emissions: Unregulated.
Standby Power
1128 kVA
Electrical Output
902 kWe
Cylinders / Config
V12
Displacement
33.93 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 | 764 | 725.6 | 907 |
| Standby | 840 | 798.4 | 998 |
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 864 | 820.8 | 1026 |
| Standby | 950 | 902.4 | 1128 |
Mechanical & Electrical Specifications
| Brand | Mitsubishi |
| Model | S12A2-PTA2 |
| Series | S12A2 Series |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 33.93 L |
| Dry Weight | 3400 kg |
| Dimensions (L×W×H) | 2163 × 1504 × 1542 mm |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | Japan |
Frequently Asked Questions
What is the power output of the Mitsubishi S12A2-PTA2?
The Mitsubishi S12A2-PTA2 is rated at 998 kVA standby / 907 kVA prime at 50 Hz (1,500 rpm); and 1,128 kVA standby / 1,026 kVA prime at 60 Hz (1,800 rpm).
Does the S12A2-PTA2 run at 50 Hz or 60 Hz?
The Mitsubishi S12A2-PTA2 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Mitsubishi S12A2-PTA2 use?
The Mitsubishi S12A2-PTA2 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the S12A2-PTA2?
The Mitsubishi S12A2-PTA2 is a V12 (12-cylinder) engine with a displacement of 33.93 L.
Is the Mitsubishi S12A2-PTA2 still in production?
Yes — the Mitsubishi S12A2-PTA2 is a current production model.
Is a datasheet available for the S12A2-PTA2?
Yes — an official Mitsubishi datasheet for the Mitsubishi S12A2-PTA2 can be downloaded from this page.