Mitsubishi INDUSTRIAL ENGINES
In ProductionMitsubishi S12H-PTA Switchable
S12H Series
Mitsubishi S12H-PTA Switchable 37.110L V12 constant-speed diesel engine for generator applications. Official MHI output without fan - 50 Hz: prime 930 kWm at 1500 rpm, standby 1020 kWm at 1500 rpm; 60 Hz: prime 990 kWm at 1800 rpm, standby 1120 kWm at 1800 rpm. Emissions: Unregulated.
Standby Power
1330 kVA
Electrical Output
1064 kWe
Cylinders / Config
V12
Displacement
37.11 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 | 930 | 883.2 | 1104 |
| Standby | 1020 | 968.8 | 1211 |
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 990 | 940.8 | 1176 |
| Standby | 1120 | 1064 | 1330 |
Mechanical & Electrical Specifications
| Brand | Mitsubishi |
| Model | S12H-PTA Switchable |
| Series | S12H Series |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 37.11 L |
| Dry Weight | 4450 kg |
| Dimensions (L×W×H) | 2250 × 1472 × 1694 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 S12H-PTA Switchable?
The Mitsubishi S12H-PTA Switchable is rated at 1,211 kVA standby / 1,104 kVA prime at 50 Hz (1,500 rpm); and 1,330 kVA standby / 1,176 kVA prime at 60 Hz (1,800 rpm).
Does the S12H-PTA Switchable run at 50 Hz or 60 Hz?
The Mitsubishi S12H-PTA Switchable is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Mitsubishi S12H-PTA Switchable use?
The Mitsubishi S12H-PTA Switchable is a diesel generator-set engine.
What is the displacement and cylinder configuration of the S12H-PTA Switchable?
The Mitsubishi S12H-PTA Switchable is a V12 (12-cylinder) engine with a displacement of 37.11 L.
Is the Mitsubishi S12H-PTA Switchable still in production?
Yes — the Mitsubishi S12H-PTA Switchable is a current production model.
Is a datasheet available for the S12H-PTA Switchable?
Yes — an official Mitsubishi datasheet for the Mitsubishi S12H-PTA Switchable can be downloaded from this page.
