Mitsubishi INDUSTRIAL ENGINES
In ProductionMitsubishi S12U-PTA
S12U Series
Mitsubishi S12U-PTA 141.150L V12 constant-speed diesel engine for generator applications. Official MHI output without fan - 50 Hz: prime 2429 kWm at 1000 rpm, standby 2518 kWm at 1000 rpm; 60 Hz: standby 2255 kWm at 900 rpm, prime 2182 kWm at 900 rpm, standby 2703 kWm at 1200 rpm, prime 2576 kWm at 1200 rpm. Emissions: Unregulated.
Standby Power
3210 kVA
Electrical Output
2568 kWe
Cylinders / Config
V12
Displacement
141.15 L
Rated Speed
900 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 | 2429 | 2308 | 2885 |
| Standby | 2518 | 2392 | 2990 |
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 2576 | 2447.2 | 3059 |
| Standby | 2703 | 2568 | 3210 |
Mechanical & Electrical Specifications
| Brand | Mitsubishi |
| Model | S12U-PTA |
| Series | S12U Series |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 141.15 L |
| Dry Weight | 15500 kg |
| Dimensions (L×W×H) | 3519 × 1820 × 2374 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 S12U-PTA?
The Mitsubishi S12U-PTA is rated at 2,990 kVA standby / 2,885 kVA prime at 50 Hz (900 rpm); and 3,210 kVA standby / 3,059 kVA prime at 60 Hz (1,080 rpm).
Does the S12U-PTA run at 50 Hz or 60 Hz?
The Mitsubishi S12U-PTA is available for both 50 Hz (900 rpm) and 60 Hz (1,080 rpm).
What fuel does the Mitsubishi S12U-PTA use?
The Mitsubishi S12U-PTA is a diesel generator-set engine.
What is the displacement and cylinder configuration of the S12U-PTA?
The Mitsubishi S12U-PTA is a V12 (12-cylinder) engine with a displacement of 141.15 L.
Is the Mitsubishi S12U-PTA still in production?
Yes — the Mitsubishi S12U-PTA is a current production model.
Is a datasheet available for the S12U-PTA?
Yes — an official Mitsubishi datasheet for the Mitsubishi S12U-PTA can be downloaded from this page.