Industrial Engine - Constant Speed
S12A2-PTA
General information
The S12A2-PTA engine is designed and built in Japan, delivering premium levels of performance, durability and reliability. The engine uses proprietary MHIET mechanical fuel system and turbocharger technology, ensuring economical fuel consumption and maximized power output for a minimized installation footprint. Despite its compact size, the engine layout has been designed to provide easy inspection and maintenance. This strength and reliability are ideally suited for data center, commercial and municipal buildings, manufacturing plant and distributed power applications.
Benefits
- Compact in size
- Economical fuel consumption
- MHI-ET -designed and -manufactured fuel system and turbocharger
- Engine design and components layout allows for easy inspection and maintenance
- Maintenance activities require a low number of specialised tools
- Commonality of parts across the MHIET engine models, simplifies spare part management
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Specifications
Engine type 4-stroke, diesel Cylinder configuration 12/60°V Bore x stroke (mm) 150 x 160 Total displacement (l) 33.93 Dry weight (kg) 3400 Dimensions - L x W x H (mm) 2060 x 1382 x 1542 Aspiration Turbocharged Cooling system water-cooled with common jacket water and charge-air cooling circuits Combustion system direct injection Fuel injection system pump-line-nozzle (2x in-line pump) Electrical system (V) 24 Rotation (ISO 1204) counter clockwise Flywheel and housing SAE 18" / SAE #0 -
Ratings
Rating ESP ESP PRP / LTP / DCP PRP / LTP / DCP Frequency (Hz) 50 60 50 60 Output without fan (kWm) 746 850 679 761 Output without fan (bhp) 1000 1140 910 1020 Output without fan (kVA) 886 1009 806 904 Output with fan (kWm) 723 820 656 731 Output with fan (bhp) 970 1100 880 980 Output with fan (kVA) 859 974 779 868 Engine speed (rpm) 1500 1800 1500 1800 Emissions Not regulated Not regulated Not regulated Not regulated -
DOCUMENTATION
Overview brochure - Mitsubishi - Power Generation Engines PDF Specification sheet - S12A2-PTA PDF Rating Definition Charts - Industrial Constant Speed PDF
| Engine type | 4-stroke, diesel |
|---|---|
| Cylinder configuration | 12/60°V |
| Bore x stroke (mm) | 150 x 160 |
| Total displacement (l) | 33.93 |
| Dry weight (kg) | 3400 |
| Dimensions - L x W x H (mm) | 2060 x 1382 x 1542 |
| Aspiration | Turbocharged |
| Cooling system | water-cooled with common jacket water and charge-air cooling circuits |
| Combustion system | direct injection |
| Fuel injection system | pump-line-nozzle (2x in-line pump) |
| Electrical system (V) | 24 |
| Rotation (ISO 1204) | counter clockwise |
| Flywheel and housing | SAE 18" / SAE #0 |
| Rating | ESP | ESP | PRP / LTP / DCP | PRP / LTP / DCP |
|---|---|---|---|---|
| Frequency (Hz) | 50 | 60 | 50 | 60 |
| Output without fan (kWm) | 746 | 850 | 679 | 761 |
| Output without fan (bhp) | 1000 | 1140 | 910 | 1020 |
| Output without fan (kVA) | 886 | 1009 | 806 | 904 |
| Output with fan (kWm) | 723 | 820 | 656 | 731 |
| Output with fan (bhp) | 970 | 1100 | 880 | 980 |
| Output with fan (kVA) | 859 | 974 | 779 | 868 |
| Engine speed (rpm) | 1500 | 1800 | 1500 | 1800 |
| Emissions | Not regulated | Not regulated | Not regulated | Not regulated |
| Overview brochure - Mitsubishi - Power Generation Engines | |
|---|---|
| Specification sheet - S12A2-PTA | |
| Rating Definition Charts - Industrial Constant Speed |
*This data may be revised without prior notice. All pictures shown are for illustration purpose only.