Industrial Engine - Constant Speed
S12R-A2PTAW
General information
The S12R-A2PTAW 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
-
Specifications
Engine type 4-stroke, diesel Cylinder configuration 12/60°V Bore x stroke (mm) 170 x 180 Total displacement (l) 49.03 Dry weight (kg) 5270 Dimensions - L x W x H (mm) 2491 x 1457 x 1647 Aspiration Turbocharged Cooling system water-cooled with separate 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 21" / SAE #00 -
Ratings
Rating ESP PRP / LTP / DCP Frequency (Hz) 50 50 Output without fan (kWm) 1225 1114 Output without fan (bhp) 1642 1493 Output without fan (kVA) 1455 1323 Output with fan (kWm) 1195 1084 Output with fan (bhp) 1602 1453 Output with fan (kVA) 1419 1287 Engine speed (rpm) 1500 1500 Emissions EPA Tier II - 50 Hz Not regulated -
DOCUMENTATION
Overview brochure - Mitsubishi - Power Generation Engines PDF Specification sheet - S12R-A2PTAW PDF Rating Definition Charts - Industrial Constant Speed PDF
| Engine type | 4-stroke, diesel |
|---|---|
| Cylinder configuration | 12/60°V |
| Bore x stroke (mm) | 170 x 180 |
| Total displacement (l) | 49.03 |
| Dry weight (kg) | 5270 |
| Dimensions - L x W x H (mm) | 2491 x 1457 x 1647 |
| Aspiration | Turbocharged |
| Cooling system | water-cooled with separate 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 21" / SAE #00 |
| Rating | ESP | PRP / LTP / DCP |
|---|---|---|
| Frequency (Hz) | 50 | 50 |
| Output without fan (kWm) | 1225 | 1114 |
| Output without fan (bhp) | 1642 | 1493 |
| Output without fan (kVA) | 1455 | 1323 |
| Output with fan (kWm) | 1195 | 1084 |
| Output with fan (bhp) | 1602 | 1453 |
| Output with fan (kVA) | 1419 | 1287 |
| Engine speed (rpm) | 1500 | 1500 |
| Emissions | EPA Tier II - 50 Hz | Not regulated |
| Overview brochure - Mitsubishi - Power Generation Engines | |
|---|---|
| Specification sheet - S12R-A2PTAW | |
| Rating Definition Charts - Industrial Constant Speed |
*This data may be revised without prior notice. All pictures shown are for illustration purpose only.