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The CAT C12 industrial diesel engine is engineered for reliable performance in marine, industrial and mining environments, delivering stable power output, efficient combustion and long service intervals. With a 6-cylinder inline configuration, turbocharged/aftercooled air management and robust construction, the C12 ensures dependable operation in generators, pumps, compressors and auxiliary equipment.
Electronic governor control, advanced diagnostics and temperature/pressure monitoring systems guarantee accurate engine management and reduced downtime. With multiple cooling, air-intake, lubrication and fuel system configurations, the CAT C12 can be adapted to a wide range of applications and installation requirements.
Key Benefits
- Stable power range for heavy-duty applications.
- Turbocharged/aftercooled design for efficient air management and improved durability.
- Electronic governing, cold-start strategy and full diagnostic capability.
- Robust corrosion-resistant components for marine and industrial operation.
- Flexible installation options and easy access for maintenance.
Technical Specifications
| Model | CAT C12 |
|---|---|
| Power Rating | 340–490 bhp (254–366 bkW) |
| Rated Speed | 1800–2300 rpm |
| Emissions | IMO I, IMO II |
| Aspiration | Turbocharged / seawater aftercooled |
| Bore × Stroke | 130 × 150 mm |
| Displacement | 12 L |
| Configuration | Inline 6-cylinder, 4-stroke diesel |
| Rotation (Flywheel End) | Counter-clockwise (left) |
| Dry Weight | 1174 kg |
| Dimensions (L × W × H) | 1574 × 969 × 1005 mm |
Explore the full CAT C12 spare parts catalog. If you did not find the component you need, contact our specialists — we will help you identify and supply the correct part.