Mitsubishi 4M51 Engine Specs
The Mitsubishi 4M51 engine is a reliable and powerful diesel engine commonly used in commercial trucks and buses. It is known for its durability and performance, making it a popular choice for many applications. In this article, we will explore the engine configuration, engine oil specs, and service intervals for the Mitsubishi 4M51 engine.
Engine Configuration
The Mitsubishi 4M51 engine is a four-cylinder, four-stroke diesel engine. It has a displacement of 4.9 liters, which refers to the total volume of all the cylinders. This engine is equipped with a turbocharger, which helps improve its power output and efficiency. The 4M51 engine also features an overhead camshaft design, allowing for precise valve control and optimal performance.
Engine Oil Specs
Using the correct engine oil is crucial for maintaining the performance and longevity of the Mitsubishi 4M51 engine. Here are the recommended engine oil specifications:
- Viscosity: The recommended viscosity for the 4M51 engine is 15W-40. This viscosity provides excellent lubrication and protection, especially in high-temperature conditions.
- API Rating: The engine oil should meet the API CI-4 rating. This rating ensures that the oil provides sufficient protection against wear, deposits, and oxidation.
- Oil Capacity: The oil capacity of the 4M51 engine is approximately 10 liters. It is important to check the oil level regularly and top it up as needed.
Service Intervals
Regular maintenance is essential to keep the Mitsubishi 4M51 engine running smoothly. Here are the recommended service intervals for this engine:
- Oil Change: The engine oil should be changed every 10,000 kilometers or 6,000 miles. This interval may vary depending on the operating conditions and the type of oil used. It is always best to consult the owner’s manual for specific recommendations.
- Oil Filter Replacement: The oil filter should be replaced at every oil change. This ensures that any contaminants or particles are effectively removed from the engine oil.
- Air Filter Replacement: The air filter should be inspected and replaced as necessary. A clogged or dirty air filter can restrict airflow to the engine, affecting its performance and fuel efficiency.
- Fuel Filter Replacement: The fuel filter should be replaced at regular intervals to prevent any contaminants from reaching the fuel injectors. This helps maintain proper fuel flow and combustion efficiency.
- Regular Inspections: It is recommended to have the engine inspected by a qualified technician at regular intervals. They can check for any potential issues or wear and tear that may require attention.
Detailed Engine Specifications
Here are the detailed specifications for the Mitsubishi 4M51 engine:
| Engine Type | Four-cylinder, four-stroke diesel engine |
|---|---|
| Displacement | 4.9 liters |
| Configuration | Inline |
| Valvetrain | Overhead camshaft |
| Turbocharger | Yes |
| Oil Viscosity | 15W-40 |
| API Rating | CI-4 |
| Oil Capacity | Approximately 10 liters |
In conclusion, the Mitsubishi 4M51 engine is a reliable and powerful diesel engine commonly used in commercial vehicles. By following the recommended engine oil specs and service intervals, you can ensure the longevity and optimal performance of this engine. Regular maintenance and inspections are key to keeping your Mitsubishi 4M51 engine running smoothly for years to come.
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