Mitsubishi 6D22T Engine Specs

Engine Configuration

The Mitsubishi 6D22T engine is a six-cylinder, turbocharged diesel engine that belongs to the 6D2 series of engines produced by Mitsubishi Motors. It features a cast iron cylinder block and cylinder head, with a bore and stroke of 130 mm x 150 mm. The engine has a total displacement of 11.05 liters, providing ample power for various applications.

Engine Oil Specs

To ensure optimal performance and longevity of the Mitsubishi 6D22T engine, it is crucial to use the recommended engine oil. The engine requires a high-quality diesel engine oil that meets the specifications outlined by Mitsubishi Motors. It is recommended to use an oil with a viscosity grade of SAE 15W-40, which provides excellent lubrication and protection for the engine components.

Service Intervals

Regular maintenance and servicing are essential to keep the Mitsubishi 6D22T engine running smoothly. Here are the recommended service intervals for various engine components:

1. Engine Oil Change: It is recommended to change the engine oil every 10,000 kilometers or every six months, whichever comes first. Regular oil changes help remove contaminants and ensure proper lubrication of the engine.

2. Oil Filter Replacement: Along with the engine oil change, it is crucial to replace the oil filter. The oil filter should be replaced every 10,000 kilometers or every six months to maintain the engine’s cleanliness and prevent any potential damage.

3. Air Filter Replacement: The air filter should be inspected regularly and replaced every 20,000 kilometers or every 12 months, depending on the operating conditions. A clean air filter ensures proper air intake and improves engine performance.

4. Fuel Filter Replacement: The fuel filter should be replaced every 20,000 kilometers or every 12 months to prevent any contaminants from entering the fuel system. Regular replacement of the fuel filter helps maintain fuel efficiency and protects the engine from potential damage.

5. Coolant Replacement: The engine coolant should be replaced every 40,000 kilometers or every 24 months. Regular coolant replacement helps prevent overheating and corrosion within the engine’s cooling system.

6. Timing Belt Replacement: The timing belt should be replaced according to the manufacturer’s recommended interval, typically around 100,000 kilometers or every five years. A worn-out timing belt can cause severe engine damage if it fails, so timely replacement is crucial.

Detailed Engine Specifications

Engine Specifications Values
Engine Type Six-cylinder, turbocharged diesel engine
Displacement 11.05 liters
Bore x Stroke 130 mm x 150 mm
Cylinder Configuration In-line
Compression Ratio 17.5:1
Max Power Output 300 horsepower
Max Torque 900 Nm
Fuel System Direct Injection
Cooling System Water-cooled
  • The Mitsubishi 6D22T engine is a powerful and reliable diesel engine.
  • It features a turbocharger for enhanced performance and efficiency.
  • The engine has a high compression ratio of 17.5:1, contributing to its power output.
  • With a displacement of 11.05 liters, it provides ample torque for various applications.
  • The engine utilizes direct injection technology for efficient fuel delivery.
  • It is equipped with a water-cooled cooling system to maintain optimal operating temperatures.

In conclusion, the Mitsubishi 6D22T engine is a robust and efficient diesel engine that offers impressive power and torque. By following the recommended service intervals and using the appropriate engine oil, you can ensure the longevity and optimal performance of this engine. Regular maintenance is key to keeping your Mitsubishi 6D22T engine running smoothly for years to come.


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