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How much oil does a 5.9 Cummins use?

The 5.9 Cummins diesel engine, commonly found in Dodge Ram trucks, typically requires around 6 to 7 quarts of oil for a full oil change. The exact oil capacity can vary slightly depending on the specific model year and configuration of the engine.


Detailed Overview of the 5.9 Cummins Oil Capacity


The 5.9-liter Cummins inline-six diesel engine has been a popular choice for heavy-duty trucks, particularly in Dodge Ram models, for many years. This robust engine is known for its durability and impressive towing capacity. When it comes to the oil requirements for a 5.9 Cummins, there are a few key points to consider:



  • Oil Capacity: The standard oil capacity for a 5.9 Cummins engine is typically between 6 and 7 quarts. This can vary slightly depending on the specific model year and whether the engine is equipped with a filter relocation kit or other modifications.

  • Oil Type: The 5.9 Cummins engine is designed to use a high-quality, heavy-duty diesel engine oil, such as 15W-40 or 10W-30 oil. It's important to use the recommended oil type and viscosity to ensure proper lubrication and engine protection.

  • Oil Change Interval: Most manufacturers recommend changing the oil in a 5.9 Cummins engine every 5,000 to 10,000 miles, or at least once a year, depending on the vehicle's usage and operating conditions.


It's always a good idea to refer to the owner's manual or consult with a qualified mechanic to determine the exact oil capacity and recommended maintenance schedule for your specific 5.9 Cummins-powered vehicle.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.