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How many gallons of oil does a 6.6 L Duramax take?

The 6.6L Duramax diesel engine, commonly found in heavy-duty trucks, requires approximately 6 to 7 gallons of engine oil for a full oil change. The exact oil capacity can vary slightly depending on the specific model and year of the Duramax engine.


Detailed Explanation


The Duramax 6.6L diesel engine is a powerful and reliable powerplant used in various heavy-duty trucks, such as the Chevrolet Silverado HD and GMC Sierra HD. This engine is known for its impressive towing capacity, fuel efficiency, and durability. When it comes to the oil change requirements, the 6.6L Duramax typically needs between 6 to 7 gallons of engine oil to complete a full oil change.


The exact oil capacity can vary slightly depending on the specific model year and configuration of the Duramax engine. For example, earlier versions of the 6.6L Duramax may have a slightly lower oil capacity compared to the more recent models. Additionally, some trucks may have slightly different oil capacities due to factors such as the presence of an oil filter relocation kit or other modifications.


It's important to always refer to the owner's manual or consult with a qualified mechanic to determine the exact oil capacity for your specific 6.6L Duramax-equipped vehicle. Using the correct amount of engine oil is crucial for the proper lubrication and performance of the engine, as well as to maintain the warranty and ensure the longevity of the Duramax powertrain.


Key Takeaways



  • Oil Capacity: The 6.6L Duramax diesel engine typically requires 6 to 7 gallons of engine oil for a full oil change.

  • Variation: The exact oil capacity may vary slightly depending on the specific model year and configuration of the Duramax engine.

  • Importance of Proper Oil Level: Using the correct amount of engine oil is crucial for the proper lubrication and performance of the Duramax engine.

  • Consult Owner's Manual: Always refer to the owner's manual or consult with a qualified mechanic to determine the exact oil capacity for your specific 6.6L Duramax-equipped vehicle.


By following the recommended oil change intervals and using the correct amount of engine oil, you can help ensure the long-term reliability and performance of your 6.6L Duramax-powered truck.

How much oil does a 2024 GMC 2500 6.6 diesel take?


8 quarts (with filter). After refill check oil level. Torque: 18 ft/lbs (Oil Drain Plug) Replace drain plug seal.



How often do you change the oil in a 6.6 Duramax diesel?


7,500 Miles:
Change engine oil and filter. Inspect engine air filter minder.



How much oil does a 2007 C4500 take?


C4500, 5500, 6500 Dmaxes take 14-16 qts of oil.



How many gallons does a 6.6 Duramax take?


The specs say 36 gallons, of course. Diesel is prone to foam, especially if you're fast-filling a nearly empty tank, so a slow fill will maximize the amount of fuel you can get in there. The fuel line and neck to the tank hold some fuel too, of course.



How much oil does a 6.6 Duramax engine take?


The 6.6 liter Duramax oil capacity is 10 quarts — a massive amount of oil. While oil capacity is one thing to consider when dealing with your engine oil, there's much more to think about, like other Duramax fluid capacities, oil factors and unique performance needs.



How much oil does a Duramax burn?


The maximum oil consumption for the 6.6L Duramax™ Diesel engine (RPOs LMM, LML and LGH) is 1.18 liter (1.25 qt) within 379 liters (100 gallons) of fuel used. For heavy towing applications (9 mpg/26.1 L/100 km (Liters per 100 kilometers)), this correlates to a consumption of 1.30 liter (1.38 qt) per 1000 miles.



What is high mileage for a 6.6 Duramax?


300,000 miles
When it comes to Duramax 6.6L engines, hitting over 300,000 miles or 480,000 km is often seen as high mileage, but this can vary based on maintenance and overall truck condition. With proper care, these engines can keep going strong for up to 500,000 miles or 800,000 km.



How often should I change Duramax oil?


Duramax 6.6-Liter Maintenance Schedule
Oil and filter change at 10,000 miles or when you see the “Change engine oil” message.



How many gallons does a 2500 Duramax hold?


The stock tank is only 36 gallons.



How much oil does a 2500HD 6.6 take?


How Much Oil Should I Use in my Silverado 2500? This answer depends on the type of engine in your Silverado 2500. The two engine types and their oil capacities are: 6.6L V8: 8 quarts.


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.