2021 Ram 2500 Cummins Oil Capacity

The 2021 Ram 2500 Cummins oil capacity is 8.0 quarts (7.6 liters). This amount of oil is recommended for engine oil changes, as well as other maintenance procedures such as topping off the power steering and replacing the fuel filter. It is important to use a quality motor oil that meets or exceeds the manufacturer’s specifications in order to maintain your vehicle’s performance and reliability.

When performing an oil change, it is also necessary to replace the old filter with a new one that matches the type of engine being used. Additionally, when changing filters it may be beneficial to add an additional quart of fresh motor oil so that any contaminants are completely flushed from the system before putting in clean fluid.

The 2021 Ram 2500 Cummins is a powerful, durable truck that’s built to last. It comes with an impressive 5.7-liter Cummins Turbo Diesel engine, which is capable of producing up to 900 lb.-ft.

of torque and 370 horsepower. To keep this engine running smoothly, the manufacturer recommends changing the oil every 10,000 miles or 12 months — whichever comes first — and it has an oil capacity of 16 quarts (15 liters). With proper maintenance and care for your vehicle, you can ensure that your Ram 2500 Cummins continues to perform at its best for years to come!

2021 5th Gen Cummins Oil Change. 2021 Ram 2500

How Much Oil Does a 6.7 Cummins Ram 2500 Take?

The 6.7 Cummins Ram 2500 is a powerful and reliable diesel engine, but it does require regular maintenance to ensure peak performance. One of the most important elements of this maintenance is oil changes, and knowing how much oil your truck takes can save you time and money in the long run. The 6.7 Cummins Ram 2500 requires approximately 10 quarts (9L) of oil for an initial full fillup or an oil change using conventional oils, or 11 quarts (10L) when using synthetic oils.

You should also make sure that your engine has the correct type of oil filter installed; these are typically located on either side towards the rear middle section of the engine bay on some models depending on year/model variations. It’s important to check your owner’s manual to determine what type of filter you need before making any purchases as some may have different types such as spin-on filters instead of cartridge filters. With all that being said, be sure to keep up with regular scheduled maintenances such as checking fluid levels regularly and replacing parts when needed in order to keep your vehicle running smoothly for many years to come!

What Kind of Oil Does a 2021 Ram 2500 6.7 Cummins Take?

The 2021 Ram 2500 6.7 Cummins is a powerful and reliable diesel engine that requires the right oil to keep it running smoothly for years to come. The manufacturer recommends using 5W-40 synthetic motor oil with a viscosity grade of CK-4 or better. This type of oil provides superior protection from wear, corrosion, and oxidation as well as excellent fuel economy benefits over other types of oils such as 15W-40 conventional motor oils.

Additionally, it helps to improve cold starting performance in colder climates while providing maximum lubrication at high temperatures. As the engine ages and accumulates more miles, changing the oil every 10,000 miles is recommended to ensure optimal performance and longevity; this should be done under normal driving conditions but may need more frequent changes if you’re doing extreme off-roading or towing heavy loads regularly. When choosing an appropriate brand of 5W-40 synthetic motor oil for your 2021 Ram 2500 6.7 Cummins, be sure to check with your dealer or consult your owner’s manual for their specific recommendation on what type best suits your needs.

How Much Oil Does a Ram 2500 Cummins Diesel Take?

The Ram 2500 Cummins diesel engine requires 10 quarts (9.5 liters) of oil to remain properly lubricated and running smoothly. It is important that the right type of oil is used in this engine; owners should refer to their owner’s manual for information on what type of oil should be used in their specific model. In addition, it is recommended that the engine be drained and refilled with new oil every 3,000-5,000 miles depending on driving conditions and how often the truck is used.

The filter must also be changed at each oil change in order to ensure maximum performance from your diesel engine. Proper maintenance of your Ram 2500 Cummins diesel will help make sure you get many years or even decades out of this dependable vehicle!

What Oil Does a 2021 Ram 2500 6.4 L Take?

The 2021 Ram 2500 6.4 L engine requires 5W-20 synthetic motor oil for maximum performance and protection. This type of oil is specifically designed to reduce friction, improve fuel economy and reduce emissions from the engine. It also provides superior protection against heat, cold, oxidation, corrosion and viscosity break down compared to conventional oils.

Synthetic motor oils are formulated with more durable additives which help ensure a longer service life than that provided by conventional oils. For the best performance out of your 2021 Ram 2500 6.4 L engine it is important to have regular oil changes every 5000 miles or so using only certified 5W-20 synthetic motor oil as recommended by FCA US LLC (formerly Chrysler Group LLC).

2021 Ram 2500 Cummins Oil Capacity

Credit: www.dieselpowerproducts.com

2021 Ram 2500 Cummins Oil Type

The 2021 Ram 2500 Cummins is powered by a 6.7-liter turbocharged inline six-cylinder diesel engine, and it requires an SAE 15W-40 viscosity grade motor oil for lubrication. For the best performance and protection of your vehicle, it is recommended to use synthetic motor oil that meets API CK-4 standards or higher. Additionally, make sure you check your owner’s manual for any specific specifications before choosing the right type of oil for your truck.

2021 Ram 2500 Cummins Oil Filter

The 2021 Ram 2500 Cummins oil filter is designed to provide superior filtration of engine oil, keeping it clean and free from contaminants. The filter comes in two sizes: a standard size for the 6.7L diesel engine, and an upgraded HD version for the 6.7L High Output diesel engine. Both versions boast improved flow rates and longer service life than their predecessors, providing reliable protection against dirt, debris, and other harmful particles that can reduce performance or cause damage over time.

2022 Ram 2500 Cummins Oil Capacity

The 2022 Ram 2500 Cummins offers an impressive and reliable 6.7L I6 Turbo Diesel engine, capable of producing up to 370 horsepower and 850 lb-ft of torque. This truck also has a large oil capacity, with the oil pan containing 16 quarts (15.1 liters) and the oil filter requiring 4 quarts (3.8 liters). With this generous capacity, you can rest assured that your engine will be well lubricated for miles on end!


Overall, the 2021Ram 2500 Cummins oil capacity is an important factor to consider when maintaining your vehicle. To ensure optimal performance and engine life, it is essential that you use the correct amount of oil as specified by Ram. Additionally, regular oil changes are recommended to keep your engine running smoothly and efficiently.

By adhering to these guidelines, you can ensure a long-lasting and reliable truck for years to come!


  • Zayn

    John Zayn Smith is a renowned truck enthusiast, automotive industry expert, and author. Beginning his career as a mechanic, Zayn's curiosity led him to explore all facets of the trucking world, sharing his insights through in-depth articles on TruckGuider.com. His knowledge spans truck mechanics, trends, and aftermarket modifications, making him a trusted resource for both professionals and hobbyists. Outside writing and mechanics, Zayn enjoys off-roading, truck shows, and family time. Follow his work for the latest in truck-related news and tips.

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