2018 Ram 2500 Oil Type

The oil type for the 2018 Ram 2500 depends on the engine type. For gasoline engines, 5W-20 or 5W-30 viscosity synthetic blend oil is recommended. For diesel engines, a 15W-40 weight synthetic blend oil is recommended.

It’s important to make sure that you use an oil that meets both the manufacturer’s requirements and your local climate conditions when selecting an oil for your vehicle. Before changing your engine’s oil, ensure that it has been driven enough to get warm in order to help reduce friction while draining any old fluid still present in the system. Additionally, consult with a service technician if you have any concerns about what kind of motor oil should be used in this specific model of truck before making any changes yourself.

When it comes to choosing the right oil for your 2018 Ram 2500, you want to make sure that you select an option that is specifically designed for diesel engines. This will ensure maximum performance and efficiency from your vehicle. The recommended oil type for this model year is a 5W-30 full synthetic oil with API Certification CJ-4 or newer.

Be sure to refer to your owner’s manual for the exact specifications of what type of oil is best suited for your truck before making any decisions.

2018 Ram Cummins 6.7 2500 oil change

What Oil Does a Ram 2500 6.7 Cummins Take?

The Ram 2500 6.7 Cummins engine is a powerful, reliable workhorse that’s capable of getting the job done with minimal maintenance and upkeep. But like any other diesel engine, it needs to be properly lubricated in order to keep running efficiently and avoid premature wear and tear. That’s why it’s important to use the correct oil for your Ram 2500 6.7 Cummins engine; luckily, selecting an appropriate oil isn’t too difficult!

When it comes to lubricating your 6.7 Cummins-powered Ram 2500, you should opt for either a 5W-40 or 15W-40 synthetic motor oil that meets API CJ-4/SN specifications; these oils have been specifically designed for modern engines like those found in late model Rams. Whatever you do though, make sure not to use conventional mineral oils as they can cause sludge buildup over time due to their lack of detergent additives — this could lead to serious problems down the line!

What Oil Does a 2018 6.7 Cummins Take?

The 2018 6.7 Cummins diesel engine requires the use of 5W-40 synthetic oil for optimal performance and protection. Synthetic oil is designed to be more durable than conventional oils, providing superior lubrication in extreme temperatures as well as better resistance to oxidation, viscosity breakdown, sludge formation and thermal degradation. Additionally, synthetic oil has a greater ability to withstand heat and shear forces making it ideal for high-performance applications such as those found in modern diesel engines.

When choosing an appropriate brand of synthetic oil for your 6.7 Cummins engine, look for one that meets API CI-4/SN or ACEA A3/B4 standards with the correct viscosity rating (5W-40). It’s also important to ensure that your chosen brand contains additives specifically designed to protect against soot build up and other common problems associated with today’s advanced diesel engines.

What Kind of Oil Does a 2018 Ram 2500 6.4 Take?

The 2018 Ram 2500 6.4-liter engine requires 5W-40 synthetic motor oil. This type of oil is designed to provide superior lubrication and protection compared to conventional oils, while also having improved resistance to viscosity breakdown due to high temperatures and extended service intervals. When choosing an oil for your truck, it’s important to make sure the grade you select meets or exceeds the manufacturer’s recommendations.

If you’re unsure which oil is right for your truck, consult with a professional mechanic who can help you pick the best option for your needs.

How Much Oil Does a 2018 Ram 2500 6.7 Cummins Take?

The 2018 Ram 2500 6.7 Cummins requires a total of 15 quarts of oil to fill the engine’s crankcase with enough lubrication for optimal performance. It is important to use only diesel-grade oil designed for this specific model, as other types may contain additives that could damage or otherwise impair the engine’s functionality and longevity. Additionally, it is best practice to perform an oil change every 10,000 miles.

When performing an oil change on the 2018 Ram 2500 6.7 Cummins, make sure you drain all 15 quarts from the engine and replace them with fresh new ones in order to keep your vehicle running at its peak performance level.

What Oil Does a 2018 Super Duty 6.7 Take?

The 2018 Super Duty 6.7 engine is designed to run on 15W-40 viscosity diesel oil, with a specific Ford specification of WSS-M2C171-F1. It’s important to use the correct type and grade of oil in this engine, as it is specifically designed to provide maximum protection against wear and tear while operating under extreme conditions. When choosing an aftermarket brand, ensure that it meets or exceeds Ford’s specifications for viscosity and performance.

The right type of oil helps keep your vehicle running at peak efficiency for years to come by reducing friction between moving parts, protecting metal surfaces from corrosion and improving fuel economy. By using the proper oil for your 2018 Super Duty 6.7 you will help prolong its lifespan and maximize its performance over time.

What Oil is Recommended for Ram 2500 Diesel?

When it comes to oil for your Ram 2500 diesel, the best choice is synthetic 5W-40 engine oil. This type of oil provides superior protection against wear and tear in extreme temperatures, as well as improved fuel economy. It also helps reduce emissions by allowing greater combustion efficiency.

Synthetic 5W-40 is formulated to maintain its viscosity even at high operating temperatures which is great for a hardworking truck like the Ram 2500 diesel. Additionally, since it resists breaking down when exposed to heat or other contaminants over time, you can be sure that this type of oil will provide long lasting protection for your vehicle’s engine.

2018 Ram 2500 Oil Type

Credit: tailoredtrucks.com

2018 Ram 2500 Diesel Oil Change

The 2018 Ram 2500 Diesel requires an oil change every 7,500 miles or 6 months. It is recommended that you use 5W-40 synthetic motor oil to maintain the highest level of performance. If you’re looking for a quality oil filter, Mopar offers specialized filters specifically designed for your vehicle.

Additionally, make sure to have all other fluids such as engine coolant and transmission fluid checked while you’re servicing your vehicle.

2018 Ram 2500 6.4 Oil Capacity

The 2018 Ram 2500 6.4-liter Heavy Duty truck has an oil capacity of 15 quarts with a filter change, and 17.5 quarts without the filter change. The engine is designed to use SAE 5W-30 synthetic motor oil for optimal performance and fuel efficiency. It is recommended that you check your owner’s manual or speak with a certified mechanic if you are uncertain about what type of oil to use in your vehicle.

2019 6.7 Cummins Oil Type

The recommended oil type for the 2019 6.7 Cummins engine is a synthetic 5W-40 viscosity motor oil meeting either API CJ-4, CI-4 Plus, or CI-4 specifications. For optimal performance and fuel economy it is important to use an oil of the correct viscosity grade in order to ensure proper lubrication of all internal components.


Overall, the 2018 Ram 2500 is a great vehicle that can handle any type of terrain. It requires an oil change every 10,000 miles and the best oil to use is 5W-30 synthetic blend motor oil. Using this type of oil will help keep your engine running smoothly and efficiently for years to come.

Taking care of your truck with quality maintenance will ensure it runs optimally for as long as possible.


  • 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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