2018 6.7 Cummins Oil Type, Capacity, Filter & Engine Specs


2018 6.7 Cummins Oil Type: Inspecting and maintaining your 2017 6.7 Cummins engine with proper oil changes is vital to ensure maximum performance and long-lasting. 

Selecting the correct type of oil As well as knowing the capacity of the oil And understanding the compatibility of filters are the most important aspects of A successful oil change. 


This guide, compiled using authoritative sources And updated with the most current information, gives you all the information you require to ensure that your 6.7 Cummins engine runs smoothly.

2018 6.7 Cummins Oil Type

This year’s 6.7 Cummins requires a SAE 5W-40 API CJ-4 or CK-4 oil. This viscosity rating ensures optimal lubrication over A broad temperature range, And the API rating assures compatibility with diesel engines of the future As well As emission management systems.


 Always consult the owner’s guide for specific oil recommendations that are based on your vehicle’s operating conditions.

2018 6.7 Cummins Oil Capacity

The capacity of the oil in the new 6.7 Cummins engine, including the filter for oil the capacity is 12 Quarts (11.4 Liters). 

This is essential to ensure proper oil circulation And the lubrication of the engine. Incorrect filling or overfilling could cause damage to the engine.

2018 6.7 Cummins Oil Filter

The most recommended oil filter for the year 2018 6.7 Cummins is the Mopar 6847S or A similar model. 

This filter is designed specifically to work with specifically for the 6.7 Cummins engine And provides the highest filtration efficiency. 

The correct filter will ensure An optimal flow of oil And Also protect your vehicle from damaging contaminants.

2018 6.7 Cummins Oil Change Cost

The price of changing the oil in your new 6.7 Cummins will vary depending on whether you perform it yourself or go to an expert. 

If you opt to perform the task yourself, it will cost you primarily for the filter And oil generally with A range of $50-$100. 

If you take it to A professional, it will cost you additional labor which can bring the total between $100-$200.

2018 6.7 Cummins Engine Specs

Its 2018 6.7L Cummins engine, a powerful engine found in RAM trucks as well as other commercial vehicles, has impressive specs that can handle both high-end work as well as easy driving. This is a brief overview of its main specifications:
Engine TypeInline 6-cylinder, 4-stroke, Common Rail Diesel Injection
Displacement6.7L (408.2 cu in)
Bore x Stroke4.00″ x 4.88″ (101.6mm x 124mm)
Horsepower (HP)Between 330 and 385 HP (depending on the application and tuning)
Torque (lb-ft)800-930 lb-ft (depending on the application and the tuning)
Compression Ratio17.3:1
Fuel SystemHigh-pressure common rail injection, Bosch CP3 pump
Fuel RatingDiesel fuel API CJ-4 or CK-4 is recommended.
Emission StandardsUS EPA Tier 4 Final
Capacity of Oil (with filter)12 quarts (11.4 liters)
Oil TypeSAE 5W-40 synthetic oils, Cummins CES 20081 specification suggested
TurbochargerTurbocharger single-stage, variable-geometry
Cooling SystemClosed-loop liquid cooling system that has a thermostat
Starting SystemElectrical system that is 12V or 24V in accordance with the needs of the project.
Weight (dry)The weight range is 660 to 710 lbs (depending on the configuration)
Length31.5″ (80.0 cm)
Width28.5″ (72.4 cm)
Height35.0″ (88.9 cm)
Fuel Economy (combined)15 to 20 MPG (depending on the application and driving conditions)
Typical ApplicationsRAM 2500/3500 commercial trucks, pickups buses Construction equipment

2018 6.7 Cummins Oil Change

  1. Warm your engine It loosens up the oil to allow for a better drain.
  2. Place your car on A level surface, then activate your parking brake.
  3. The hood should be opened And look for the drain plug for oil And the oil filter.
  4. The drain pan should be placed underneath the plug and let it loosen with care. Allow the oil to completely drain.
  5. Re-install the drain pipe by fitting a new gasket, if needed. Tighten it to the torque specified (refer to the owner’s manual).
  6. Utilizing the wrench to remove the oil filter lift And remove your old filter. Be careful not to spill any oil.
  7. Apply a thin layer of clean oil on the gasket of your new filter. Screw it on by hand, And then tighten it up using the wrench (following the specifications of the manual for torque).
  8. Inject the oil you have just added into your engine And check the dipstick regularly to prevent overfilling. Aim for slightly lower than that “full” mark.
  9. The engine should be started Allow it to run for A couple of moments. Check for leaks around the drain pipe and filter.
  10. Stop the engine And check the level of oil. Top off if required.
  11. Get rid of the oil that is used and filter responsibly. Many auto parts stores will recycle them. 

FAQs – 2018 6.7 Cummins oil type

What kind of oil does a 6 7 Cummins take?

And according to the user guidelines, the 6.7 Cummins oil type seems to be API CJ-4/SL designated 15W40 oil. 5W40 oil is also suitable. Manufacturer-Recommended Engine Oil for 6.7 Cummins As always if you want to be a happy truck owner, you better listen to the manufacturers.


How many quarts of oil does a 2018 Cummins take?

The oil capacity of this engine is 12 US quarts. The 2018 Cummins diesel engine features 385 hp @ 2,800 rpm with 930 lb-ft of torque @1,700 rpm. The recommended oil type for this engine is SAE 15W-40 or SAE 5W-40 full synthetic. The oil capacity of this engine is 12 US quarts.

What kind of oil does the 2019 Cummins 400 take?

The 2019 Cummins diesel engine produces 1,000 lb-ft of torque at 1,800 rpm and 400 horsepower at 2,800 rpm.

Does a Cummins require more oil than other engines?

Limits the frequency of top-ups. A 6.7 Cummins engine is a powerhouse with impressive horsepower and torque. It also means your oil undergoes a lot more strain than it would with a weaker system. Cummins requires a fair bit of oil, though older models tend to consume it in excess (often due to flawed seals).

Also, Related some Articles:

BMW 323, BMW 324 Engine Oil Capacity Toyota Corolla, E11 Engine Oil CapacityToyota Corolla, E9 Engine Oil Capacity

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The performance And longevity of your 2018 6.7 Cummins engine depend on the type of oil you use to maintain it.

Consider the manufacturer’s recommendations, the intended use, the climate, And your budget when selecting the type of oil.

To ensure optimum engine performance and longevity, adhere to the advised oil change intervals, use high-quality oil filters, And frequently check your engine oil level.

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