What is the 2020 6.7 Cummins Oil Capacity?

Did you start changing the motor oil of your car by yourself? Or do you simply want to know the 2020 6.7 Cummins oil capacity? Learning about the correct oil capacity will assist you in maintaining a healthy truck and running at optimal conditions.

The 2020 6.7 Cummins model has an oil capacity of 12 quarts. This oil capacity is different from its earlier versions.

This brief post will look at the oil capacity, oil change intervals, and other FAQs regarding 2020 6.7 Cummins. So, let’s jump right in!

2020 6.7 cummins oil capacity

Why Do 2020 6.7 Cummins Require Oil?

Motor oil is considered the blood of the engine. So, it is clear that humans will die without blood. Nutrients will be unable to flow around our bodies. Moreover, crucial biological functions will stop.

The functionality of motor oil is significant for any engine, and 6.7 Cummins is also no exception. Engine components are made of metal. These components get clogged when dust, dirt, and deposits build up.

Engine oil prevents the formation of dust and dirt in different moving parts of the 6.7 Cummins. Moreover, friction between the engine parts is common. Due to the friction, engine parts wear down frequently, causing costly repairs. Oil provides necessary lubrication to the engine components, preventing metal-to-metal conflict effectively.

Therefore, it is significantly important to use the manufacturer’s recommended oil. Also, make sure that you refilled the engine with the correct capacity.

What is 2020 6.7 Cummins Oil Capacity with Filters?

The maximum oil capacity of 2020 6.7 Cummins with filters is 12 qt. After draining the old motor oil, you will need to refill the engine with 12 qt. of engine oil. Roughly 1 qt. of oil is required for the oil filter, and you must keep this information in mind.

Another remarkable note is when the 2020 6.7 Cummins user drains the oil in the collection pan, there will be less than 12 qt. Burning oil is the prime reason behind this. Moreover, the oil leak is another reason.

If you find a large discrepancy between the required oil capacity and collected drained oil, severe leaks could occur.

What is 2020 6.7 Cummins Oil Capacity Without Filters?

As stated earlier, oil filters take approximately 1 qt. of motor oil. So, 2020 6.7 Cummins oil capacity without filters is 11 qt.

Oil filters collect debris, dust, and deposits of the oil. So, it requires cleaning when changing engine oil. This component supports the engine to perform efficiently on the road.

What is 2020 6.7 Cummins Oil Capacity in Liters?

I completely understand that; some people are uncomfortable with certain measurement units. So, oil capacity in qt. may not make too much sense to them. For this, I calculated the oil capacity in liters instead of quarts.

The 2020 6.7 Cummins oil capacity is 11.4 liters. So, you will have to buy 2 bottles of 5 liters.

What is 2020 6.7 Cummins Oil Capacity in Gallons?

Are you familiar with the measurement “gallon?” Happily, I backed you.

The maximum oil capacity of 2020 6.7 Cummins is 3 gallons.

However, one crucial factor to remember is always to read your car owner’s manual to learn the 2020 6.7 Cummins oil capacity.

How Do You Change Oil in 2020 6.7 Cummins?

With some basic automotive knowledge, you can easily change the oil. However, if you are not confident enough, visit a mechanic shop.

You will love that I shared the 2020 6.7 Cummins oil-changing process in this section. Moreover, carefully read the instructions shared in the manufacturer manual to learn the oil change warning light reset procedure.

Required Items:

  • Safety hand gloves
  • Ratchet wrench – 14mm
  • Oil pan
  • Oil Filter (New)
  • An ideal car Jack
  • Wheel blocks

Step 01: Find the Oil Drain Plug

Before heading to the oil change process, you will need to know the exact location of the oil drain plug of the 2020 6.7 Cummins. You will find it under the car and generally closer to the front.

Step 02: Block the Rear Wheels

Remember to block the rear wheels using blocks. Thus, you are making sure that the vehicle is not rolling back when working.

Step 03: Lift the Car with a Jack Stand

Now, raise the front of your vehicle, taking help from a jack stand. Choose a jack stand that can lift a minimum of 75% of your entire vehicle weight without hassle. Precautions must be taken seriously to keep yourself safe while working under heavy machinery like a car.

Step 04: Wear Safety Gears

Put on safety hand gloves. Also, place the oil collection pan directly under the oil drain plug. Thus, the oil will be caught by the pan easily. Now, use the ratchet wrench (14mm) to unfasten the drain plug.

Step 05: Drain Old Oil

Once the drain plug is removed, the old oil will start draining. The draining process may take 5 – 10 minutes. Then install the new oil filter by replacing the oil plug.

Step 06: Refill the Oil Tank

Next, the vehicle hood needs to be lifted, and find the oil tank. Open the tank and refill it following the suitable oil capacity with the correct oil type as per the manufacturer’s recommendation. A funnel will help you refill the oil reservoir without creating a mess.

Facing trouble choosing the right oil for your 2020 6.7 Cummins? Cummins factory specifically recommends Castrol Edge 5W-40 Full synthetic motor oil. This oil type helps the engine perform efficiently at extreme pressure and high temperature.

Step 07: Check the Oil Level

Now, it is vital to check the engine oil level after refilling. Get a dipstick and check the oil level. If the oil level doesn’t meet the requirement of the engine capacity, pour some more oil to fill up the requirement. Don’t pour too much or too little oil; maintaining a correct level is mandatory.

Step 08: Clean the Spilled Oil

Use a soft cloth to clean the spilled oil. Then replace the engine cap and shut the hood off.

Step 09: Turn the Engine On

Finally, remove the wheel blocks and get into your car. Turn the engine on. Give the car a few minutes to warm up. I believe engine noise is reduced.


1. What is the oil changing interval of 2020 6.7 Cummins?

According to the user manual, change 2020 6.7 Cummins oil every 15,000 miles. However, it depends on your driving habits and the temperature of your living place. For instance, some users change the oil every 3,500 – 5,000 miles. While others maintain an oil change routine every 7,500 – 10,000 miles.

2. What is the recommended oil type for 2020 6.7 Cummins?

You can choose any brand of oil for your 2020 6.7 Cummins. Also, based on the temperature, it would be best to select synthetic oil with the required viscosity rating based on temperature. Here is a list for you,

TemperatureRequired Viscosity Rating
Freezing (less than -40°C)5W-40

3. Why is synthetic oil recommended for 2020 6.7 Cummins?

Synthetic oil gives a lot of advantages to a 2020 6.7 Cummins.

  • The excellent temperature at low and high temperature
  • Improves the fuel economy
  • Minimizes regular wear and tear
  • Extends engine life
  • Reduces emissions

4. Can correct oil capacity prevent 2020 6.7 Cummins engine problems?

Undoubtedly, yes. The 2020 6.7 Cummins will show less engine damage with the suitable oil capacity. Moreover, your engine will become fuel-efficient. At the same time, the engine will start without trouble, regardless of the temperature.


Reading the user manual, you can easily find the 2020 6.7 Cummins oil capacity. Manufacturers also recommend replacing the oil filter while changing the old oil. This way, the engine can perform with its maximum effectiveness.

At the same time, changing the oil following the correct process is significantly crucial. The good news is that I shared the step-by-step process of an oil change for your convenience.

Dan Jones is a car enthusiast and has been involved in the automotive industry for the last 10 years. He has a practical knowledge of vehicles and vehicle parts. Besides, he spends most of his time in the garage and deals with various car problems.