How Many Quarts of Motor Oil Does a Freightliner M2-106 Cummins 6.7 Engine Take?
Updated and reviewed on January 4, 2025 by SearchForParts.com
In this article, we will discuss the M2-106 Freightliner equipped with a Cummins ISB 6.7L engine and the capacity in quarts for each truck by year and model. If you own a Freightliner or have a fleet of them, great choice and a great semi! Although in general, most sources say 12 quarts for the Freightliner M2 106, the best way to check is by searching your engine on the Cummin’s website for the oil capacity. Some sources we have seen say up to 16 or 18 quarts. This is why we strongly recommend you follow the steps below to look up the exact engine you have.
For your convenience, the link is below, and on their site, they provide more information on how to find the number. After looking up the engine please review our line of synthetic oil products for your semi-tractor trailer below. In our experience, searching for a Freightliner’s engine is accurate when you have your engine’s 8-digit serial number which is very helpful and makes this process easy.
Please check your engine’s 8-digit serial number for the owner’s manual to confirm before changing the oil. The 8-digit serial number can be found on the engine’s dataplate which is on the rocker cover or on the side gear housing. Search Your Cummins 6.7 Owner’s Manual Here
You can also search for most Freightliner by year and model by clicking here to see what kind of oil you will need.
We have the best synthetic oil for your Freightliner! Compatible oil is 15W-40. Search the owner’s manual using the link above and look up the capacity and oil viscosity to confirm. We say this because after extensive research, the capacity and/or viscosity may vary and the best way to confirm is by using the ESN or Engine Serial Number and entering it in the Cummins database. Most sources do confirm that 15W-40 is compatible. Made in U.S.A. oil! Our oil is tough as nails! Protect your Freightliner fleet now! Shop a filter and oil below!


