The engine oil capacity for a Freightliner Cascadia can vary based on the model and emission standards. The Engine Oil Type & Capacity chart provided below adheres to the recommendations outlined in the Freightliner Cascadia owner’s manual.

Choosing the correct engine oil for your Freightliner Cascadia is vital as it significantly impacts engine performance and safeguarding. The optimal oil for an Freightliner Cascadia should meet or exceed the precise oil specifications prescribed by Freightliner for your specific engine type.

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When To Change Freightliner Cascadia’s Engine Oil?

Keeping an eye on your Cascadia’s oil is crucial for its proper functioning. Here are some signs that might indicate it’s time for an oil change:

1. Oil Degradation:
Look out for signs like engine noise or decreased performance. These can be indicators that the oil is losing its effectiveness and needs replacing.

2. Illuminated Warning Lights: Check for any alerts in Freightliner Cascadia’s dashboard console like high engine oil temperature, or low engine oil pressure. These can signal the need for an engine oil change or top-up.

3. Leakage:
If you spot oil leaks under your truck or notice the oil levels dropping faster than normal, it’s wise to conduct an inspection. This might indicate the need for an oil change or topping up the oil level if it’s low.

4. Scheduled oil change:
Regular oil changes at specific intervals or mileage, whichever occurs first, are crucial. Following the guidelines outlined in the Freightliner Cascadia owner’s manual ensures timely and effective maintenance. Always refer to the manual for precise details on when to schedule your oil changes.

How much oil and what type of oil does the Freightliner Cascadia engine require?

The oil capacity and type for the Freightliner Cascadia engine depend on the specific model of the Detroit Diesel DD series engine installed and the emission standard it adheres to. The Freightliner typically utilizes DD13, DD15, DD16 and Cummins engine series[1].

We have compiled the engine oil capacity for DD series engines across all models and emission standards. You can find detailed information in our article about the Detroit Diesel DD series Engine Oil Capacity.

Read more about: Detroit Diesel DD series Engine Oil Capacity.

Below is a table detailing emission standard for each model of the DD series engine, categorized by the corresponding Freightliner Cascadia emission standard:

YearFreightliner Cascadia Emission StandardDD Series Emission Standard
2007-2009EPA 07EPA07
2013-2015EPA10, GHG14GHG14
2016-2020EPA10, GHG17GHG17
2021-PresentEPA10, GHG21GHG21
Emission Regulations by Model Year [2]

Please refer to the specific table for the corresponding model year and emission standard to determine the engine oil capacity and type for your Freightliner Cascadia.


1. Freightliner Cascadia Engine: Freightliner Cascadia Wikipedia

2. Freightliner Cascadia Driver Manual, PN-10: Freightliner Cascadia Emission Regulation By Model Year.

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