* Diesel engines manufactured before 2007: These engines typically require heavier oil, such as 15W-40 or 20W-50.
* Diesel engines manufactured after 2007: These engines typically require lighter oil, such as 5W-30 or 10W-30.
* Diesel engines operated in cold climates: Diesel engines operated in cold climates (below 32 degrees Fahrenheit) may require a lighter oil, such as 5W-30 or 10W-30, to ensure the oil flows properly when the engine is started.
* Diesel engines operated in hot climates: Diesel engines operated in hot climates (above 90 degrees Fahrenheit) may require a heavier oil, such as 15W-40 or 20W-50, to provide adequate protection for the engine's internal components.
It is crucial to refer to the owner's manual of your specific diesel vehicle for the exact recommended oil weight and consult with a trusted mechanic or the vehicle manufacturer if you have any questions or concerns about selecting the proper oil for your diesel engine.
