Since these engines combust at much higher compression ratio than gasoline engines, the oil used in the motor has to be able to withstand tremendous forces, usually of 40,000 to 50,000 psi. Most newer diesel engines will recommend 15W-40 because it is heavier and thicker.
What is the best oil to use in a diesel engine?
Shell Rotella T6 Heavy Duty Diesel Synthetic Oil
The Shell Rotella T6 is probably the best and most popular synthetic oil for diesel engines. They claim that it can handle multiple kinds of driving conditions, and is good for both low and high-temperature protection.
Does a diesel engine need special oil?
Just like regular gasoline engines, diesel engines require regular maintenance that involves changing the lubricating oil that keeps your vehicle’s parts running smoothly. … This job requires lubricating oil that’s specially designed for diesel engines — not gasoline engines.
Is diesel oil the same as regular oil?
Emissions and the Catalytic Converter
Therein lies the first major difference between the oils. Diesel engine oils have a higher anti-wear (AW) load in the form of zinc dialkyldithiophosphate (ZDDP). … This is one of the main reasons you don’t want to use a diesel engine oil in your gasoline engine.
Can I put 5w30 in a diesel engine?
5w30 motor oil’s ability to function in a large variety of engine types and under a wide range of temperature conditions makes it incredibly versatile. Whether you have a light-duty petrol or diesel engine, 5w30 is often the suggested motor oil to use because it flows more easily in winter temperatures.
Can you put normal oil in a diesel engine?
Petrol engine oils can be used in diesel engines if the oil meets the minimum requirements specified by the manufacturer for that particular engine.
Is 15W40 for diesel only?
15w40 is typically used in diesel engines. Diesel engine formulated oil will have additives not required in gasoline engines …but that’s not necessarily bad.
Can I use 10w30 in diesel engine?
So the diesel engine will be able to start more easily at a very cold temperature of -25°C with the SAE 10W-30 oil. The hot running oil shear points will be the same. It would actually make more sense to run 5W-40 in a diesel engine.
Can you put 10w40 in a diesel engine?
Premium Protection 10W-40 Synthetic Motor Oil. For use in both gasoline and diesel engines. … Ideal for applications where the extra protection of a higher-viscosity oil is desired. Excellent for motor homes and older vehicles, as well as many types of modern equipment and compatible with some motorcycles.
What should I look for in diesel oil?
The viscosity grade is one of the most important factors in selecting the right diesel motor oil. Several factors are figured into the viscosity of a vehicle. Diesel engines are commonly rated between 15W-40 and 5W-40.
Can I use 15w40 instead of 5w30?
5w30 flows better than 15w40. 5w30 provides best cold start properties. Using 15w40 instead of 5w30 will increase your fuel consumption because of more load on your engine’s crank. No, you won’t blow a head gasket, but 15W40 is too heavy an oil to use where 5W30 is required.
Can I use 15w40 instead of 10w30?
Always use the viscosity oil that’s recommended. Now sometimes they may indicate that if you live in a warm climate you can should use a 15w40 or if you are in a cold climate to go with a 10w30. The lower the numbers the thinner the oil. Short answer: Yes.
Can I use 5W30 instead of 0w16?
A 5W-30 (being thicker) will naturally achieve a higher HTHS value than a 0W-20 or a 0W-16. A higher HTHS result presumably offers better wear control. A lower HTTS value generally offers better fuel economy. Today’s engines and low HTHS motor oils are designed to achieve dependable wear control and long engine life.