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15w means they are the viscosity (flow) when the oil is cold, the -30 and -40 is the viscosity of the oil when hot. Therefore the 15w-30 being the lower Viscosity means it will flow fast then the 15w-40 when the oil is hot.
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What kind of oil gose in an 18 wheeler?
15W30 and 15W40 are commonly used, oil specifically for diesel engines, and API CJ4 requirements for newer trucks.
What is the difference between 10w40 and 15w40 oil?
15 is thicker oil and for bigger engines.
What is the difference between 15w40 and 10w40 motor oil?
15 is thicker oil and for bigger engines.
What is the difference in 20w 40 and 15w40 motor oil?
Only the weight of the oil, 20w 40 is thiker than the 15w40, 20w 40 is the best oil for the old cars although 15w40 is very easier cold start ...
Whats the difference between 10w40 oil and 15w40 oil?
The main difference between 10W-40 oil and 15W-40 oil is that 15W-40 oil has a higher viscosity than 10W-40 oil. 10W-40 oil allows the engine to run freely.
What is the difference between 15w40 and 11w40 oil?
Never heard of 11w40. Would have slightly thinner cold properties that 15w40. Second Opinion: I've never heard of 11w40 either. As far as I know there is no such thing.
What oil is thicker 10w30 or 15w40?
15W40
What oil should you use for diesel truck?
15w30 or 15w40 are common for "all around" usage. Make sure it's oil specifically for diesel engines.... API CJ4 is mandatory if you have a more recent model with Selective Caralytic Reduction, and is compatible with earlier Diesel engines.
What is the Difference in 10w 30 and 15w 40 oil?
15w40 is thicker at all temps vs 10w30.
What is the best grade of oil to use in a 1988 250cc virago?
Rotella 15w30 diesel engine oil
Can you mix 15w40 motorcraft motor oil and mobil 15w40 motor oil for use in a farm tractor?
Yes, you can mix conventional oil with synthetic oil with no problem.
Oil capacity for 2003 international dt466?
It takes 15 quarts of 15W40 diesel oil I highly recommend Rotella 15W40
