This premium fully synthetic engine oil is crafted with the highest quality synthetic base stocks and additive systems which provide superior film strength and oxidation resistance as well as exceptional soot and deposit control.
Advances in lubrication technology allow this oil to be utilized in both diesel and gasoline engines in year round operating environments. Racor 15W-40 Synthetic Heavy Duty Engine Oil is constructed with a very high Total Base Number (TBN) of 12 which allows the oil to be neutralize acids that build up as a part of the combustion process. This oil has a 70% higher TBN value than most oils on the market today.