These additives are mixed into the oil to prolong the life of your ... but the main ones are to neutralize acids and clean. Diesel engines create a great deal more soot and combustion byproducts.

Since diesel engines are larger on average and create more gunk in general operation, their oil has a greater concentration of the relevant additives to prevent issues. Another difference is how ...

Engine oil provides cooling, cleaning ... is only one aspect of a heavy duty diesel engine oil. There is a complex mixture of various performance additives, coupled with select lubricant stocks ...