Posted 8/29/2025 21:17 (#11348077 - in reply to #11347708) Subject: RE: Is all DEF equal?
Roseglen, North Dakota
Def is def, no matter the price or brand.
It doesn't "go bad"
And engine doesn't use more or less depending on the age of the def.
That is absolutely impossible to measure because you cd never have 2 identical loads for 2 different tanks of def.
Is all DEF equal?
