https://jdparts.deere.com/partsmkt/document/english/featbene/DKD1801OilGuide.pdf
"JDQ-78X is the most severe diesel engine test for high-temperature oil oxidation in the industry."
Anyone here taken much of a look at this (page 2 of brochure)? If anything, I'm impressed that the 10w-30 Plus-50 II also carries this rating.
"JDQ-78X is the most severe diesel engine test for high-temperature oil oxidation in the industry."
Anyone here taken much of a look at this (page 2 of brochure)? If anything, I'm impressed that the 10w-30 Plus-50 II also carries this rating.