I'm confused and this has probably been beaten to death but I am not sure which rating engine oil to use in my Kubotas.
Kubota oil in the jug is rated CJ4, Ci4 plus, Ci4,CH4,CF4,CF,CE,CD,CC/SL, SJ. So is Rotella, etc.
Kubota service bulletin says that non-EGR engines can use CF, CF4,CG4, CH4...