CAT D399 NO FURTHER A MYSTERY

Use CAT TO-4 transmission fluid, SAE thirty, while in the Powershift. It charges only a bit more compared to the CAT TO-2 spec fluids you will get at the auto parts retail store, and it may lengthen the lifetime of the clutches during the Powershift.i just purchest a d3b & hold the very same trouble with theleft pedal sticking i will try oil to-mor