for as small as your tractor's ft axle capacity, you could always use full syn 75/90 hypoid gear oil. Mobile & Vavoline have good ones.... now for your tranny & hyd, if it's hst, i'd stay w/K udt2 or above above, etc.
the syn 75/90 for ft axle will give you added benefit esp @ your location over conventional 80/90, & ensure the axle vent is working...regards
the syn 75/90 for ft axle will give you added benefit esp @ your location over conventional 80/90, & ensure the axle vent is working...regards