3 1/2 pints should fill it.
Depends on which differential you have but in most cases 4 to 5 pints should fill it.
75w90 gear oil.
80W90 gear oil.
Aprox 4 pints in the rear differential.
There are no "grease" points on the rear axle. The gear oil is checked and filled through the plug in the differential cover.There are no "grease" points on the rear axle. The gear oil is checked and filled through the plug in the differential cover.
The only place you would use gear oil is in the rear differential and or front differential if it is a 4+4. The differentials have a fill plug.
80w-90
If you are asking about the rear differential, It is - SAE 75W90 synthetic gear oil The front is -SAE 80W90 GL-5 gear oil
90 W Gear oil
SAE 75W90 synthetic gear oil.
If by "rear gear" you mean the differential, that joins the driveshaft to the rear axle: If run without sufficient oil it will overheat and eventually be ruined. Ordinarily the rear differential oil seldom needs changing, as unlike engine oil it does not have combustion byproducts constantly contaminating it. If however you drive through floodwaters, water can enter through the vent, which will ruin the differential oil. If you run through flooded water you should have the differential oil changed.
90 weight gear oil