The pumpkins should swap. I vaguely remember something about splines. The 3/4 tons used an HO52 and the 1 ton an HO72. You should find model, ratio, etc., stamped in the axle housing to the left of the pumpkin. This question comes up often, so do a search for Eaton and see what comes up.

Larry


I don't own a vehicle that isn't old enough to drink.