Originally Posted by polarlyse
BEWARE. Previous owners may have installed a new/updated hitch that requires a different size ball. If in doubt, they are cheap enough to bring one of each size. Just in case
I think this post refers to coupler size, not the hitch. It is possible the owner changed the coupler, but not likely. That being said it is not a bad idea to bring a 2 and a 2 5/16" ball. Make sure the shank of the ball is correct for the drawbar. Please don't ask the reason I make this suggestion.