1. What is the max toung weight of the reciver hitch and what class is it?

2. Anyone know the rear differental gear size.

3

If you have the Big Tow package (class IV) the maximum tongue weight is 910 pounds, maximum trailer load of 9,100 pounds. If you don't have the Big Tow package maximums are 650 and 6500. If you mean the ratio when you say "gear size" the ratio for the Big Tow is 3.357, without it is 2.937.

thanks that is what i need.

What size is the hitch receiver....2"?

What size is the hitch receiver....2"?
Yes, it is 2".