what is the difference between class 2 and 3 hitch?
Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to 3,500 lbs in GTW and up to 525 lbs in TW. Class III, on the other hand, have a 2 inch receiver and have up to 8,000 lbs GTW and 800 lbs TW.