What Size Hitch Do I Need For A Boat?
What Size Hitch Do I Need For A Boat? The most common size trailer hitch ball is the 2-inch diameter ball. The 2-inch ball is used on a variety of popular trailers, such as boat trailers, utility trailers and campers. 2-inch trailer balls have a wide weight capacity range from 3,500 pounds to 12,000 pounds