Pin box hits bed rail

As was just mentioned, the ball adapter hooked up to your pin box can make the effective length of your pin box either 4 inches longer if the adapter is installed so that the ball socket is forward of the pin, or it can make the effective length 4 inches shorter if the ball socket is positioned behind the pin. When I used the Andersen hitch I had to install it so that the ball socket was aft of the pin or my pin box would hit my bed rails. I had plenty of clearance by turning it around, but it slightly decreased my turning. I couldn't turn quite as sharp without risk of hitting the front of the trailer into the back window of the cab. This isn't an issue if you have a long bed truck.