Toyota 4Runner: Selecting trailer ball

Use the correct trailer ball for your application.

1. Trailer ball load rating Matches or exceeds the gross trailer weight rating of the trailer.

2. Ball diameter Matches the size of the trailer coupler. Most couplers are stamped with the required trailer ball size.

3. Shank length Protrudes beyond the bottom of the lock washer and nut by at least 2 threads.

4. Shank diameter Matches the ball mount hole diameter size.

Positions for towing hitch receiver and hitch ball

1. Weight carrying ball position:

50.1 in. (1272 mm)

2. Hitch receiver pin hole position:

43.7 in. (1109 mm)