Toyota Lexusc Owner's Handbook Manual page 554

Trailer ball
Follow these easy steps to properly determine the correct
trailer ball for your application:
1. Determine the correct trailer ball size for the trailer coupler.
Most couplers are stamped with the required trailer ball size.
The sizes you will most likely find stamped on the coupler are:
Trailer class Typical Trailer Ball Size
III
II
I
2. Select the appropriate trailer ball to match or exceed the
gross trailer weight rating of the trailer. The trailer ball load
rating should be printed on the top of the ball.
2 5/16 in.
2 in.
1 7/8 in.
"
1 Trailer ball load rating
2 Ball diameter
3 Shank length
Shank diameter
4
DRIVING TIPS
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