Table of Contents
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214
4-1. Before driving
Selecting trailer ball
Use the correct trailer ball for your application.
Trailer ball load rating
1
Matches or exceeds the gross
trailer weight rating of the trailer.
Ball diameter
2
Matches the size of the trailer cou-
pler. Most couplers are stamped
with the required trailer ball size.
Trailer class
IV
II and III
I
Shank length
3
Protrudes beyond the bottom of the lock washer and nut by at least 2
threads.
Shank diameter
4
Matches the ball mount hole diameter size.
SIENNA_OM_01999-08001_(U)
Typical trailer ball
size
2 5/16 in.
2 in.
1 7/8 in.
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Table of Contents
Troubleshooting
