How tight should a trailer hitch ball be?

How tight should a trailer hitch ball be? A little bit of play is acceptable, the coupler should be tight enough that the coupler won’t come off the ball, but not so tight you can’t close the latch.

What should a hitch ball be torqued to? Expert Reply: Curt recommends the use of 250 ft/lbs of torque when tightening the nuts of their hitch balls with a 1 inch diameter shank like the part # C40034 that you referenced. The general rule is for a 3/4″ shank tighten to 150 ft/lbs For a 1″ shank tighten to 250 ft/lbs, and for a 1-1/4 inch shank 450 ft/lbs.