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Old 06-02-2010, 09:02 PM   #1
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Hitch Ball Torque

Getting ready to transfer everything over to my new hitch head. I have heard that a 2 5/16" ball with a 1 1/4" shank needs to be torqued to 450 ft lbs. Is this true? I don't want my ball coming loose gong down the road.

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Old 08-15-2013, 10:54 AM   #2
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When in doubt, torque it down until it starts smoking and then back off a half turn.
Just be sure and use a new lock washer.

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Old 08-15-2013, 01:21 PM   #3
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I have a 3/4" drive socket set. I put the socket and breaker bar on the nut--------- and then put a 4' pipe on the breaker bar and put my 'girlish' 240+ lbs arse on that.

I don't see it ever coming loose. :wink:
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Old 08-15-2013, 02:39 PM   #4
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I tighten down until new lock washer is compressed flat. No problems after 9,000 miles

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Old 08-15-2013, 07:01 PM   #5
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From our friends at E-Trailer....



get out the gorilla bar....

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Old 08-15-2013, 09:05 PM   #6
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Forget about what you "heard" or what anybody on this forum says/thinks the correct torque should be. It is YOUR responsibility to know the correct torque. Very easy to determine -- at the very least, you could contact the hitch mnfr (Reese?) or find the online install directions for your hitch. Assuming that it is 450ft-lbs, I don't recommend the guesstimate method that uses a breaker bar. Instead, I would suggest that you find a Reese dealer (or an RV dealer) in your area and simply ask the shop to correctly tighten the ball to the hitch (which shouldn't cost more than $25). The shop will most likely will use an air impact wrench, which is way better than a breaker bar. Even better, however, is if the shop employs a torque wrench (eg. 600 ft-lb torque wrench).
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Old 08-16-2013, 04:57 AM   #7
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You can't tighten a nut down to a specific torque value with an impact wrench any more than you can apply a specific pressure with a sledge hammer. Put blue loctite on the threads along with a fresh lock washer and tighten it up with a cheater bar on your 24" adjustable wrench. It's not the landing gear on the space shuttle.
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Old 08-16-2013, 06:06 AM   #8
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I use a 15" crescent wrench on all of my hitch balls and tighten as tight as I can get it while sitting down and really pulling on it.

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Old 08-16-2013, 06:27 AM   #9
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450ft/lbs according to the Reese instructions. Use some locktite, get it as tight as you can, and you should be good to go for as long as you own the hitch.
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Old 08-16-2013, 08:11 AM   #10
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Generally a 7500# 2" ball requires 250# torque and the 2 5/16 with 1 1/4 shank require 450. But it is your responsibility to learn what the manufacturer of your equipment recommends. When you have that information go to a shop that has the proper tools to do the job.

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