D 15 3 point sway bar
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Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=183178
Printed Date: 20 May 2025 at 7:10pm Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: D 15 3 point sway bar
Posted By: ACinSC
Subject: D 15 3 point sway bar
Date Posted: 11 Sep 2021 at 9:15am
Is there a rule of thumb on how to adjust this ? It's my understanding that the purpose is to keep the harrow off the rear tires ? My 3 point has chains for the sway bar . THANKS !!
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Replies:
Posted By: PaulB
Date Posted: 11 Sep 2021 at 7:43pm
3pt hitches are not made to be turning with the implement in the ground. Ask Harry Ferguson who designed them. The built in sway is for irregularities. That is why the D15 factory 3pt is basically scrap metal, they are never used as designed. By the time the D17IV came out the engineers figured out how to overcome some of the operator abuse.
------------- If it was fun to pull in LOW gear, I could have a John Deere. Real pullers don't have speed limits. If you can't make it GO... make it SHINY
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Posted By: steve(ill)
Date Posted: 11 Sep 2021 at 8:00pm
sway can be chains, steel links, or bumpers... all serve the same purpose, to keep the 3 point from drifting too far side to side.... couple inches of "free play" is what you want.
------------- Like them all, but love the "B"s.
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Posted By: Dakota Dave
Date Posted: 11 Sep 2021 at 10:29pm
I have chains on my WD 45 I adjusted the chains so I have a little slack when the implement is all the way down. When it's all the way up they keep the implement from swaying far enough to hit the tires. You need a little slack so whatever your pulling can follow naturally behind the tractor. If your implement is pulling hard to the side it's not right and needs adjustment. Most often it's twisted so one side is digging deeper than the other. The only exception for me is the backup snow blower I run it with the chains tight when it's all the way on the ground. I just shorten the chains up 2 links on each side.
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Posted By: DrAllis
Date Posted: 12 Sep 2021 at 8:05am
There is a very good reason why you can buy lower draft arms for Fords and Masseys at the local Farm Supply Store...….it's because they BREAK all the time. Mostly from abuse, yes. But, they are pretty light-duty. A D-15 isn't any better than the Fords or Massey's in that regard.
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Posted By: ACinSC
Date Posted: 12 Sep 2021 at 10:21am
Guess I should've said I have a Cross 3 point on my D 15 , and I always lift the harrow before turning around . Harrow isn't here , should I adjust the chains with a little slack with lift all the way down ? THANKS !!
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Posted By: steve(ill)
Date Posted: 12 Sep 2021 at 2:50pm
Yes, the chains should never be TIGHT . Since the arms travel up and down you will have a loose spot and a snug spot in the chain ... A little SLACK as you said is what you want.. dont put it in a bind.... Swing a couple inches side to side is not a problem.
------------- Like them all, but love the "B"s.
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Posted By: ACinSC
Date Posted: 12 Sep 2021 at 6:59pm
Posted By: Gary
Date Posted: 12 Sep 2021 at 9:05pm
My D-12 III has a Turnbuckle in each of the Sway Chains.
It takes 16 @ 1/2 turns on each Turnbuckle to take up most of the slack.
Gary
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Posted By: ACinSC
Date Posted: 13 Sep 2021 at 4:46am
Thanks Gary , I was thinking about trying a turnbuckle .
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Posted By: Gary Burnett
Date Posted: 13 Sep 2021 at 7:15am
Is there any parts yards in your area go there and find some sway chains,old IH tractors had some heavy arms and chains on them,the ones on my Fiat built tractors have very good adjusters and heavy arms.On the arms you can always weld some bracing flat iron on them.
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Posted By: ACinSC
Date Posted: 13 Sep 2021 at 7:18am
Thanks Gary , I'll check TSC soon and see if they have anything .
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Posted By: Tracy Martin TN
Date Posted: 13 Sep 2021 at 10:08pm
We actually made stabilizer brackets for our D14 30 years ago. Worked great. Tracy
------------- No greater gift than healthy grandkids!
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Posted By: ACinSC
Date Posted: 14 Sep 2021 at 6:29am
Thanks Tracy , I'll figure something out
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Posted By: ACinSC
Date Posted: 14 Sep 2021 at 12:46pm
I added a cold link to each sway chain today . Now I have a little slack with lift arms fully down and no implement . I'll check it again when I hook the harrow/disc up . THANKS !!
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