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Farmall & IHC Tractors Discussion Forum
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706 Rear-end noise

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Max Adams

10-05-2007 07:57:53




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Alright you guys, here"s one for you. Got my 706 going, all painted up and looking good. Decided to move it from the old place to the new place, and while driving it a noise developed. It sounded like pistons were swapping places. So pulled it over and it was not the engine, but a noise coming from the left side of the rear-end. Before I bouth the tractor it had been sitting in a fence row. Someone had robbed the duel pto and put in place the single pto. I feel they put the single in place to seal up the rear-end. Is it possible that they didn"t hook the shaft up or ? I have not looked into this yet myself. Just thought I"d pose the question and see what you guys had to say. You"ve been real good in the past with these things. Thank you much and God Bless.
Max

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Max Adams

10-05-2007 18:31:04




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 Re: 706 Rear-end noise in reply to Max Adams, 10-05-2007 07:57:53  
Thanks for all your replies. Maybe I should have added more info. The noise started half way to the house, but stopped after nearly 5 miles. It would do it when it was moving or sitting still. No loose hubs, no clamps loose, etc. The tractor moves fine, brakes work fine, etc., but pto does not work, engaged or not, which led me to believe that it may have been the internal shaft. Let me know what you think, and as always, thank you very much. God Bless.
Max

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Randy in NE

10-05-2007 10:25:04




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 Re: 706 Rear-end noise in reply to Max Adams, 10-05-2007 07:57:53  
It could be the pto like you think but I would think that the pto wouldn't cause much noise unless you engaged the pto. It could be something as simple as the axle clamp bolts not being tight. You might want to take a big wrench/socket and check them. Check both sides and maybe jack the tire off the ground so that you can spin the wheel and check for tightness at several different positions. If it has been sitting for a long time there is always the possiblity of a bearing going out on the axle. It isn't fun but it would probably be cheaper in the long run to start taking things apart to see what is in there.

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Owen Aaland

10-05-2007 12:03:43




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 Re: 706 Rear-end noise in reply to Randy in NE, 10-05-2007 10:25:04  
If the PTO drive shaft were not installed correctly, the noise would be present whenever the engine was running. Drive train noises appear only when the tractor is moving.

If you do not find a loose wheel or hub, jack up a wheel and spin it, listening for any unusual noise. Compare the noise between the sides. Gear noise cab usually be picked up at slow speeds, bearing noises at higher RPMs. Since you did not hear it until you moved it a higher speeds, I wouls expect a bearing problem.

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Randy in NE

10-05-2007 10:35:30




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 Re: 706 Rear-end noise in reply to Randy in NE, 10-05-2007 10:25:04  
Sorry about the double post. I don't like the way this forum lets you post the same response twice. I never had this issue until I registered my handle a couple of months ago. Before it would tell me that I had already posted a response, now it just goes ahead and posts the second on.



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Randy in NE

10-05-2007 10:24:35




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 Re: 706 Rear-end noise in reply to Max Adams, 10-05-2007 07:57:53  
It could be the pto like you think but I would think that the pto wouldn't cause much noise unless you engaged the pto. It could be something as simple as the axle clamp bolts not being tight. You might want to take a big wrench/socket and check them. Check both sides and maybe jack the tire off the ground so that you can spin the wheel and check for tightness at several different positions. If it has been sitting for a long time there is always the possiblity of a bearing going out on the axle. It isn't fun but it would probably be cheaper in the long run to start taking things apart to see what is in there.

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