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John Deere Tractors Discussion Forum
Show Parts for Model:

Probably a stupid drawbar question

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phess11

05-19-2014 07:05:56
70.39.176.36



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I notice in the manuals that John Deere always depicts the drawbar with the curve up. Yet, I almost always see the curve down on actual tractors. Why do people change it. Does it make that much difference?




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phess11

05-20-2014 04:47:41
70.39.176.140



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 Re: Probably a stupid drawbar question in reply to phess11, 05-19-2014 07:05:56  
Thanks for all the information. I never realized how much there is to know about the drawbar.

Thanks again,

phil



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Tom OConnor

05-19-2014 20:56:11
71.205.213.241



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 Re: Probably a stupid drawbar question in reply to phess11, 05-19-2014 07:05:56  
This is not a stupid question by any means. It is one of the most important adjustments you can make to enhance the performance of a tractor and to save on repair costs. In most all implement manuals their will be a section on the proper way to position the drawbar. Years ago many implements were pulled at there working depth for the entire field and it was very important to let the drawbar swing as to make turning in loose soil easier and to give the hitch a little more room before the tire got to the radius rods to the clevis. More modern times the offset was needed for proper alignment for PTO work and length adjustment was also added for different implements. You can always find the measurement for the draw pin below and behind the end of the pto shaft in these manuals. Also be aware that 1000 and 540 rpm pto equipment the settings will sometimes be different especially in the length adjustment. For an example a modern day grain cart will have you shorten up the drawbar to minimize the stress the drawbar has to take with such a tremendous weight that gets transfered to the rear of the tractor.
You want to be very sure that when the tractor and implement goes through a dip that the PTO shaft has plenty of room to telescope freely without bottoming out and it also has plenty of lap when going over a hump. I heard a air traffic controller once say he would much rather be asked a dumb question than have somebody make a dumb mistake. Good question and I hope this helps. Tom

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Ken11487

05-19-2014 19:19:23
173.246.154.89



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 Re: Probably a stupid drawbar question in reply to phess11, 05-19-2014 07:05:56  
I have mine in the up position for pulling my 7000 planter level and for more pull with wagons. Must be down for pto work.



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41B-boy

05-19-2014 12:54:54
172.242.252.133



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 Re: Probably a stupid drawbar question in reply to phess11, 05-19-2014 07:05:56  
Thanks for asking the "stupid" question; because you did I lern't some things I didn't know.
Bob



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phess11

05-19-2014 13:11:32
70.39.176.140



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 Re: Probably a stupid drawbar question in reply to 41B-boy, 05-19-2014 12:54:54  
My Pleasure!!! I am sure i will have a lot more!! :oops: :D



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ET

05-19-2014 11:53:06
134.179.104.127



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 Re: Probably a stupid drawbar question in reply to phess11, 05-19-2014 07:05:56  
Implements like grain drills and hay rakes often have a recomended hitch hight. Then there is the pto thing.



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Mike Aylward

05-19-2014 07:23:24
209.152.135.126



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 Re: Probably a stupid drawbar question in reply to phess11, 05-19-2014 07:05:56  
It's a good question. For plowing you want the drawbar in the upper position for traction. For other drawbar jobs it will depend on the geometry of the implement. For PTO jobs you will want the drawbar in the down position (and extended the proper amount as well). Mike



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Brendon Warren

05-19-2014 07:20:44
70.209.134.99



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 Re: Probably a stupid drawbar question in reply to phess11, 05-19-2014 07:05:56  
It also helps to get the right height to keep U-joints in the PTO shaft in line.



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Mike M

05-19-2014 07:17:44
24.140.0.120



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 Re: Probably a stupid drawbar question in reply to phess11, 05-19-2014 07:05:56  
It will make a big difference but it also depends on what you are pulling and the field conditions. For instance. I hooked my 1946 A no weights and pressed steel wheels on a 2 bottom plow. Was clawing around for traction. Flipped the drawbar over to the high position so it pulls down on rear of tractor more and away I went !



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phess11

05-19-2014 07:20:40
70.39.176.36



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 Re: Probably a stupid drawbar question in reply to Mike M, 05-19-2014 07:17:44  
I see the advantage of it higher. So i guess I don't see why you wouldn't want it that way all the time.



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donmyeil

05-19-2014 07:13:00
74.32.244.144



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 Re: Probably a stupid drawbar question in reply to phess11, 05-19-2014 07:05:56  
My uneducated 2 cents is with the curve up it would add more traction to rear wheels under a heavy load .



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