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ric44 
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Joined: 13 Jan 2019
Location: west Ky
Points: 35
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 Topic: D17 Series 2 Final Drive
Posted: 05 Mar 2023 at 6:54pm |
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Just traded for this tractor and it runs like a champ with none of trans issues common to these tractors . It does however have gear noise coming from the final drives on both sides . The sound goes away when on a downhill grade . Was wondering if changing the lube and going to a heavier gear oil ( ie 85/140 ) might quiet it down some . I really don’t want to go to the trouble of swapping sides with the gearing . Any advice is appreciated .
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DrAllis
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Joined: 12 Sep 2009
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Posted: 05 Mar 2023 at 7:02pm |
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You think it is final drives, but in all honesty it is probably the ring and pinion under the seat. You can change the oil to whatever you want, but I doubt heavier oil will do anything for noise. This assumes of course, that everything has oil in it now.
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Brian G. NY
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Joined: 12 Sep 2009
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Posted: 06 Mar 2023 at 1:56pm |
The final drives in my D-17 are a bit noisy. I attribute that to it's being used most of it's life by the P.O. pulling a 3 bottom plow on a large farm down in the valley. I replaced the dirty old gear oil (they were not low) with Mobil 1 synthetic with no discernible change. It is most noticeable on the road in 4th gear.
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ric44
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Location: west Ky
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Posted: 06 Mar 2023 at 2:03pm |
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I respect Dr Allis' opinion but I swear that the sound is more pronounced out toward the wheels . Anyway I think I will drain and change to heavier oil in the final drives .
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Skip, W.Pa
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Joined: 09 Dec 2020
Location: Mars Pa.
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Posted: 06 Mar 2023 at 8:12pm |
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It's a little bit of work , go ahead and remove both fenders and take it for a ride . I have been down this path with several D 17's over the years. It is amazing how the fenders will resonate noise. I believe you will then get a handle on where the noise is. While the fenders are off it will give you a chance to do a little rust preventative work.
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Ed (Ont)
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Joined: 08 Nov 2009
Location: New Lowell, Ont
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Posted: 07 Mar 2023 at 12:14pm |
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Most of these final drives are seldom serviced. So changing the oil is good. I think I put 80-90 in my WD45 but 80-140 would work as well. Won't change the sound tho unless it is dry now. Great to clean up both those pans and install new gaskets.
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Dusty MI
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Joined: 13 Sep 2009
Location: Charlotte, Mi
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Posted: 07 Mar 2023 at 1:14pm |
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Could you switch sides/rotate the final drives, which would reverse the gears, use other side of the gears?
Edited by Dusty MI - 07 Mar 2023 at 1:15pm
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917 H, '48 G, '65 D-10 series III "Allis Express"
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SteveM C/IL
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Location: Shelbyville IL
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Posted: 07 Mar 2023 at 8:26pm |
 Dusty MI wrote:
Could you switch sides/rotate the final drives, which would reverse the gears, use other side of the gears?
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that's what I did to my 45. The load side was flaked on the pinions. Replacing the flaking brgs and reversing them quieted them a lot.
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