WD45 PTO Rebuild Question
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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=49519
Printed Date: 22 Aug 2025 at 3:18pm
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Topic: WD45 PTO Rebuild Question
Posted By: Jeff(WD45-SATX-TN)
Subject: WD45 PTO Rebuild Question
Date Posted: 24 Apr 2012 at 8:38am
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I have the PTO out from under my tractor, going to replace the seals. My questions are around the shims on the output shaft bearing cage. I was able to carefully remove and separate the steel and paper shims. There are two each .010 steel, .005 steel, and .005 paper. One question is on the paper to steel. Should there be a paper shim between each steel shim? Just curious why there was a combination of steel and paper. Are there any tricks to ensure there is a good seal between the new shims?
Thanks
Jeff
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1954 WD45 NF "Iron Tater"
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Replies:
Posted By: Skyhighballoon(MO)
Date Posted: 24 Apr 2012 at 2:13pm
Jeff - I did this to my WD45 last fall. Yes there is a paper shim/gasket between each steel shim. I'm guessing the theory is that the steel to steel shims would leak oil. I put new paper shims/gaskets for any that had fallen apart. I'm happy to report mine does not leak from the bearing retainer or the new shaft seals. Mike
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1981 Gleaner F2 Corn Plus w 13' flex
1968 Gleaner EIII w 10' & 330
1969 180 gas
1965 D17 S-IV gas
1963 D17 S-III gas
1956 WD45 gas NF PS
1956 All-Crop 66 Big Bin
303 wire baler, 716H, 712H mowers
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Posted By: wfmurray
Date Posted: 24 Apr 2012 at 6:02pm
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Number of shims determines tooth contack , To many and gears roar, not enough and gears will whine . Remember helping dad put one a WC and that was in instructions, Ben well over 60 yrs ago .
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Posted By: TramwayGuy
Date Posted: 24 Apr 2012 at 7:49pm
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Actually, the shims are used to set the preload/play on the tapered bearings, not the gear mesh. The shims for gear mesh (if any) would be between the bottom of the torque housting and the PTO gearbox..
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