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Farrell(Utah) 
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Joined: 11 Sep 2009
Location: Springville, Ut
Points: 517
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 Topic: Darn WD45 Brakes (No Forgiveness)
Posted: 15 Jan 2017 at 3:06pm |
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My favorite tractor is the WD45. However, there is one thing about them that gives me heartburn. I just got a nice 45 that had a bad left brake. Fortunately, the right one could be adjusted. So, I got out my nice tool specially made for removing the hardened pin. Sure enough, it pulls the end right off the pin without even moving it. Now I have no choice but to use the torch to cut a little at a time out of the center of the pin using the vent hole in the bottom of the differential. What a nasty job but luckily the inside of the pin broke loose easily so I could get it out first. I have had this experience to often after these get rusted. I'm not forgiving the person that designed the hardened pin. Thanks for letting me vent a little. I feel better now and will even be better after I get a shower to get all the black stuff off to my face.
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A(1937), 2 G, 2 WD45 diesels, 6 WD45 gas, UC, 2 WD, D17 gas, WF, Farmall 400, D12, Kubota B3030
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Michael Crowe
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Joined: 11 Sep 2009
Location: Kansas City
Points: 1722
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Posted: 15 Jan 2017 at 4:17pm |
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My uncle told me to keep a can of penetrating oil handy at all times and whenever you walked by a WD or WD45 to hit those two brake pins with oil; then when you wanted to do the brake job they would come out. Mine get shots of oil.
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The 14th Annual Exclusive AC Swap Meet will be held in Boonville, MO, March 7-8, 2025. See the club website for details: http://www.moacclub.com/
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Ted J
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Joined: 05 Jul 2010
Location: La Crosse, WI
Points: 18869
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Posted: 15 Jan 2017 at 4:45pm |
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"Allis-Express"
19?? WC / 1941 C / 1952 CA / 1956 WD45 / 1957 WD45 / 1958 D-17
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Farrell(Utah)
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Joined: 11 Sep 2009
Location: Springville, Ut
Points: 517
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Posted: 15 Jan 2017 at 4:49pm |
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Would like to visit with you, but I hope this is the last one I ever do. On further thought, my D17 needs some replaced. Ugh!
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A(1937), 2 G, 2 WD45 diesels, 6 WD45 gas, UC, 2 WD, D17 gas, WF, Farmall 400, D12, Kubota B3030
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Lon(MN)
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Joined: 11 Sep 2009
Location: Merrill Wi
Points: 1988
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Posted: 15 Jan 2017 at 6:06pm |
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Those pins are a bugger. I am on number five revised pin puller and second generation brake drum puller. Have been lucky only two pins had to be cut out. It does help when the tractor is upside down.
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CrestonM
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Joined: 08 Sep 2014
Location: Oklahoma
Points: 8410
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Posted: 15 Jan 2017 at 6:39pm |
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I'm no expert, and I've never been around a WD/WD45/D17 brake system, but how hard would it be to tap the pin, thread a bolt into it, and pull the pin that way? I know it's hardened, so that may rule that option out.
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Farrell(Utah)
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Joined: 11 Sep 2009
Location: Springville, Ut
Points: 517
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Posted: 15 Jan 2017 at 6:46pm |
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My puller applies a lot of pressure. Maybe others have done it but I don't think you could drill into that hardened pin to tap it.
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A(1937), 2 G, 2 WD45 diesels, 6 WD45 gas, UC, 2 WD, D17 gas, WF, Farmall 400, D12, Kubota B3030
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TomMN
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Joined: 13 Sep 2009
Location: Elbow Lake, MN
Points: 858
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Posted: 15 Jan 2017 at 9:19pm |
The original pins aren't hardened, I was able to sit under mine and drill it with a hand drill then tap it and put the puller on it again. The puller did it after that, here is a picture of the puller with a bolt screwed into the pin. I remember the puller put a deep impression of the bolt head into the washer. 
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corbinstein
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Joined: 31 Jul 2014
Location: Oklahoma
Points: 796
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Posted: 16 Jan 2017 at 7:25am |
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I weld a shortened slide hammer onto mine and start banging..... works but makes one's hands and arms hurt after a few minutes.
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WD45Diesel57
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Joined: 20 Jul 2010
Location: Varna, Ont. Can
Points: 646
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Posted: 16 Jan 2017 at 7:27am |
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where do you purchase one of these pullers, I have several tractors that it may come in handy some day!!
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1-B's, 2-C, 2-CA's,2-WF, 1-WC,1-G, 3-WD's, 2-WD45, 1-RC, 1-D17 Diesel, 1-D14, 2-D15,1-D17 row crop,1-D19 gas and All Crop 40,60,66,72,90 and 100
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IBWD MIke
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Joined: 08 Apr 2012
Location: Newton Ia.
Points: 3842
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Posted: 16 Jan 2017 at 10:40am |
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I did a brake job on my narrow front 45 last fall. I did like Michael said and strayed the pins with 'deep-creep' when ever I thought about it for over a year. My home made puller pulled them right out. It was not a fun job but is really nice to have a left brake (and a right).
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Farrell(Utah)
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Joined: 11 Sep 2009
Location: Springville, Ut
Points: 517
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Posted: 16 Jan 2017 at 10:53am |
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Tom, you have a good idea. I guess that I had just assumed these pins are hardened as I can never get anything to grip them like a regular bolt. I'll try your approach next time I pull the end off the pin with my puller that is identical to yours. Thanks.
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A(1937), 2 G, 2 WD45 diesels, 6 WD45 gas, UC, 2 WD, D17 gas, WF, Farmall 400, D12, Kubota B3030
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IBWD MIke
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Joined: 08 Apr 2012
Location: Newton Ia.
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Posted: 16 Jan 2017 at 11:01am |
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If the pins are case hardened once you get through the case they would tap easily.
I just checked one I have out of the tractor with a file, they are definitely hard.
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TomMN
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Joined: 13 Sep 2009
Location: Elbow Lake, MN
Points: 858
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Posted: 16 Jan 2017 at 11:49am |
I suppose then maybe after the end was pulled off the softer material is what I drilled into, I do know it worked. Here is a link to where the puller can be obtained:
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j.w.freck
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Joined: 16 Sep 2009
Location: karnack texas
Points: 1153
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Posted: 16 Jan 2017 at 11:14pm |
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if you have access to a plasma cutter,that works lot better than a cutting torch.not near the heat in a confined area.used mine several times on those brake pins.....
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