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harmonic balancer in 426
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mike-mn View Drop Down
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Joined: 12 Sep 2009
Points: 80 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mike-mn Quote  Post ReplyReply Direct Link To This Post Topic: harmonic balancer in 426
    Posted: 25 Jun 2021 at 8:54am
I was putting mine with an impact and had not read the shop manual or any posts here before I did it.  I ended up cracking it.  Lessons are expensive at times.  Should I get a used one or bite the bullet and go new?
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orangepeeler View Drop Down
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Joined: 07 Dec 2009
Location: WC IA
Points: 46 		Post Options Post Options   Thanks (0) Thanks(0)   Quote orangepeeler Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jun 2021 at 9:36am
go new. It was probably ready for a new one anyway.
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PaulB View Drop Down
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
Points: 4408 		Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jun 2021 at 10:56am
Why not go all the way and get a Fluid Damper? You'll be amazed at the difference even though you didn't see a problem before. 
If it was fun to pull in LOW gear, I could have a John Deere.
If you can't make it GO... make it SHINY
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mike-mn View Drop Down
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Joined: 12 Sep 2009
Points: 80 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mike-mn Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jun 2021 at 11:01am
I'm not familiar with them.  Where would I get one.  I'm waiting for the dealer to get back to me now.
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randy View Drop Down
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Joined: 12 Sep 2009
Location: Illinois
Points: 1177 		Post Options Post Options   Thanks (0) Thanks(0)   Quote randy Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jun 2021 at 12:38pm
I googled fluid dampner a few years ago and found a dealer for one. Around $400. probably higher by now.
CA WD WD45 D17 D17 Diesel 7060 8050 8070
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 7981 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jun 2021 at 1:15pm
Originally posted by randy randy wrote:

I googled fluid dampner a few years ago and found a dealer for one. Around $400. probably higher by now.
...add $1000 to that price....
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 19505 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jun 2021 at 3:06pm
A viscous type damper (fluid) requires a different hub to go on the crankshaft first. Two parts, not one.  Same as a 7080-7580 8070/4W220   N-5-6/R-5-6.
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randy View Drop Down
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Joined: 12 Sep 2009
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Points: 1177 		Post Options Post Options   Thanks (0) Thanks(0)   Quote randy Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jun 2021 at 6:28pm
It was less than $500 for sure. I took the name off a fluid one and googled it and the company sent me to one of there dealers. Not an Ag dealer.
AGCO was $1500 for one
CA WD WD45 D17 D17 Diesel 7060 8050 8070
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 7981 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jun 2021 at 10:12pm
The one on my 8070 is made by Stahl Inc. Memphis Tn. No such place on google today. Vibratech says they have one for a 4-71 Detroit that fits an Allis but didn't know which one.
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Farmerjim View Drop Down
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Joined: 02 Jan 2016
Location: Sharon Wi
Points: 12 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Farmerjim Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jun 2021 at 9:31am
I put a harmonic balancer off a 8070 on a 7060 crank and after 300 hrs it broke the crank , had crank and block through shop first before over haul. Then had a guy tell me shouldn’t miss match cranks with different pulleys?
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 7981 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jun 2021 at 9:53am
Originally posted by Farmerjim Farmerjim wrote:

I put a harmonic balancer off a 8070 on a 7060 crank and after 300 hrs it broke the crank , had crank and block through shop first before over haul. Then had a guy tell me shouldn’t miss match cranks with different pulleys?
Would like to know if your crank was reground before breaking. Too many stories of grinders not following recommended procedure causing later failures.
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Joined: 02 Jan 2016
Location: Sharon Wi
Points: 12 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Farmerjim Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jun 2021 at 1:06pm
I did have the crank ground to 10-10 before overhauled. I got an 8070 crank this time n ground to 10-10 also different shop though , I hope my harmonic balancer is ok I’m told no real way to check them.
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Joined: 03 Mar 2018
Location: Greenleaf, WI
Points: 608 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Boss Man Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jun 2021 at 1:20pm
If the shop grinding the crank doesn't chamfer/radius the journals right they will break. Not just Allis, Deere's will too
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Joined: 19 Jan 2010
Location: Northern NY
Points: 11204 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TramwayGuy Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jun 2021 at 1:59pm
“ If the shop grinding the crank doesn't chamfer/radius the journals right they will break. Not just Allis, Deere's will too.”

And so will just about every other make.
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 7981 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jun 2021 at 2:30pm
Shop manual says the radius is to be shot peened and tells size of peen balls etc...it is very specific as to what they require. Doub't most grinders can or will do as book says.
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