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John Deere Tractors Discussion Forum
Show Parts for Model:

4020 quick hitch?

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clauritzen

08-11-2014 10:32:12
24.220.109.234



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I am wondering if the JD category 3 quick hitch will work on a 4020?




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Tx Jim

08-11-2014 13:21:55
69.35.163.58



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 Re: 4020 quick hitch? in reply to clauritzen, 08-11-2014 10:32:12  
Cat lll quick hitch will be spaced too wide but could be installed on a 4020 BUT the attaching pins will be to large & very difficult to install bushings in the hitch.



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coonie minnie

08-11-2014 10:52:43
50.105.231.170



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 Re: 4020 quick hitch? in reply to clauritzen, 08-11-2014 10:32:12  
It depends on which one you have... the early ones unbolted, and you could reconfigure them as Category II.



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larryanderson

08-12-2014 05:25:26
99.196.155.104



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 Re: 4020 quick hitch? in reply to coonie minnie, 08-11-2014 10:52:43  
JD has bushings that go from CATIII to CATII.Starting with 4440 the 3 pt balls were CAT III.There are many different couplers and some CATII/III you can lower the center and others have a removable third top link.



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Tx Jim

08-12-2014 05:50:02
69.35.163.57



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 Re: 4020 quick hitch? in reply to larryanderson, 08-12-2014 05:25:26  
Larry

The lower attaching hole in a Cat lll QH is 1.434" in diameter and a Cat ll hitch requires 1.110 attaching pin. JD has no bushings that will correctly fit Cat lll QH for Cat ll pins that I'm aware of. How would you keep the inside Cat lll to Cat ll bush (if available) in a Cat lll hitch short of welding it in place? I guess one could cut bushings to correct length then hold them in place with a longer pin & shim washers

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larryanderson

08-12-2014 07:51:53
99.196.155.104



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 Re: 4020 quick hitch? in reply to Tx Jim, 08-12-2014 05:50:02  
Jim they just fit in CATIII part and separate pin diameter is CATII.It works in reverse to install CATII coupler on CATIII then there is a bushing that goes in ball. I think I have some bushings but like always I might be wrong.



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Tx Jim

08-12-2014 08:43:36
69.35.160.126



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 Re: 4020 quick hitch? in reply to larryanderson, 08-12-2014 07:51:53  
Installing Cat ll QH on a Cat lll 3 pt is easy concerning bushings but installing Cat lll QH ON Cat ll 3 pt is different.



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