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  1. #1
    New Member
    Join Date
    Dec 2010
    Posts
    13
    Location
    Renick, WV
    Tractor
    John Deere 5095M 4WD

    Default John Deere 5420 problem

    I own a John Deere 5420 and recently had an experience that scared the **** out of me. I placed the Powershifter in Park and when I released the clutch the tractor took off in forward direction. I was in low range and 2nd gear when this happened. I immediately hit the clutch and brake and looked to see if the shifter was in park and it was. I shifted to neutral and back into park and the same thing happened again. It took 4 tries for the transmission to finally to actually go into park. Has this happened to anybody else out there? This makes me want to trade my Deere for something else!

  2. #2
    Super Member AKfish's Avatar
    Join Date
    Oct 2004
    Posts
    5,098
    Location
    Kasilof, Alaska
    Tractor
    JD 5075M; JD 110 TLB; JD 4720; Ford 9N; JD X300R

    Default Re: John Deere 5420 problem

    Welcome to TBN. Great place, cheap advice..

    I can appreciate your consternation and alarm! However, before you get ready to sell or trade - call your local JD's service manager.

    Chances are he or the shop mechanics have some knowledge of your problem and can offer solutions.

    At the very least, he can access the JD database for prior recalls, retrofits and/or repairs for the problem you experienced.

    Best of luck.

    AKfish
    "Most people want to live on top of the mountain, but all the happiness and growth occurs while you're climbing it."

  3. #3
    Elite Member Tx Jim's Avatar
    Join Date
    Jan 2007
    Posts
    4,854
    Location
    North Texas
    Tractor
    JD 4255/Kubota M7040 HDC

    Default Re: John Deere 5420 problem

    I agree that you should contact your local JD dealer service manager. They should be able to contact D-Tac at JD service dept at the branch office to find solution. I'm guessing a control assembly malfunction as JD shows a retro-fit linkage in parts catalog with original parts NLA(if I'm looking at correct handle).

  4. #4
    Elite Member Kyle_in_Tex's Avatar
    Join Date
    Oct 2002
    Posts
    4,696
    Location
    Giddings, Texas
    Tractor
    JD 4310,JD5420

    Default Re: John Deere 5420 problem

    The lever mechanism has 2 cables. Probably one has broken. Relatively simple fix. Not too technical, just getting to and routing the cable is the time.

    there are 2 kinds of oats. Oats in front of a horse, and oats behind the horse.

  5. #5
    Elite Member Kyle_in_Tex's Avatar
    Join Date
    Oct 2002
    Posts
    4,696
    Location
    Giddings, Texas
    Tractor
    JD 4310,JD5420

    Default Re: John Deere 5420 problem

    Just re-read your post. Maybe lube the mechanism with some lube. Make sure the latches and such are working. Agreed this is potentially dangerous. Keep us posted on outcome.
    there are 2 kinds of oats. Oats in front of a horse, and oats behind the horse.

  6. #6
    Gold Member
    Join Date
    Mar 2005
    Posts
    306
    Location
    Barton NY
    Tractor
    JD 5420 MFWD 541 FEL JD X758

    Default Re: John Deere 5420 problem

    So what was wrong?

    I haven't had an issue with mine in nearly 1000 hours and hope that I don't. We have to put a lot of faith in that PARK position seeing that it doesn't have a park brake.
    5420 MFWD w/541 MSL FEL - Only 900 hours and turning green.

  7. #7
    New Member
    Join Date
    Dec 2010
    Posts
    13
    Location
    Renick, WV
    Tractor
    John Deere 5095M 4WD

    Smile Re: John Deere 5420 problem

    The problem was a broken parking pawl and gear. The total bill to fix the problem was $2,971.00. The dealer said it is not uncommon for this to happen if the tractor is not completely stopped and you attempt to put it in park. I must admit that on more than a few occasions I have heard a grinding noise when I've tried to put the tractor in park. You can bet your rear end when I put it in park from now on, the tractor will be completely stopped. This was a very expensive lesson to learn! Overall this tractor has been a great piece of equipment. I'm almost ready to pull the trigger on a 3 point backhoe attachment for it. Anybody out there have any experience with 3 point backhoes?

  8. #8
    Platinum Member
    Join Date
    Apr 2011
    Posts
    738
    Tractor
    cx70,5510,4630,5005

    Default Re: John Deere 5420 problem

    any brand will break if you put it in park with it still moving.on my 5510, john deere replaced my linkage on a recall.it now has over 3500 hours with no transmission problems.the backhoe attachment works good but not as good as a real backhoe.

  9. #9
    Gold Member
    Join Date
    Mar 2005
    Posts
    306
    Location
    Barton NY
    Tractor
    JD 5420 MFWD 541 FEL JD X758

    Default Re: John Deere 5420 problem

    Ummm, broken pawl and gear not all that uncommon??? YIKES!

    You probably have the same issue I have. Not a single piece of flat ground anywhere on your property to park. Everytime I am making hay and have to stop with the baler and hay wagon on, I think to myself: "I hope the parking pawl holds". Now, you really have me thinking... Obviously I try not to stop on steep ground, but I rarely can find completely flat either. I will have to be more cautious.

    Looking at the parts schematic on JD Parts, it appears that there is no way to inspect the pawl and gear without splitting the tractor, dropping the transmission and removing the top cover. Althogh, maybe there is a side access cover that will allow inspection.

    Do you know if they could see the pawl and gear via the side access cover?
    5420 MFWD w/541 MSL FEL - Only 900 hours and turning green.

  10. #10
    New Member
    Join Date
    Dec 2010
    Posts
    13
    Location
    Renick, WV
    Tractor
    John Deere 5095M 4WD

    Smile Re: John Deere 5420 problem

    Based on my conversations with a JD mechanic, there is no way to inspect the parking pawl without breaking the tractor in half. He also said to try not to park on a steep incline because it puts an extraordinary amount of strain on the pawl. I cut brush with a 7 foot rotary cutter on some very steep areas of my farm and sometimes it is necessary to stop on a hill for various reasons. It takes a leap of faith to trust that the tractor won't run over you as you work around it. I'm as careful as possible but I do worry when I have to work downhill in front of the tractor. I always work with my loader bucket attached and drop the bucket at an angle when stopping downhill as a safety measure.

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