4300 wheel bolt problems: John Deere Review  -- John Deere Tractors Discussion Forum and Review 4300 wheel bolt problems: John Deere Review -- John Deere Tractors Discussion Forum

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 07-16-2000, 19:01 Post: 18015
Doug Huebner



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 4300 wheel bolt problems

I have had my 4300 for about a year now and have trouble with the wheel bolts on th elft side coming loose no matter how tight I crank them. Today I lost two bolts and the rest were very loose before I noticed. I remember reading that someone else had this problem. Has anyone else experienced this?Thanks for the input.






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 07-17-2000, 06:25 Post: 18028
TomG

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 4300 wheel bolt problems

I check the tightness on my wheels and loader about every month with a 2' breaker bar. I don't know if there is a particular problem with JD4000 series tractors, but checking wheel and loader bolts regularly is good practice. If the problem persists, I'd take off the lugs, clean and lub them, and then re-torque them. Keep in mind that the torque reading should be taken when the bolt is moving. If the problem really persists, my instinct would be to replace the bolts. If the threads have been stretched, the bolts may not seat as well.

The last time I checked my tractor, I found several loader frame mounts loose. Hey folks, do that nagging little chore today! It's a lot easier to spend 15 minutes checking bolts than it is to replace broken parts.






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 09-10-2000, 15:35 Post: 19674
Tannenwald



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 4300 wheel bolt problems

I was EXTREMELY interested to discover this board and read this post. Our JD4300, with 170 hours on it, just had a monumental problem with this. Last week, while filling in a hole to bury a deceased pet horse, I noticed that the back end of the rototiller bottomed out in the sand. I asked a bystander what was going on, and he had me back the tractor up just a bit and get off it. Apparently, all 6 bolts in the left rear wheel spontaneously came out. The wheel was held on (and the tractor up!) by one remaining chewed up bolt. We found two of the bolts right next to the tractor, and another about 100 feet back on the path of a tractor. The other two may be laying in the dirt, or pushed into the hole, or who knows where.

The dealer quickly sent out a service guy the next day (response accelerated due to the fact that the horse was not yet buried completely), who pocketed the bolts, retapped the wheel hub, and installed 6 new bolts. I asked him to check the other wheels, which were not loose at all.

Now the dealer has sent me a repair bill, which I received yesterday, saying that this is not under warranty because the bolts are supposed to be tightened on the service schedule under the warranty. Despite the fact that we HAVE checked them (the manual says only to check every 50 hours past 100), and never was able to tighten them at all (not using the super-dooper torque bar he brought, but with a regular ratchet), supposedly Deere will not warrant this failure.

Better yet, the service guy told me that a larger 4000 tractor they leased to a lumber yard had the same thing happen on the left rear wheel.

I am arming myself to confront the dealer on Monday and it would be extremely helpful to get the details of any similar problems. Seems like there was a bad box of bolts somewhere on the assembly line....






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 09-11-2000, 08:54 Post: 19692
Ed



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 4300 wheel bolt problems

I believe this is a common problem, I have used my buddy's 4400 - and each time, he or I need to check the left rear for loose lugs.






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 09-11-2000, 10:51 Post: 19698
Doug Huebner



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 4300 wheel bolt problems

The dealer picked up the tractor and fixed the wheel bolt problem as well as a couple of others. He put new bolts and some griptight [or is it locktight?] It has not been a problem since - but I am still watching.






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 09-11-2000, 16:53 Post: 19710
Tannenwald



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 4300 wheel bolt problems

OK, moving along on this bolt issue: I talked to the other guy who bought a 4400 hydro from our dealer and had the bolts come off--3 of them--before he noticed. This happened to him between 8-10 hours of use, within the last month (imagine the dealer's surprise when I called them to say the wheel had fallen off MY tractor...). The tractor now has 40 hours and he has tightened them constantly with a 4-way wrench, but they kept coming out. He talked to the dealer who told him he had to put them on with an impact wrench! He tried that and kept breaking the bolts. So he is just in that tighten-every-freaking-time-you-start-the-tractor cycle. The dealer did not even give him the new bolts!

The repair guy told me to tighten the things with a torque bar to between 65-80 lbs. I cannot find that range anywhere in the manual. Why would they tell me to tighten them with a bar when they told the other guy to use an impact wrench? This whole thing is making me scared to get back on this 20,000 piece of...ahem...machinery.

The guy with the 4400 said they should have used left-hand threaded bolts on the left wheel, so that they would have the tendency to be tightened when the tractor is moving forward. What do you machine-oriented folks think of that?

I am going to send the dealer and Deere a letter reference this matter, just in case Deere is not aware of the problem. Anybody who has experienced this phenomenon, please let me know, so that I can make the point that my situation was not just a freak occurrence.






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 09-11-2000, 17:02 Post: 19714
Bird Senter

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 4300 wheel bolt problems

A number of cars and trucks over the years have come with left handed threads on the lug bolts on the left side. The self tightening theory is good; at least in theory, but I've never been able to tell it really made any difference with lug bolts. And I've never had such a problem with lug bolts, but I do believe I would have to try some loctite on them. John Deere didn't by any chance produce threads that don't match properly, did they, i.e., male and female threads different coarseness or one metric and one SAE?






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 09-11-2000, 17:07 Post: 19715
Tannenwald



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 4300 wheel bolt problems

Interesting question about the potential difference in thread. Would a difference in thread account for why the left wheel is always the one to come off? No one is reporting problems on the right side, only the left rear. I kind of don't think so, but I am no mechanic. Just a horse breeder. The service guy did put loctite on the new bolts on the left wheel. Hopefully it will work.






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 09-11-2000, 19:59 Post: 19722
Bird Senter

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 4300 wheel bolt problems

Actually, I just can't quite imagine the threads being different, but I've seen weirder things happen in manufacturing. And I just can't imagine why the left rear wheel would be a problem and the others not be. So it was just a thought.






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 09-12-2000, 13:19 Post: 19747
ridge runner



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 4300 wheel bolt problems

MY 4300 CAME WITH THREE STRIPPED OUT BOLTS ON THE LEFT REAR WHEEL THAT WORKED LOOSE CAUSING WHEEL WOBBLE. PROBLEM WAS REPAIRED UNDER WARRANTY, NO CHARGE.






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Discussion Boards > Active Subjects > Messages as Posted > John Deere Review Forum

Thread 18015 Filter by Poster:
Art White 3 | Bird Senter 2 | blizzard 2 | Brent B 3 | Chief 1 | Dane 1 | Doug Huebner 4 | Ed 1 | Greg franklin 1 | Halsey Green 1 | J.D. Braathen 1 | Jeff Golden 2 | JeffM 4 | Jim Reichard 1 | John Walsh 1 | kay 1 | keith metler 9 | LilRhody 3 | Paul Tegen 1 | RichS 4 | ridge runner 2 | Roger L. 7 | Tannenwald 7 | Ted Kennedy 3 | TomG 7 |




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