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JD cacked rear wheels

Last post Sun, Apr 28 2002 20:46 by anonymous. 22 replies.
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  • Sun, Apr 28 2002 20:46

    JD cacked rear wheels

    Wondered if any body has had problems with cracked rear wheels on 18.4/38 .running with duals for drilling 2nd set now starting to go around the bolt holes and these were surposed ot be a stronger set .tractor any done 3000 hours they are susidising new set but still going to cost over£1000 . welcome any coments
  • Sun, Apr 28 2002 20:48

    JD cacked rear wheels

    A friend has the same prob with a 6810, my older 6900 is not showing anything yet!!
  • Sun, Apr 28 2002 21:34

    JD cacked rear wheels

    had similar problem with ford/NH, best solution is rims with the continuous flange welded all round. A good fabricating firm should be able to cut & fit a pair for you, or try one of the east anglian wheel supplier firms. presume you do run the duals a couple of psi's lower than the tractors to reduce overloading the tractor rims?
  • Sun, Apr 28 2002 21:44

    JD cacked rear wheels

    I had similar problem with New holland 8360 they replaced them free of charge
  • Sun, Apr 28 2002 22:14

    JD cacked rear wheels

    We had had the same trouble on our 6900 they are on 650/38 John deere swapped them for solid centers F.O.C
  • Mon, Apr 29 2002 8:32

    JD cacked rear wheels

    Presume you mean the rim ? Had one 64 centre crack up at the centre holes with that size of wheel. About 3000 hours.
  • Mon, Apr 29 2002 19:20 In reply to

    JD cacked rear wheels

    Are the rims made by GKN or Titan?I believe one of those makers has the problem.
  • Mon, Apr 29 2002 22:02 In reply to

    JD cacked rear wheels

    our 8560 cracked both times with the italian make that i can't remember with out going & looking
  • Tue, Apr 30 2002 9:14 In reply to

    JD cacked rear wheels

    GKN
  • Tue, Apr 30 2002 20:52

    JD cacked rear wheels

    We cracked both rear wheels on our 6910 last autumn after about 180 hours work running dual 650s. dual wheels at 4 psi below tractor wheels had to by new centres and a strengthing kit total cost about £1600 has solved that problem but wht about the bank manager
  • Wed, May 1 2002 7:52 In reply to

    JD cacked rear wheels

    I hope you'll be able to run all 4 at the correct pressure now, and save by less soil damage. Sounds like we need to be more careful specifying wheel equipment for tractors we buy. I buy 2nd had, but the last two have both come with no back wheels (previous buyers wanted to keep those silly 65 series). The 64 wheels came off the previous owner's new tractor. I had specified the tyres, but never gave the wheels a thought. My 68 wheels are welded centre 18.4R42 which we use with duals, and have never had a problem. Previously these same wheels were on a 2wd 4040 - with 5.5 tonne on the back axle before hitching anything. Still no problem.
  • Wed, May 1 2002 10:08

    JD cacked rear wheels

    We bought a ex demo 6810 with 18.4 38, and within 6 months they had cracked around the bolt holes. We sent it back to the dealers who then replaced them with a set of solid rims! I think these are the rims the tractor should of come with to start with, but im not 100% sure!
  • Wed, May 1 2002 19:13

    JD cacked rear wheels

    John Deere seem to sending tractors with all sorts of wheels from what I have seen certainly all 50 Kph machines have solid wheels a lot of 68,69's have solid wheels or seriously strengthened rims and centres with a reinforcing sort of ring on the centre and longer studs . I haven't seen many 64's - 66's with solid wheels and only a few witth reinforced rims but none seem to have the reinforced centres. Our 6610 came with very standard wheels 18.4R38 and there was no mention of stronger wheels available even when we said about people shearing studs and rims cracking we were just told it was sorted. It is very interesting that there has been a fair bit said about 6000 John Deeres and 60 / TM fords but nothing has been said about Case Mx's which are absolute Sods for cracking rims etc Some one I know was going through a set of rims every 4-6 weeks one Autumn before eventually getting some purpose built solid rims made. There original rims looked very similar to the offending John Deere Rims and were probably made by the same manufacturer ??
  • Wed, May 1 2002 22:55

    JD cacked rear wheels

    Just goes to show what your paying the extra money for when you buy a Fendt.The wheels on our Fendts are at least 20mm thick not thin pressed out tin. We ran a 200hp JD on duals and had no trouble with those, sounds like there making them a lot thinner now to get the cost down.
  • Thu, May 2 2002 9:47 In reply to

    JD cacked rear wheels

    Fendt - all that extra money, just for 4mm in a set of wheels :-)
  • Thu, May 2 2002 18:27 In reply to

    JD cacked rear wheels

    Its not just that Mike, a friend of mine has a Fendt 926 vario with a tyre slippage problem on the rims on a sub year old tractor.Pressures arent that low and he is mainly just ploughing and drilling with it.Agco havent been helpful apparently.Tyres are 650/85/38 Kleber Topkers but the real problem is lack of burnishing on the rims i.e no grip on the tyre!
  • Thu, May 2 2002 19:04 In reply to

    JD cacked rear wheels

    A nieghbour with a 716 had cracking rims running 650/38's dueled with big 6m mounted drill, the rims are the same make as fitted to JDs I believe. Another friend bought a 716 and when he discovered that the rims were the same as had cracked up on his last JD he had extra thick centres welded in, just in case. I have found Fendts to have strounger wheels than most others, due to the 50k top speed I guess and have never had any trouble, but perhaps now we're AGCO things are slipping? David W.
  • Thu, May 2 2002 21:05 In reply to

    JD cacked rear wheels

    Does any one have any experiance with the kleber Topkers 650/85/38 I've currantly got 580/70/42 but have been told you get alot bigger footprint with the 85 profile without having to go to a two wide for ploughing 720. Have kleber got a website can't seem to find an address anywhere? Thanks, Gyles
  • Fri, May 3 2002 14:12 In reply to

    JD cacked rear wheels

    Gyles, try Kleber at The Edward Hyde Building,38 Clarendon Rd,Watford ,Herts.Tel 01923 415380.Ag tyre specialist is Ian Leitch[ mobile 07831 598827]As you probably know they are now owned by Michelin.[www.michelin.com] The Topkers are a big diameter tyre but seem a good compromise for ploughing and topwork if pressures are adjusted accordingly.
  • Mon, May 6 2002 8:38

    JD cacked rear wheels

    I notice all the Deere's featured in Friday's issue had welded centres - even the 6420.
  • Mon, May 6 2002 16:58 In reply to

    JD cacked rear wheels

    Many new 20 series come with solid centres now anyway, factory set at 72". Separate rims and centres are £200 extra. Our 6520 came with these and have a continious ring around the centre of the rim to which the centres are bolted. a lot better than 8 lugs welded to the rim Mark
  • Mon, May 6 2002 23:24 In reply to

    JD cacked rear wheels

    We have replaced three sets of rear wheels due to cracking of continuous ring welded to the rim. All now running on solid centres. No trouble as yet with lug type.
  • Wed, May 8 2002 10:59

    JD wheel studs

    No sooner does this topic arise than we start noticing problems again (when we change to rowcrops). 6400 rear studs give us problems. These are threaded all the way up. The bit of the stud going through the dish wears, and, we think, allows movement. This is despite the fact that our air gun appears to tighten these somewhat tighter than the recommended torques. We are considering replacing these studs with studs that are not threaded all the way up giving a slightly broader shoulder to sit in the dish (and the bracing ring on the outside of the dish). Has anyone tried this ? What hardness are the JD original studs ? They are marked 'U' which is not a grade I am familiar with (yes I am ignorant). TIA, Mike.
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