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  1. #1
    Silver Member
    Join Date
    Nov 2003
    Posts
    141
    Location
    central illinois
    Tractor
    JD 4310 4WD turf tires

    Default 4310 Weight loss, a.k.a. use grade5 weight bolts

    On Wednesday I was driving over to my Deere dealer to
    get a $0.13 bolt to hold my control panel on my right fender on my 4310. I noticed one was missing after installing my
    3rd SCV kit. Anyway, my wife called me on the cell phone
    saying the neighbor down the road 3 miles had some logs that he wanted milled up. So I called him and stopped by to
    look on the way home. Since it was a nice day, I drove
    my pickup and trailer over to his house and had him take
    me back to get the 4310 with 430 loader so we could load the logs. When we finished, I took off back home with the tractor
    and he came to get me so I could take the pickup and trailer home again. When we got back to his house, there along
    the side of the road were two 60 pound wheel weights from
    my left rear wheel. Since about 3 hours earlier, I had just
    put the two right wheel weights back on, I thought that I
    hadn't tightened the bolts good enough. Not so. they
    were fine. Then I started to think back and remembered
    back in April when I bought the 4310 that I couldn't find
    any grade 5 or grade 8 0.5 inch carriage bolts for one
    side of the tractor and I ended up using grade 2 instead
    thinking that they would probably be fine. I later picked up grade 5 bolts but I forgot to swap them out. I am
    sure glad that no one was coming down the road when
    I lost the weights as it could have sure done a lot of
    damage to the underside of someone's car.
    The broken bolts were still in the holes on the weights
    and I have attached a picture of what was left of those two bolts.
    Attached Images Attached Images

  2. #2
    Elite Member rockyridgefarm's Avatar
    Join Date
    Mar 2002
    Posts
    4,455
    Location
    Road 4310
    Tractor
    Deere 4310 HST MFWD

    Default Re: 4310 Weight loss, a.k.a. use grade5 weight bolts

    Wow! who'da thunk it?

    Thanks for the heads up!

  3. #3
    Silver Member
    Join Date
    Nov 2003
    Posts
    141
    Location
    central illinois
    Tractor
    JD 4310 4WD turf tires

    Default Re: 4310 Weight loss, a.k.a. use grade5 weight bolts

    This kind of weight loss is sure a lot quicker than that
    Atkins' diet. Besides, I like bread. [img]/forums/images/graemlins/smile.gif[/img]

  4. #4
    Super Member JDgreen227's Avatar
    Join Date
    Nov 2003
    Posts
    7,686
    Location
    Central Michigan
    Tractor
    4210 MFWD Ehydro--'89 JD 318

    Default Re: 4310 Weight loss, a.k.a. use grade5 weight bolts

    I'm glad you didn't lose your weights or cause an accident of any type...just curious, do you think the grade 2 bolts broke because you overtorqued them? 0.5 inch is a pretty good size bolt but I have broken half inch wheel studs on a Ford pickup by using too much leverage.

  5. #5
    Silver Member
    Join Date
    Nov 2003
    Posts
    141
    Location
    central illinois
    Tractor
    JD 4310 4WD turf tires

    Default Re: 4310 Weight loss, a.k.a. use grade5 weight bolts

    Not sure if I overtorqued them or not as I didn't use a torque wrench. They had been on there since late April, early May.
    This was the first time however, that I had it going down
    the road in the C range at full speed as prior to that it hadn't
    ever left my property of 6 acres while on the road. Anyway, I have grade 5 bolts on there now.

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