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  1. #1

    Default Blown gear box gasket on rototiller

    Hey all,
    My new (used) Agric amf-40 rototiller has a bad gasket on the drive-line side of the gearbox. Dealer says the part has to come over from spain!
    I figured i'd just make a new one but don't know if paper, oil resistant gasket material is enough. It's not high heat, and not alot of pressure....
    Do you think I need to use any special gasket material for this?
    Also, is gasket width extremely important here?
    Thanks

  2. #2
    Gold Member
    Join Date
    Oct 2005
    Posts
    282
    Location
    Okla City, Oklahoma
    Tractor
    NH TC55 DA

    Default Re: Blown gear box gasket on rototiller

    My King Kutter 6ft tiller is practically new although i've had it a year but i've only used it twice. It developed a bad gear grease leak on the left side where the drive gears are (i think this is where you're talking about too) and I checked the bolts and they appeared loose to me. So I tightened them, leak stopped but then when I removed the oil inspection plug a ton of water poured out of there. Well, I knew then that I had to take the about 10 bolts or so out and remove the plate and drain it all and replace the grease. I did this and decided to put it in the garage for the winter out of the weather. I'm afraid that it was leaking on the top as well or that much water couldn't have gotten into it. The gasket appeared ok but hopefully it was just loose bolts, we'll see. I bought some Permatex red gasket makeer so if it does it again I'm gonna try coating both side of the gasket and maybe that will seal it. I didn't have any when I pulled it off or i'd done it then.
    NH TC55DA, EHSS, 4wd, 18LA FEL, Woods BH-90X BH, Toothbar, Forks, 3 Rear Remotes, Hyd Top Bar, 5' Rhino brush hog, Grapple, 6' Tiller.

  3. #3

    Default Re: Blown gear box gasket on rototiller

    Thanks for the help.....
    Anyone else?

  4. #4
    Super Star Member Egon's Avatar
    Join Date
    Aug 2001
    Posts
    18,059
    Location
    Nova Scotia, Canada

    Default Re: Blown gear box gasket on rototiller

    Permatex red gasket makeer
    That does sound like a good solution.

    Some of use might just use a high temperature silicon to form our own gasket.
    Egon
    50 years behind the times
    Livin in a
    Worn out skin bag filled with rattlin bones

  5. #5
    Super Member
    Join Date
    Apr 2000
    Posts
    5,672
    Location
    Cedartown, Ga and N. Ga mountains
    Tractor
    1998 Kubota B21, 2005 Kubota L39

    Default Re: Blown gear box gasket on rototiller

    There should not be anything special with that gasket. As you said, low heat and no pressure. I'd pull the cover and run a bead of Permatex to see if that will stop the leak before I made a new gasket.

    MarkV

  6. #6
    Elite Member ToadHill's Avatar
    Join Date
    Oct 2005
    Posts
    2,711
    Location
    Catt county New York
    Tractor
    Kioti DK35, Ford 8N, Oliver Cletrac

    Default Re: Blown gear box gasket on rototiller

    If you need a new gasket take a piece of the old one to NAPA and make sure you get gasket material of a similar thickness, I've seen cases where gasket material that was too thin was used and it resulted in interference with the gears inside.
    I can't control my day but I can control my attitude.

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