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  1. #1
    Platinum Member
    Join Date
    Jun 2004
    Posts
    585

    Default 3235 PTO Belt Replacement

    I was unable to find very much info about replacing the PTO belts so I'm posting my experience today replacing the matching pair of belts. I imagine all 3000 series & perhaps others are similar. My belts were glazed and cracked with 1 belt having a deep crack. The mower seemed slow to come up to speed & sounded like it bogged down at times.
    I removed the side panels but NOT the hood or grille. I removed the sheet metal shroud, mounted between the engine & the grille, by 4 cap screws. I loosened the 2 large studs, below the large pulley, enough to allow the belts to slip between the pulley & studs. They are there solely to prevent the belts from jumping off the pulley. I removed the upper belt retaining bracket, held on by 2 cap screws. I unhooked the upper end of the spring on the PTO engagement arm. The belts can now be worked off the pulleys & slid between the PTO brake & pulley, front belt first & then the inner belt. Reverse the procedure for installation. The entire job can be done in an hour. My belts were original & 7 years old with 376 hours.

    Bob B.

  2. #2
    New Member
    Join Date
    Jun 2011
    Posts
    4
    Tractor
    MF 261, JD790

    Default Re: 3235 PTO Belt Replacement

    Works for cub cadet 3186 as well. Thanks, this was very helpful!

  3. #3
    Platinum Member
    Join Date
    Jun 2004
    Posts
    585

    Default Re: 3235 PTO Belt Replacement

    An update to the belt replacement. I don't know if the replacement belts I bought on eBay were of poor quality but they only lasted 25 hours. I replaced them again but this time was able to do it by only removing the tension spring and loosening the 2 belt retainer studs. By laying on the ground under the front of the tractor I was able to bends the retainer brackets enough to slip the belts off and on.

    Bob B.

  4. #4
    New Member
    Join Date
    Jun 2011
    Posts
    4
    Tractor
    MF 261, JD790

    Default Re: 3235 PTO Belt Replacement

    I bent the belt retainers too. I've just ordered belts from v-belt supply and waiting for them to come. here is a link. with shipping about $8 each for 4. hopefully the kevlar will last. 4LK400 Kevlar V-Belt

  5. #5
    Platinum Member
    Join Date
    Jun 2004
    Posts
    585

    Default Re: 3235 PTO Belt Replacement

    Quote Originally Posted by petefitz View Post
    I bent the belt retainers too. I've just ordered belts from v-belt supply and waiting for them to come. here is a link. with shipping about $8 each for 4. hopefully the kevlar will last. 4LK400 Kevlar V-Belt
    Wow, $5.40 ea, that's really cheap. I paid $27.64 for a pair of belts on eBay. I think the Cub dealer wanted $45 for the pair. Let us know how they work out.

    Bob B.

  6. #6
    New Member
    Join Date
    Jun 2011
    Posts
    4
    Tractor
    MF 261, JD790

    Default

    of course the belts didnt fit. Off to the Cub dealer to get the right ones...i'll never learn.

  7. #7
    Platinum Member
    Join Date
    Jun 2004
    Posts
    585

    Default Re: 3235 PTO Belt Replacement

    I won't order those belts then.

    Bob B.

  8. #8
    New Member
    Join Date
    Jun 2011
    Posts
    4
    Tractor
    MF 261, JD790

    Default Re: 3235 PTO Belt Replacement

    got the new belts and put them on, no problems, runs great. hope they last!

  9. #9
    New Member
    Join Date
    Jun 2013
    Posts
    1
    Location
    Culpeper, Virginia
    Tractor
    Cub Cadet 3235

    Default Re: 3235 PTO Belt Replacement

    Thanks for your post. I have little mechanical ability but was able to follow your instructions and change the belts in about an hour.

  10. #10
    Platinum Member
    Join Date
    Jun 2004
    Posts
    585

    Default Re: 3235 PTO Belt Replacement

    Quote Originally Posted by tomwarby View Post
    Thanks for your post. I have little mechanical ability but was able to follow your instructions and change the belts in about an hour.
    Glad it helped. My belts are still going strong. In 9 years of use I've changed the 54 inch mower belt once and the PTO belts twice because the second set were apparently inferior. I still have the original battery and just started hooking up a Battery Tender last winter to keep it charged over the winter. When it finally goes it will probably just die completely.

    Bob B.

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