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  1. #1
    Silver Member
    Join Date
    Jul 2001
    Posts
    178
    Location
    NW of St. Louis, MO area
    Tractor
    B2150DT

    Default air pressure in turfs for mowing

    I purchased turf tires for my kubota B2150 for mowing duties. I've mowed twice now, and the ride seems really harsh. The rear tires are aired up to the maximum on the sidewall (14psi). Is this too much? How low can I safely go? BTW, the rears are 13.6-16, 4 ply tires.

  2. #2

    Join Date
    Aug 2001
    Posts
    11
    Location
    Nixa, Missouri
    Tractor
    J.D. 4100 HST

    Default Re: air pressure in turfs for mowing

    While I do not have a kubota, I have turfs on my JD 4100. I do not even know what the max psi is on my tires, my manual says 10psi in the rear and that is what I use. At max speed in low range (HST) my tractor rides a little rough, but not bad enough that I am happy to get off after 3-4 hours of mowing. I would guess that the max is too high and would certainly give a rougher ride. If, or when, you lower the tire pressure don't forget that you will also lower you mower hight for any given setting.

  3. #3
    Veteran Member
    Advertiser

    Join Date
    Apr 2000
    Posts
    1,589
    Location
    Western New York
    Tractor
    Kubota B2710

    Default Re: air pressure in turfs for mowing

    I have the same size tires on my tractor. I run about 10psi in the rears and 22psi in the fronts. My rears are loaded with CC and that smooths out the ride quite a bit.

  4. #4
    Super Member ronjhall's Avatar
    Join Date
    Apr 2000
    Posts
    7,291
    Location
    SE Michigan, TX when its cold in MI.
    Tractor
    Kubota 2910 HST

    Default Re: air pressure in turfs for mowing

    John
    I have a 2910 with the same tires as you have. I run about 12 psi. The tractor rode rough even after trying to adjust tire pressures. I was having problems with rear tire slippage on some of the small hills that I mow. [img]/w3tcompact/icons/frown.gif[/img] It was suggested here on TBN that I try some additional weight on the rear. [img]/w3tcompact/icons/eyes.gif[/img] Added about 250 lbs with a weight box on the 3ph. This has solved both problems. [img]/w3tcompact/icons/smile.gif[/img] Ride is much better and Iím not tearing up the lawn from tire spin. [img]/w3tcompact/icons/grin.gif[/img]

  5. #5
    Silver Member
    Join Date
    Jul 2001
    Posts
    178
    Location
    NW of St. Louis, MO area
    Tractor
    B2150DT

    Default Re: air pressure in turfs for mowing

    I have a rear finish mower, so lowered air pressure will not affect cut height. I can't use the rear weight box idea either for the same reason. Prior to having turfs, I had ag tires which were ballasted with CaCl. The ride was better then. I'll try lowering the pressure a little

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