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  1. #1
    Silver Member
    Join Date
    May 2005
    Posts
    192
    Location
    Deadwood Falls Louisiana
    Tractor
    Jinma JM200LE

    Default 8.3-24 R4 Max Tire Pressure

    I am using 8.3-24 R4 tires I bought new from a local used Yanmar dealer. There is no max pressure rating on the tires. I am running 35psi. Does anyone know what the max pressure might be. Any estimate would help.
    hbaird

  2. #2
    Bronze Member
    Join Date
    Dec 2006
    Posts
    76
    Location
    Northern Va
    Tractor
    Kubota BX24

    Default Re: 8.3-24 R4 Max Tire Pressure

    It may be listed in BAR instead of PSI
    BX24

  3. #3
    Elite Member tallyho8's Avatar
    Join Date
    Aug 2004
    Posts
    3,312
    Location
    Katrinaville LA west of Westwego east of Ama south of River Ridge north of Boutte, above sea level
    Tractor
    Yanmar 1802, Kubota L4400

    Default Re: 8.3-24 R4 Max Tire Pressure

    I usually run 15 to 20 psi in my rear tractor tires regardless of the rating.

  4. #4
    Bronze Member
    Join Date
    Aug 2006
    Posts
    93

    Default Re: 8.3-24 R4 Max Tire Pressure

    I was told by a family owned tire shop that worked on a lot of tractor tires to run 12lbs on the rear tires.

  5. #5
    Silver Member
    Join Date
    May 2005
    Posts
    192
    Location
    Deadwood Falls Louisiana
    Tractor
    Jinma JM200LE

    Default Re: 8.3-24 R4 Max Tire Pressure

    Thanks for the replies. There no max pressure shown in any foremat. I have a backhoe on the back and to reduce sidewall bulge I am up to 35psi.
    I will try to reduce the pressure after I have a chance to see the footprint.
    hbaird

  6. #6
    New Member
    Join Date
    Oct 2013
    Posts
    1
    Location
    Eumundi, Australia
    Tractor
    JD 2025R 62" MMM, 4ft slasher, 200l spray

    Default Re: 8.3-24 R4 Max Tire Pressure

    Quote Originally Posted by hbaird View Post
    Thanks for the replies. There no max pressure shown in any foremat. I have a backhoe on the back and to reduce sidewall bulge I am up to 35psi.
    I will try to reduce the pressure after I have a chance to see the footprint.
    hbaird
    My manual says max front 35psi and rear max 40 psi. Very hard ride so I would like to know how low can I run them?

  7. #7
    Platinum Member Neat 1500's Avatar
    Join Date
    Aug 2009
    Posts
    601
    Location
    Melbourne,Australia
    Tractor
    Yanmar YM1500 Red & YM14 MkII

    Default Re: 8.3-24 R4 Max Tire Pressure

    Quote Originally Posted by tallyho8 View Post
    I usually run 15 to 20 psi in my rear tractor tires regardless of the rating.
    Same here, 20 PSI MAX.
    Paul YM1500 & YM14 MkII

  8. #8
    Platinum Member
    Join Date
    Jan 2012
    Posts
    527
    Tractor
    YM2000

    Default Re: 8.3-24 R4 Max Tire Pressure

    My 9.5/9 24 Ricer's 15psi. I'm also useing Tubes. Never had a problem or had to add any air in almost 7 yrs.

  9. #9
    Super Member Gary Fowler's Avatar
    Join Date
    Jun 2008
    Posts
    7,883
    Location
    Bismarck Arkansas
    Tractor
    2009 Kubota RTV 900, 2009 Kubota B26 TLB & 2010 model LS P7010

    Default Re: 8.3-24 R4 Max Tire Pressure

    35 PSI seems to be what the max pressure was on my Yanmar 4220 front tires per the tire info stamped into the tire.(cant recall the size but it had ricer tires on it) I run about 25 PSI on my kubota B26 with the back hoe. Otherwise on most tractors 12-15 PSI is plenty and provides good bar tread contact without excess squatting so you have much better traction than with an overinflated tire.
    2010 LS P-7010C 20F/20R gear tractor & FEL, 2009 Kubota B 26 TLB, RTV 900 Kubota,17 foot Lund boat with 70HP motor, 2012-20 ft 12k GVW trailer, 2011- 52" Craftsman ZTR mower, 2013 Ferris Zero Turn, 3 weed whackers, pressure washer, leaf blowers, 7 foot bush hog, 8 foot landscape rake , 8 foot 3 PH disc, 2 row cultivator, 350 amp Miller AC/DC welding machine and all the tools needed to keep them all repaired and running.

  10. #10
    Elite Member George2615's Avatar
    Join Date
    Feb 2005
    Posts
    4,630
    Location
    Central Square, NY
    Tractor
    LS XR3037HC

    Default Re: 8.3-24 R4 Max Tire Pressure

    Your front tires should be run close to max pressure for loader work, less if you don't have a loader. Rear tires can be 15-20 lbs. but you may need a little higher pressure depending on what you have on the 3 pt. for weight.

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