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  1. #1
    New Member
    Join Date
    May 2011
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    10
    Location
    Ithaca, NY
    Tractor
    Kubota BX25

    Default BX25: Fill rear tires or not?

    Greetings:

    I'm new as a poster but a longtime reader who, like many others, has benefitted tremendously from the wealth of information available on this forum. So, thanks for what you've already taught me, and for what I hope you'll teach me in response to this question. I've searched the forum for other information on this, but didn't turn up anything that I'd call conclusive (or sufficiently so to prevent me from posting anyway).

    I just made a deal to acquire a used BX25, which will be a step up from my current BX1860. Having enjoyed good results with filled rear tires on the BX1860, I went ahead and arranged to have the rears on the BX25 filled as well. Then I got home, settled in for some quality time with the manual, and discovered the admonition that "liquid ballast in the rear tires should be removed" when using the backhoe. The idea of loading and unloading tires every time the hoe is used is totally impractical to me, so I'm now faced with a choice between (a) following the manual, which I expect will detract from loader work with the backhoe off and may adversely affect traction while mowing, etc., or (b) ignoring the manual advice and pressing ahead with filling the tires. My questions are:

    1. Does anyone know the actual rationale for the don't-load-the-tires instruction?

    2. If you have a BX25 (or 24 or 23), are your rear tires filled, and if so, have you encountered any adverse effects?

    3. For anyone experienced with kubota wheel weights, are they a decent substitute for filled tires, not just with loader work but also with keeping a low center of gravity for hillside mowing?

    I'll be grateful for any light you all may be able to shed on this.

  2. #2

    Default

    I would go with wheel weights, it takes more hp to turn a filled tire, then wheel weights.

  3. #3
    Platinum Member BIG DOOLEY's Avatar
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    Aug 2012
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    602
    Location
    MICHIGAN
    Tractor
    JOHN DEERE 2320

    Default Re: BX25: Fill rear tires or not?

    Could possible have to do with the down riggers lifting capacity and additional weight caused from digging?
    Surely is not added weight to the rear axle.
    With the rear loader you will have ballast, unless manuverabilty is a problem with the loader on.
    2012 JD 2320, HOMEMADE CANOPY, 54" FRONT BLADE, 54" MID DECK MOWER, HYDRAULIC ANGLE 60" REAR BLADE, QUICK HITCH, STAINLESS FRONT MOUNT SPRAY TANK W/BOOM, 200CX LOADER W/ 61" BUCKET, HOMEMADE BALLAST BOX,HOMEMADE BUCKET GRAPPLE
    1998 "BIG DOOLEY" Chevy K3500 Crew Cab (36.000 miles & counting)

    United Steel Workers Union 12934

  4. #4
    Silver Member BXinNH's Avatar
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    Aug 2008
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    166
    Location
    Southern NH
    Tractor
    Kubota BX24TLB

    Default

    I have a BX24 with rear tires filled by the dealer when it was new. I read the same thing in the manual and still don't know the logic behind not filling the tires. I have not had any problems in the four years I've had it. FWIW. Good luck with your BX.
    Kubota BX24 TLB, Loaded R4s, Wallenstein Thumb, Kubota FEL Q/A, Kubota Pallet Forks

  5. #5
    Super Member JOHNTHOMAS's Avatar
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    Apr 2008
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    6,055
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    Somerset, Ky
    Tractor
    currently own F3080 F2680e BX25D RTV1140

    Default Re: BX25: Fill rear tires or not?

    Had a BX25 with non loaded tires and currently have a B2620 FEL BH with non loaded tires. With BH on there is no need for extra weight. With BH off, which for me would be rare or will be off to attach bush hog mower, or tiller or plow or boxblade or over seeder which any of them would provide the weight needed for FEL work and with out fel work no need for extra weight.
    If it's already added I wouldn't worry to much and doubt I'd remove it but if I could call and tell them to not add tghe fluid, I would because I can't see any need for it. Buy almost any implement for rear weight if you think you need it.
    2014 BX25D, 2008 F2680e 2WD 72" side Discharge Deck, 2012 F3080 4WD 72" rear discharge deck, 2010/2009 RTV1140CPX , RatchetRake, Forks, .. Drawbar and Horse Drawn disk 13 Toyota Tacoma Double Cab, 15 Subaru Outback. 1998 SLK230, 2009 Subaru Impreza Sport

  6. #6
    Veteran Member rbarker's Avatar
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    Jul 2003
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    1,145
    Location
    Massachusetts
    Tractor
    BX 25

    Default

    Quote Originally Posted by Habeas Kubotas

    2. If you have a BX25 (or 24 or 23), are your rear tires filled, and if so, have you encountered any adverse effects?
    I have a BX25 now and previously a BX2200 with Woods groundbreaker backhoe. Neither tractor has filled rear tires. I use it to mow the lawn all summer and I didn't really want the extra weight. I guess I can't really compare since I never tried one with filled rears but there has never been a time in my 11 years of ownership when I said to myself "gee, if only I had filled those rear tires..." If I'm using the loader I always drop an 3ph attachment or the backhoe on for counterweight and have found that to be adequate.
    Bob B.

    Kubota BX25, FEL, 60" MMM, Curtis cab with heat
    Kubota BX2750D snow blower, 5' Estate rake, 5' rear blade

  7. #7
    Veteran Member GolfAddict's Avatar
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    Oct 2011
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    2,213
    Location
    SE Minnesota
    Tractor
    Kubota BX24; John Deere 4020

    Default Re: BX25: Fill rear tires or not?

    I have a BX24 with about 650 hours now, probably about the last half of those were after I filled the rear tires. Since you already know what a huge difference that makes I don't need to go into the advantages of having them filled. I've never understood exactly the reason for not filling the rears with the backhoe installed. The added weight of filled rears is directly on the ground, not the axle.

    I suppose it is more work for the tractor to move around the extra weight of the liquid in addition to the hoe when you have the heavy backhoe on, but it has more than enough power for that, especially since you can always switch to Low range where needed. The only other thing I can think of is that the weight of filled rears and the back hoe together can certainly cause it to leave deeper wheel impressions on the ground.

    I personally would never go back to unfilled rears. I should also say though that the majority of the hours I spend using my BX24 is without having the backhoe installed. It's so easy to remove and install as needed that I only have the hoe mounted when I actually need to use it.

  8. #8
    Super Member radioman's Avatar
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    May 2008
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    5,678
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    Ontario, NY
    Tractor
    Kubota BX24

    Default Re: BX25: Fill rear tires or not?

    Quote Originally Posted by Habeas Kubotas View Post
    My questions are:

    1. Does anyone know the actual rationale for the don't-load-the-tires instruction?
    I really dont know either. it's been driving me crazy too. Its the most ridiculous thing I ever read in any manuals.
    2. If you have a BX25 (or 24 or 23), are your rear tires filled, and if so, have you encountered any adverse effects?
    Nope. none. nada.

    3. For anyone experienced with kubota wheel weights, are they a decent substitute for filled tires, not just with loader work but also with keeping a low center of gravity for hillside mowing?
    I can attest that filled tires DOES help the BX on hillsides mowing. I mow my ditch sideways at a steep angle - not up and down.

    I'll be grateful for any light you all may be able to shed on this.
    A little background: I have my BX24 for over 4 years and counting. When I first got it, my tires were not filled and after 4 seasons, I decided to get them filled. The filled tires really helps with traction plowing snow. really helps with lower COG. really helps with BH off and full load of materials in FEL. I used my BH to do alot of digging with filled rears and the outriggers just works fine. I think that line in the kubota manual about "removing liquid filled ballast before using BH" is a bunch of hooey, the most baloney statement I ever read in my life(pardon my french) . I asked the same question here in TBN, others did too and NOT a single reason why to do so.

  9. #9
    Bronze Member
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    Oct 2012
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    56
    Location
    Nezperce, Idaho
    Tractor
    Kubota L4600 HST, 1963 D-4 Dozer

    Default Re: BX25: Fill rear tires or not?

    Had the Beet Juice put in my rear tires on my L4600 in October when I bought it. Using it on my place where I have a lot of slopes and very uneven ground it seemed to be very stable. It been used primarily for moving and spreading 2 inch rock on the roads using the 72 inch bucket. I went with the Beet Juice after talking with my neighbors with similar ground conditions. The guys with tractors the same size or somewhat larger than my L4600 have been using the juice in the wheels for years. The larger JD tractors with more weight aren't using it. I will be pushing snow this next week and we will see if the traction is Happy Happy Happy.




    Quote Originally Posted by radioman View Post
    A little background: I have my BX24 for over 4 years and counting. When I first got it, my tires were not filled and after 4 seasons, I decided to get them filled. The filled tires really helps with traction plowing snow. really helps with lower COG. really helps with BH off and full load of materials in FEL. I used my BH to do alot of digging with filled rears and the outriggers just works fine. I think that line in the kubota manual about "removing liquid filled ballast before using BH" is a bunch of hooey, the most baloney statement I ever read in my life(pardon my french) . I asked the same question here in TBN, others did too and NOT a single reason why to do so.

  10. #10
    Platinum Member thavil's Avatar
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    Jul 2008
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    Southern Maryland
    Tractor
    Kubota BX24

    Default Re: BX25: Fill rear tires or not?

    My BX24 has had filled rears from day one and will always have them filled. As others have mentioned, no issues at all with the outriggers lifting the tractor with them filled.
    BX24, 60" MMM, Woods HC48 Rotary Cutter, W.R Long Flat Toothbar, 4' Farm Force Box Blade, Leinbach 7200JR PHD w/ 12" & 9" augers, Cosmo XB 3PH spreader, Pat's Easy Change, Front & Rear Bro-Tek Skid Plates, BXpanded Under Armor/Brush Forks/BH Dolly/Bucket Hooks/Tool Pouch/Work Lights, drag harrow, Larry's Mower Axle Stands, 52" Rachet Rake, Millcreek manure spreader

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