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  1. #1
    Silver Member deathtoblackberries's Avatar
    Join Date
    Mar 2013
    Posts
    227
    Location
    Battle Ground, WA
    Tractor
    Kubota B2920

    Default I'm freaked my B2920 will tip over sideways

    How far can you lean one of these sideways before it tips over? You sit so high up even a marginal side slope seems dicey. I spent a lot of time jogging around today trying to keep it flat on slopes I'd just burn across with a riding lawn mower. To the point I'm now wondering if I made the right choice for mowing. Note I have ballast in the rear tires a FEL and BH though I'll take the BH and FEL off for mowing.

  2. #2
    Veteran Member
    Join Date
    Jan 2011
    Posts
    2,442
    Location
    Fanning Springs, Gilchirst County, North-Central Florida
    Tractor
    Kubota Tractor Loader L3560 HST 37-hp / 5,400 pounds

    Default Re: I'm freaked my B2920 will tip over sideways

    Do not go across slopes. Go perpendicular to the slope. Partly you will get used to sitting up high there in the center. But you need to be VERY CAREFUL at the same time. Make sure your seat belt is fastened at all times.

    Taking off the backhoe will probably make you feel more secure. Most people mow with the FEL on, just keep it low.

    What are you mowing with?

  3. #3
    Platinum Member rmorey's Avatar
    Join Date
    Nov 2012
    Posts
    803
    Location
    Eastern Ontario
    Tractor
    Kioti DK40SE HST Cab, Mechron 2200

    Default Re: I'm freaked my B2920 will tip over sideways

    I think you would be surprised at how far over you have to go to actually tip it. The centre of gravity is well below your knees when sitting on the seat. Just have to get used to it.
    Rick

  4. #4
    Elite Member s219's Avatar
    Join Date
    Dec 2011
    Posts
    2,556
    Location
    Virginia USA
    Tractor
    Kubota L3200

    Default Re: I'm freaked my B2920 will tip over sideways

    If there is a number (maybe check the owner's manual) it won't be consistent since there are so many variables.

    You can tip a tractor on flat ground if you get a wheel in a rut, so it's not just the slope you need to look out for.

    If mowing on a hill, you may need to mow up/down the fall line assuming you can make a safe turn on each end.

  5. #5
    Platinum Member
    Join Date
    Mar 2003
    Posts
    931
    Location
    Maine
    Tractor
    Kubota B2620

    Default Re: I'm freaked my B2920 will tip over sideways

    Use a tilt-meter. Like they say, low and slow if you have to go across a slope....keep the ROPS up....seatbelt!

  6. #6
    Platinum Member AStanton's Avatar
    Join Date
    Feb 2012
    Posts
    626
    Location
    North Central, CT

    Default Re: I'm freaked my B2920 will tip over sideways

    You can also invest in spacers for your rear wheels that would give you a wider stance. They cost about $350 at the dealer with about one hour of labor to install.

  7. #7
    Veteran Member Depmandog's Avatar
    Join Date
    Nov 2010
    Posts
    2,223
    Location
    Buckner MO
    Tractor
    2005 Kubota L5030 GST; Farmall 706

    Default

    There is an interesting website that discusses rock climbing / trail jeep rollover angles.

    http://www.jeepaholics.com/tech/cog/#_Toc535118730

    It gives you some mathematical equations to play with to determine rollover angles. Of course, you have to have a way to measure the weight of each axle / each tire to have the data to plug into the equations. I didn't study the equations in detail, but first glance it appears it should work for determining the rollover angle of tractors too.

    On your setup, can you move your rear wheels out any further? I know I could gain several inches of width on my L5030 if desired. That would make a huge difference in your situation.
    Dean


  8. #8
    Veteran Member vtsnowedin's Avatar
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    Jul 2011
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    2,064

    Default Re: I'm freaked my B2920 will tip over sideways

    Here is a good explanation of the physics involved.
    National Ag Safety Database - Tractor Overturn Hazards

    Quite a few of the compact and sub compact tractors have taken the compact part a bit too far when it comes to rear wheel tread width. If you have slope work to do on a regular basis changing the wheel spacing will make things much safer. Do keep the ROPS up and wear your seat belt.

  9. #9
    Veteran Member Deano's Avatar
    Join Date
    Oct 2008
    Posts
    1,173
    Location
    Southern Maryland
    Tractor
    Kubota BX24

    Default Re: I'm freaked my B2920 will tip over sideways

    Quote Originally Posted by vtsnowedin View Post
    Here is a good explanation of the physics involved.
    National Ag Safety Database - Tractor Overturn Hazards

    Quite a few of the compact and sub compact tractors have taken the compact part a bit too far when it comes to rear wheel tread width. If you have slope work to do on a regular basis changing the wheel spacing will make things much safer. Do keep the ROPS up and wear your seat belt.
    Intersesting reading!
    Deano
    2006 BX24, 6' New Implements rake, Woods RB60 rear blade, Wallenstein thumb, Bro-Tek rear skid plate, home made front skid plate, W.R. Long flat tooth bar, 4' finishing mower (TPH), 4' box blade, post hole digger, New style seat!!!!! Country Manufacturing manure spreader, Agri-Fab drop spreader.

  10. #10
    Elite Member newbury's Avatar
    Join Date
    Jan 2009
    Posts
    4,778
    Location
    From Vt, in Va, retiring to MS
    Tractor
    Kubota's - B7610, M4700

    Default Re: I'm freaked my B2920 will tip over sideways

    Drive with the downslope stabilizer out
    Or both stabilizers out and hoe extended
    My rides - '95 Kubota M4700 w/ PEC, LA1001 FEL :'07 B7610, LA352 FEL, Bush Hog SBX 48 box blade, '09 Woods BH70-X w/ 16" bucket and thumb, 3pt pallet forks, Dale Phillips PHD, Jinma 8" chipper, 2 Piranha's, Winco 12KW PTO generator, Howse plow, 5' KK tiller, 5' Big Bee cutter, with a 2002 7.3L Ford F350 CC DRW 4x4 and '07 18' Hudson HSE Deluxe trailer - 5 Ton to haul it all

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