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  1. #1
    Gold Member mangus580's Avatar
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    Default Lift Capacity vs Breakout force

    I think I understand the difference in the terms.... but why the major difference?

    Looking at the specs for the LL3103 for the R3039, Lift capacity is 2250, while Breakout Force is 3457. Is the lift capacity that much lower just for safety reasons while maneuvering with a load? I guess the real question is, can the loader lift more, if you are lifting straight up, and not transporting it anywhere? (like to lift a pallet up, and back a truck under it?)

  2. #2
    bcp
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    Default Re: Lift Capacity vs Breakout force


  3. #3
    Gold Member mangus580's Avatar
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    Default Re: Lift Capacity vs Breakout force

    Thanks bcp - I guess that about sums it up :-)

  4. #4
    Gold Member mangus580's Avatar
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    Default Re: Lift Capacity vs Breakout force

    Further reading basically sums it up as the amount of force it can lift straight up off the ground. Sounds like lifting a pallet on forks for transport around the yard may allow for a heavier lift, than say loading a pallet to a higher height (or dumping a heavier load in a truck).

    That said, I shouldnt have much trouble moving a face cord of firewood around on a pallet, as long as I dont need to get it more than a foot or 2 off the ground with a R3039 - which is what sparked this question.

  5. #5
    J_J
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    Default Re: Lift Capacity vs Breakout force

    I believe the breakout force is a combination of lift and curl.

    Size of bucket will also modify your lift capacity.

    You probably have more curl force than lift force on most tractors.
    J.J.

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  6. #6
    Gold Member mangus580's Avatar
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    Default Re: Lift Capacity vs Breakout force

    The rating that LS provides cant be curl, as its listed at the pivot pin.

  7. #7
    Silver Member RAYJAY's Avatar
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    Default Re: Lift Capacity vs Breakout force

    i have the r3039 loaded rear tires with rim guard I'm lifting the one ton bags with coal in them no problems lifting do need to add more counter weight as the rear of the tractor gives you the pucker feeling .... not coming off the ground but that floating

  8. #8
    Super Member Gary Fowler's Avatar
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    Default Re: Lift Capacity vs Breakout force

    Quote Originally Posted by mangus580 View Post
    The rating that LS provides cant be curl, as its listed at the pivot pin.
    Breakout force is same as curl even if it give it at the pivot pin. Many specs list all the forces at pivot pin when in actuality the weight is several inches in front of the pin and extending to the edge of the bucket so some portion of the lift is maybe 24" in front of the pin or farther depending on size of your bucket. Quoting force at pivot pin equalizes the calculation which it mostly is based on size of cylinder, operating hydraulic pressure and length of the lever point between where the bucket is attached (fulcrum) and where the cylinder is attached (distance between the points is the lever). Degree of tilt and rollback on the bucket will raise or lower the breakout force as it either increases the lever length or decreases it. Think of the equation as like the old see-saw where you can move the board to one side or the other to balance it for fat boys vs skinny boys or put more weight (pressure) on the lever on one side to lift the other. That is your lift.
    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, 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 CC AC/DC welding machine and all the tools needed to keep them all repaired and running.

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