flotation in rain saturated wheat fields - The Combine Forum
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post #1 of 26 (permalink) Old 06-02-2019, 09:56 AM Thread Starter
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flotation in rain saturated wheat fields

anyone have experience with LSW1250/45R46 tires in soft conditions ?

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post #2 of 26 (permalink) Old 06-02-2019, 10:36 AM
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Are you thinking combine?
Make sure they will fit first.
If you can estimate axle weighs and study cyclical loading charts and operate at the bottom pressures of those floatation will be as good as you can make it.
https://www.titan-intl.com/-/media/F...on_tables.ashx
This comes up as page 3 panel but page 22 bottom left corner of actual publication.
Looks like the size you picked is the highest flotation tire they build.

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post #3 of 26 (permalink) Old 06-02-2019, 10:51 AM Thread Starter
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yes, combine tires.....we're approaching winter wheat harvest and the ground water table is super high with the Mississippi River above flood stage for months now and rains every 4th day....ditches are full and overflowing with the floodgates closed......rutting up the wheatfields during harvest is a major concern with trying to replant to soybeans...
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post #4 of 26 (permalink) Old 06-02-2019, 10:51 AM
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I can say they are expensive to get 1250mm wide tire under a machine. A 30.5/32 with 18.4/38 dual added to it gives you 1380mm of tire spaced over a wider area and is a whole heck of a lot cheaper if you have 32's already. So that is what we ran so have no comparison to a 1250. My guess is more rubber for less money will likely win.
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post #5 of 26 (permalink) Old 06-02-2019, 11:16 AM
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Quote:
Originally Posted by Greeneagle5 View Post
anyone have experience with LSW1250/45R46 tires in soft conditions ?
Just noticed from that chart, 1250 is actually a 40R, not 45R.
I suspect the 1100 45R46 1250 40R46 and 1400 30R46 are all the same overall diameter.
Why they build a 1250 35R and 40R is a mystery to me.
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post #6 of 26 (permalink) Old 06-02-2019, 11:24 AM
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The more rubber you get under your combine the better. I would much sooner dual up what you have. If possible it is better to have the outside tire a little smaller or less air to decrease the strain on the axle. Some of these metal working shops will fabricate axle tubes quite cheap if they are looking of work.
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post #7 of 26 (permalink) Old 06-02-2019, 12:20 PM
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By pure coincidence this just showed up


Not the system but the graphics/demo showing proper inflation advantages.

Still not good enough to maximize central tire inflation advantages, that will NOT happen until automatic rolling radius detection and compensation systems appear.
When that happens tires will put a run on tracks again.
Donít you just love cyclical technology development?!
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post #8 of 26 (permalink) Old 06-02-2019, 12:37 PM
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For the same flat plate a big ass single probably holds up better than duals in the really soft saturated stuff.

And there’s nothing worse than duals that are not spaced wide enough apart and fill up with mud. Then you have a nice mud bearing your riding on and pretty much useless.
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post #9 of 26 (permalink) Old 06-02-2019, 01:08 PM
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I know you don’t want to here this but. Big rice tyres will paddle Through real good if you have a bottom. And if it’s that wet you will have to till the field after anyways
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post #10 of 26 (permalink) Old 06-02-2019, 01:54 PM
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And don't forget the option of adding four wheel drive if its not equipped with it as rear tires that sink and hold back the fronts cause the front tires to spin and down they go.

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