Liquid Weighting of Tractor Tires

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We often get calls about filling tractor tires with liquid fill such as calcium chloride, so I thought it might be useful to insert an article by Titan Tire, one of our long time suppliers.

“The traction or pulling power which a tire can exert is in proportion to the weight it carries. The greater the load on the tire, the more traction effort it can exert. The way to secure more traction and reduce tire slippage and tread wear is to add weight to the rear axle.

Filling tires with liquid is one of the most widely used methods of adding weight to the drive axle of a tractor because of its economy and simplicity. Plain water may be used where freezing never occurs. In colder climates where freezing temperatures occur, calcium chloride flake can be added at the strengths of 3.5lbs per gallon of water. For extremely cold climates, 5lbs of calcium chloride per gallon of water is used. Note that calcium chloride not only provides freezing protection but also increases the weight added by 20% and 28% for 3.5lbs./gal. and 5lbs./gal. respectively.

Front and rear tires should only be filled to 75% or “valve level”. Use of fills greater than this are not recommended because the tire becomes more susceptible to impact breaks. For softer ride and better control of power hop, it is recommended that 40% fill (4 o’clock valve position) not be exceeded.

Liquid fill has a stiffening effect on tire deflection, especially at lower inflation pressure. Because of this, use of liquid fill may make controlling power hop more difficult.

Either tube type or tubeless tires may be filled with calcium chloride solution. Rim corrosion is not a problem with tubeless tires as long as the tire is always kept inflated. This keeps outside air sealed away from the rim and restrains corrosion. A rim used tubeless with calcium chloride solution must be rinsed with tap water immediately after dismounting to prevent extremely rapid corrosion.”

I couldn’t have said it better myself!

One additional thought about calcium chloride and rim corrosion. In our experience, rim corrosion around the valve stem is very common, often leading to more rim damage that can’t be seen until the tire is dismounted. It usually requires a patch be welded and the rim repainted before any tire work can be done.

Thanks to Titan for the content. You can check out there website at www.titan-intl.com.

Have a great week!

Brian

Comments

9 Responses to “Liquid Weighting of Tractor Tires”
  1. John says:

    I would like to get information on tractor tire tubes. I have a tractor with Titan Trac-Loader tires on itand I can’t find the tubes to fit the size is 43X16.00-20 I would like very much to find them so I can fill them with some kind of liquid or whatever . If you can help me I would be very thankful.
    Thank you
    John

  2. admin says:

    Hi John,

    The correct tube to use is a 15/18R19.5, part#556675 cost $59.07ea.

    43x1600x20 HEIGHT 43″ WIDTH 16″

    15X19.5 HEIGHT 41″ WIDTH 15.5″

    These tubes are in stock.

    Brian

  3. JAYWTFS says:

    Would periodically greasing around the valve stem to keep air from reaching the salt residue help eliminate the corrosion issue?

  4. janet says:

    I put too much air pressure in my tractor tires that are loaded with calcium and now it chews getting up my long steep driveways.s

    How do I now let some air out without loosing all the calcium?

  5. admin says:

    Calcium chloride, or any liquid ballast, is pumped into the tire to about 70% capacity of the tire casing.
    Move the tractor forward so that the valve stem is a twelve o’clock.. Then slowly unscrew the valve to let some air pressue
    out of the “air pocket”. I’m sure it will be messy, but that is the only way. Good luck.

  6. kingsley perkins says:

    im trying to load some tires on a garden tractor size 8/16 on a case how maney gallons in each one

  7. admin says:

    water only 9 gallons

    3 1/2 lbs calcium – add 8 gallons and 28 lbs calcium

    5 lbs calcium – add 8 gallons and 40 lbs calcium

  8. R. Beer says:

    My rear tractor tires need air. I park the tractor so the valve stem is at 12:00 and let it sit a few minutes so the calcium can drain away from the valve stem. However, if I press the valve with a blunt object, liquid comes out and at a pretty good rate. I’ve already ruined one good tire pressure gauge. I’ve even tried jacking up the side of the tractor to take weight off the tire. Did the dealer overfill my tire? Or is there a simple solution that I can do out here in the sticks? Thanks.

  9. admin says:

    Sounds like a little too much liquid above the valve stem.

    If you don’t have an air / water pressure gauge, just let the additional liquid
    flow out until it stops.

    We always fill the tires up just below the valve stem (at noon).

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