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Allis Chalmers Discussion Forum

Model B rear tire traction.

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03-14-2004 09:42:54

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I just put new tires on a 1947 Model B. I removed the calcium chloride from the rear tires because it was starting to corrode the rims. However, I plan on using the tractor this spring to start plowing and discing small food plots. Did I make a mistake by not putting the fluid back in the tires? If so, is there a better alternative to calcium chloride? I have heard of rear tire weights, but have not been able to locate any. Thanks for anyone's help in advance.

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peter h

03-16-2004 15:54:15

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 Re: Model B rear tire traction. in reply to Tom, 03-14-2004 09:42:54  
I have a 39 allis b and added 450 lbs of
olympic cast iron weights(10 45lb weights). Bolted them to the rear wheels. Split the first
weight in two.Total cost was @ $200.

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03-14-2004 11:36:46

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 Re: Model B rear tire traction. in reply to Tom, 03-14-2004 09:42:54  
Rod is right but if your worried about it just fill them with windsheild washer fluid, its not as heavy but it works well and it will not harm the rims either.

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Rod (NH)

03-14-2004 10:47:39

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 Re: Model B rear tire traction. in reply to Tom, 03-14-2004 09:42:54  
Hi Tom,

I think you will need to have some extra weight on the rear of a B unless you have awful easy soil to work. Might even want some on the front too, also depending on the soil. The B is pretty light all the way around. That's why cast weights were made for it - both front and rear.

I don't want to start another calcium war here, but I have used calcium chloride in my two tractors for over 40 years without any serious problem. My B has loaded rears and my Oliver 77 has loaded fronts and rears. As long as you use tubes and pay attention to the condition of the valve stems, you won't have a problem. When the small valve in the stem starts to leak (and it will in a few years), the calcium solution will seep up in between the tube and the rim and begin to cause problems. If this situation is left to fester for a time, the rims will eventually be consumed by corrosion. The solution is to always use tubes and maintain the valve stems.

You will hear many horror stories about calcium that could have been avoided by proper maintenance and care.

Apparently there are some alternatives but I am not aware of anything specific because it has not gained my interest. Calcium will likely give you the most weight for the same volume however.

third party image Rod

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Bryan Smith

03-15-2004 06:01:34

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 Re: Re: Model B rear tire traction. in reply to Rod (NH), 03-14-2004 10:47:39  
Calcium Chloride has been used down here in the South for years also, but there's another alternative we use - automotive antifreeze (common ethylene glycol) and water. It can get somewhat expensive for large tires, but for tires the size of your B's it's not bad at all. We fill the tires with water and add the appropriate amount of antifreeze depending on how concerned we are with freezing (remember, down here it's a fairly rare day when we see single digit temps - usually less than 6 or 7 times a year). Works great and has a rust inhibitor in it, so no corrosion.

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JB in VA

03-15-2004 18:16:07

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 Re: Re: Re: Model B rear tire traction. in reply to Bryan Smith, 03-15-2004 06:01:34  
Bryan, I too am in the south and have read up on CC weighting and I have wondered if one could use std. antifeeze instead. I have never seen anyone else say anything about it.

How long have you been using it? How far south are you? I am near Richmond, VA. What proportion have you been using?

Thanx in advance.

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Bryan Smith

03-16-2004 05:36:06

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 Re: Re: Re: Re: Model B rear tire traction. in reply to JB in VA, 03-15-2004 18:16:07  
We've been using antifreeze& water in rear tires for probably 40+ years - maybe longer. My earliest memories included Dad telling me about the antifreeze in the rear tires on a WD45 or a D17.

We haven't been trying to put 1/2 antifreeze and 1/2 water in the tires - we really don't need protection down to 40 degrees below zero! And, if it does freeze once in a while no big deal (I've driven an AC 200 with frozen ballast for a while. It thawed out later that morning, and at 5 to 6 mph it was no big deal. That was with 23.1-30 rears. I wouldn't do heavy tillage with frozen ballast, though.)

We usually put about 1 gallon of antifreeze in the front tires and maybe 2+ gallons in the rears depending on how large they are. Protection down to +10 degrees would be more than enough down here (I'm in SC, about 50 miles above Columbia), but I doubt the 2 gallons protects much at all. Really we're using the antifreeze fro corrosion protection as much as anything. If I remember correctly we put 2 gallons of antifreeze in each rear tire on a tractor with 16.9-34 tires on it and we use it to feed hay all winter. No problems.

I'll see about getting a chart together that shows some tire sizes and the gallons of water needed to fill them to the top of the rim for ballast and put it on my website (link below) later today. That way you can make your own decision about how much to put in based on your temperatures.

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Bryan Smith

03-16-2004 06:54:37

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 Re: Re: Re: Re: Re: Model B rear tire traction. in reply to Bryan Smith, 03-16-2004 05:36:06  
OK, the page is up - look on the left column for Tire sizes and liquid ballast volumes. Not all tire sizes are there, but enough to give you an idea. Looks like we put 2 gallons of antifreeze in a 16.9-34 tire that holds some 190 gallons of liquid ballast, so we're really only getting some corrosion protection from it. You folks in colder climates may want to add a fair amount more antifreeze than we do. Could get pricey, though.

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