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I just loaded two tires 18.4" x 26" with about 75 gallons of liquid each. I put the valve on top and raised the drum up to about 6' above the ground. Then I let the air out of the tire and ran a hose from the drum of liquid to the the valve stem and hose clamped it in place. I put a weight on the end of the hose to be sure it would stay on the bottom of the drum of liquid. Then I jacked up the tractor so that the tire would retake its natural shape and created a vacuum to begin siphoning the liquid out of the elevated drum. I went and did some chores and in about 20 minutes I removed the hose put my thumb over the end of the hose and let the captured air out of the tire. Then I slipped the hose over the valve stem and reclamped it for another 20 minutes. It took about 2 hours to fill the tire. I filled the tire to the valve stem leaving the remainder for an air pocket and to allow the tire to be compliant to the ground. As far as non-freezing liquids, there is an abundance of antifreeze mix available. All trucking terminals are frequently changing antifreeze to restore the cavitation inhibiter used in diesels. I have a friend who lets me know when a drum at his place is filled and I take it home. When there is enough I'll fill a tire. With the weight of the fluid at around 8 pounds per gallon and I have 75 gallons per tire this is about 600 pounds per tire. If calcium chloride is used there will be about 300 pounds total additional for both tires. For a free souce on fluid, I'll take the 1200 pounds and be happy instead of the 1500 pounds if CaCl is used. Also, my tires are tubeless and I didn't want the CaCl directly exposed to the steel rim. The only problem is that ethylene glycol is sweet and poisonous. We lost a kitty several years ago who lapped up some of the sweet stuff from a pan in the garage. You must decide what is best for you and where to make the risk. Methanol is wood alcohol and is poisonous, also. KRM
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