This may sound whacky, but I've found the process of mounting tractor tires/tubes to be the same as mounting bicycle tires/tubes, just on a much bigger scale. Instead of using a little four-inch plastic tire iron, you need a 30-inch serious tire iron. The rest of the issues are similar...gotta be careful about pinching the tube with the irons and such. I mounted my first tractor tire just last year on a C. I asked my local tire shop where they got their tools and they referred me to a retailer in town where I bought the irons and a bead breaker. Breaking the bead is definitely the hard part! (And, the one thing that I never had to do on a bike. ;-) The tire guys sold me a sledge hammer with a blade-like end on it that you whack the tire sidewall with. I found it a tricky process -- you gotta whack the tire as close to the rim as possible with a lot of force, and dinged up my rims a few times before I found a better way: My neighbor showed me a slide hammer designed just for this purpose. It's a big bugger...weighs probably 40 or 50 pounds, but it's really the way to go. Just put the blade end on the sidewall right by the rim, pull back the slide hammer and just let it drop. It still takes a bunch of whacks, but at least its accurate and easy. fyi, you can find a pic and some prices on these tools from Miller Tire...link below. Click on the link for Repairs/Supplies to see the tools. Good luck! - David
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