tire/rim

Hey Guys, I bought a used lawn tractor and was replacing the tires. It had 20x10x8 rubbers on it. That's what I bought and I cant get the darn things on even with my tire mounting tools. :mad2: Hours and a lot of cuss words later I'm reaching out to this forum since I know you guys have the...

I have a rupp rim and tire here for sale $75 or trade for super bronc parts . I did not notice any cracks or dry rot on the tire.

i looked..and i searched (but not good with that fuction), how do you figure out wheel/rim sizes and tire sizes... i picked up a mini last spring and it has wheels/rims...but i don't know how to figure it all out.......:doah: