Changing truck tires on spreader rims

BarnyardEngineering

Well-known Member
Location
Rochester, NY
Just picked up a cheap old manure spreader to use as a firewood trailer, with a tire that has a split in the sidewall that won't hold air.

10.00-20... It's a drop center rim, not a lock ring.

I'm no stranger to changing tires the hard way even big tractor rears. These tires are as thick as a big tractor tire but don't have the advantage of the large diameter rim.

Is there a "finesse" way to mount these tires or is it just straight up bull work? Dad took a 20" tire off a silage wagon to the local tire guy a couple years back... After the tire guy got it changed, Dad was told not to bring in any more.
 
Driving up on it on a hard surface with one tractor rear tire (maybe 1/3 on it) then smashing it off the rim with a loader or driving on it while held down to break the bead is effective. A 3 foot truck
leaf spring (single leaf) is a great tool, or two of them. Keeping the bead in the drop center opposite of the prying over the rim edge is way important. Cutting the tire off the bead after breaking
the bead will make it simple to remove (not before the bead is off the running location!) Jim
 
I was a truck mechanic for 40yrs, and back in the day we had 10.00x20 tires, tube type mounted on rims with the split ring, assembled to a Dayton hub. The tubeless equivalent was 11.00x22.5, mounted on a drop center rim. Sometimes the tubeless tires were on Dayton rims and sometimes on Budd rims. Anyway, I wonder if that tire should have been mounted on your rim, which could make it harder to remove. We always thought the 11x22.5 was harder than the larger 11x24.5.
The way to change any tire is to remove from the side of the rim with the shortest drop. Get both sides broke down, and lube the beads-we used a special lube called Frylube- but the main thing is get the bead lubed. Using tire bars,(or whatever you got), insert both bars about 6-8inches apart and pull the over at the same time. Then remove one, reinsert it where the bead is almost over the rim edge. Repeat til that side is off, then lift the tire, insert one tire bar from down/outside and pop that bead off the rim. This is the side where you really need the lube. Mark.
 
I learned to hate air up those 11X22.5 tires when new because it always seemed the stored them stack on top of each other so the bead sat an inch or more away from the beads. Never did like using starter fluid but some time that was the only way to get hem to seat. I switch my 1963 Diamond-T from split rims to the 22.5 rims
 
I can remember many years ago when my dad bought a brand new flail spreader.
Came shipped with the rims laying in the body. We went over to the local cement
plant and started digging through their junk pile. There were tires with
perfect treads and a big gash in the sidewall. All of the way down to bald
tires that were recaps. That is what we took home. He took them to the truck
shop in town to get them mounted WITH tubes. Hey...they were round and held
air.
 
When I got out of high school my first job was working for an AC dealer. The dealer also sold New Idea equipment. Spreaders always came in without tires on the 10:00 20 rims. The New guy had the job of mounting the tires on the drop center rims. I always held my breath when I started to inflate the tire, was afraid I'd pinched the tube during the mounting process. What memories.
 
Old has it right with lube and the right bars it is not to bad. I use the Murphy soap and tire bars. I've had the bars for 20 years or more. 1 spoon and one with the other has a second curve in it with a flat on the other end. Both about 3 feet long. Prying it over the side with the drop side closest to the edge of the wheel.
 
Got the tire changed. It wasn't so bad. I've seen worse.

Took off an 11.50-20 that had a big split in the sidewall. Tube had a pinch in the same area but was otherwise a fairly new Firestone tube.

We put a big ol' 5" patch from 1986 over the pinched area, and left it a couple days to make sure the tube would hold air.

Put on a bald old 9.00-20 snow tire. I've done worse tires in my life. Worst part about the whole thing was getting the valve stem threaded through the hole in the rim. Pinched my finger doing that.
 

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