11.2 vs 9.5

[rrlund]

Anybody know if there's much difference in height between a 9.5 24 tractor tire and an 11.2 24? I've looked online for a tire chart that might tell me,but no luck.

The 9.5 front tires on my FWA loader tractor are worn smooth as a baby's backside from running on concrete. I put new tires on the rear a few years ago and the synchronization is shot to heck. I found a good looking pair of 11.2s,but I don't want to throw things off in the other direction.

I kind of thought a pair of older tires might be harder rubber than new ones and might give me a little longer life.

 

[old]

The 9.5 is 1.7 inch narrower then the 11.5 so it will be about half the 1.7 taller

 

[ptfarmer]

According to BKT tires a 9.5 is 41 1/2" tall, the 11.2 is 43 1/2".

 

[rrlund]

Trouble is,I put new BKTs on the back and they're taller than the tires that were on it when I bought it. Squeeze those 11.2s in on a narrower rim and they might add even more height than that. The ones I found are mismatched. One's a Firestone,I don't know for sure what the other one is. The tread pattern is a little different.

 

[ptfarmer]

What make. and model is the tractor. A little bigger tire in the front is not a bad thing I don't think. When you use the front wheel assist I would think it would be better for them to spin a little faster than the rears so they help pull rather than still being pushed by the rear tires.

 

[rrlund]

It's a Fiat built Oliver 1365. The trouble I've had with it being out of sync is that it'll pop the transfer case out of gear after it binds up just so far. It didn't used to do that with the rear tires that came on it and some tread on the fronts. I've had to drop the transfer case out a few times because it popped a snap ring right off the output shaft.

 

[David G]

Your manual should state the acceptable tire combinations.

What is in it?

 

[ptfarmer]

Should have 16.9x30's in the rear with the 9.5x24's in the front.

 

[GarryinNC]

Does it bind up even on wet, slippery, muddy surfaces or just on a hard surface?

 

[lastcowboy32]

It's playing roulette to use any size tire that the tractor didn't originally have.

Also playing roulette to ever use the front wheel assist on any surface other than snow or dirt.

Tire width and tire height are related. Just looking at my Ford 2N and Ford 3000, both have "28" tires. One has 11.2-28, the other has 13.6-28. Those couple of inches of width add a substantial height to the tire, even on the same rim.

And this is coming from somebody that would MacGuyver just about anything... I would never dream of using anything other than original rim size and width tires on a tractor with 4WD.

 

[John Deere D]

I'm unable to answer your question....

With that said,my Neighbor owned a made in Europe FWD ??with a loader..
.
He changed the height of the front tires...?.Cap Screws that held CROWN GEAR to the Differential sheared off...?..he was using the loader on dry ground to move top soil..

I'm unable to recall the height gained by changing the tires...?.


Bob......

 

[rrlund]

Maybe we'll never know. I went and got the tires this morning. One was a real nice Harvest King,still had the rubber between the cleats,the other one was an old Firestone. I replaced the worst one of mine with the near new tire,put the Firestone on the other side. I went out and put the bucket back on the loader. It seemed a little like I had reversed the problem. Instead of the back pushing the front,the front seemed to be pulling the back a little. I let it sit in front of the barn for about an hour and a half and the Firestone was about flat. I drove it about 100 feet so I could reach it with the air hose and there were two holes in the sidewall about big enough to stick your fist through. I put the better of the two 9.5s back on that side. That's just the way it'll have to be for now.

 

[ptfarmer]

Just going to have to save up for 2 9.5's

 

[rrlund]

Maybe they'll take a nice Harvest King on trade. LOL

 

[Traditional Farmer]

My 1365 4WD has the 16.9 on the back and the 9.5 tires on the front,if I run on a hard flat surface the drive line tends to get 'tight',I'm pretty sure the rear is running slightly faster than the front so 1 size taller tire might actually solver the problem make the fronts run a little faster.I only use the 4WD if I need it in slippery conditions so it doesn't matter much,with a loader it'd be a lot different.