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construction style tires

I

INCase

Well-known Member
I know on rear farm tractor tires they are supposed to have a certain amount of bulge at the bottom when properly inflated to get maximum contact to the ground.

for construction style tires (like those that come on say a newer kubota) do they follow the same guideline? I would think so as they would also need maximum contact to have maximum traction too.

I think The dealer really over inflated the rears on my FIL's kubota such that only the center of the tires touches when on payment or concrete. that thing has 0 traction even when in FWD. i'm sure there is no fluid in the rears and there are no wheel weights. not sure if they make/offer wheel weights for those. its a 2650.

thanks.
 
As far as tire pressure it should be listed on the tire what pressure it should be. It sounds like you have the wrong type tires for what you are doing.
 

Rear tractor tires usually do not have the correct pressure stamped on the tire. The correct pressure is recommended by the tractor manufacturer, and it will vary according to what the tractor is being used for, or what implement is mounted on the tractor. The owners manual should have a chart.
 
Construction tires are built for wear on hard surfaces, they don't have much traction really. I know they are popular as a half way for use on lawns and on loaders to try to compromise.

I suspect they use a lot of pressure to help with the wear on hard sirfaces. They might have a lower pressure rating to help with traction, but would need to look at the manufacturer info to find out, too little pressure on a stiff hard compound tire will lead to cracking pretty fast.

Paul
 
unfortunately that's what it came with and NO way to get my Father in-law to do anything different.

my dad's kubota with a hybrid turf type tire has better traction.
 
tractor and other tires are often inflated to maximum rated pressure for shipping to remove bounce so load binders stay tight, and should be adjusted as needed when put in service, so I've been told. most owners manuals will have inflation charts that should show correct pressure for different loads, you may need to get your axle weight with the equipment installed that you are using most of the time and determine the correct pressure for your use. for instance a mounted finish mower may require one pressure and if you are using a round bale fork with 1500 lb. bales it may require more pressure to keep from damaging tires due to under inflation.
 
So-called "industrial" (R-4) tires are intended to slip when doing FEL work to avoid digging holes. They are not designed to aggressively grip the ground as are R-1 tires.

Pressure adjustment will produce some effect as will weights but R-1 tires are needed for traction.

Dean
 

Because the Kubota is fairly light you will have to add weights in order to get the squat that you want, or reduce the pressure to probably under eight lbs.
 
Add fluid. Maybe take a little air out. Don?t under inflate if you are doing yard work. Those tires are made for higher pressure and probably have heavy sidewalls so the sag you are wanting might not be obtainable
 
Any dealer that sells a tractor with loader without ballast in the rear tires is just not doing the customer (YOU) right. You will need fluid and maybe two weights to the side in the rears to have any use out of the loader. Start out with something like 13 to 16 lbs air in the rears after you get the fluid.
 
I sold and installed Rear tractor tires for 22+ years. I never saw a recommended tire pressure on the sidewall. What size are your tires. We need to know that to give you the correct answer.
 

I got R-4s on my little Mahindra with loader and 4WD. Haven't had a traction issue yet. They seem to be pretty much flat across the bottom, making full contact with the ground.
 
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