This topic has probably been broached in other threads but I couldn’t find the answer. I currently have about 260,000 miles on my truck and the drive tires aren’t looking so great. They still have between 10 and 11/32 of tread so this doesn’t have to be done right away but one of them went flat the other day and I caught it in time to fix it but if it was not fixable I would’ve had to buy a new one and I know it is not a good idea to put a new tire next to older ones with less tread. Another owner up with my company said I would’ve had to buy two new ones to go on that side of the axle but that led me to think that it might screw up the axle having one side turn in faster than the other. Then I started thinking if I put four new tires on that one axle then that would be spinning at a different rate than the other drive axle and possibly cause problems. Obviously if I need to fix something I want to spend the least amount of money and still not screw anything up so what is the rule for replacing a tire given that the other ones are already half worn? Can you do one side of an axle or just one axle? I’m probably gonna replace the whole set before winter but if I have more problems this will be good to know in case they don’t have a half worn out tire in my size.
Changing drive tires, which ones and how many?
Discussion in 'Ask An Owner Operator' started by Midnightrider909, Jun 29, 2020.
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Just shell out for a brand new set, it’s an inevitability.
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If you can only afford 4 at a time Mike Beckett from MD Alignment recommends replacing the four on the right side of the truck and leaving the four worn tires on the driver side. He says this will let the differential compensate for the size difference instead of the power divider compensating for it between the two axles.
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Try to keep all tires on an axle with the same tread depth..... and if you have to put the taller ones on the rt side , to make up for the crown in the road.
If your putting on 4 new ones , put them on the back axle, and run the 1/2 worn ones across the front axle again slightly taller ones on the rt side....
It’s best to do 8 but that’s not the only way...,
And my last truck had almost 800K on the rear ends when I sold it,and this one has 620k hauling heavy using these rules.....Last edited: Jun 29, 2020
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If you got to go new it is best to replace them in pairs of two at least. Unless you can find a used one close to same depth. Not the best to do but You can only replace the one but it will quickly wear to match the depth of the one mated to it. It is no different then putting a spare tire in its place as long as it’s the same size. $ money is always the decision maker. Do whatcha got to do. No one should fault you for that.
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You might need to change them before the winter.
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Midnight let's not complicate things.
Keep it simple ...
You have what?? ... 260k on the clock and ready for drives.
Replace them ALL.
If you are happy with the mileage and wear with what you have on it, get the same ones.
You want to get the same mileage out of a set.
You have the truck paid off, tires are not going to kill you.
And ...
Get a very good alignment.bigguns and Midnightrider909 Thank this.
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