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What Would Cause One Of My Trailer Tires To Wear Faster Than The Other 3?  

Updated 08/21/2025 | Published 08/17/2025

Question:

Based on some of your axle answers, Ill ask this..... I have a Kaufmann 20foot tilt car trailer, metal bed, with 2 4K axles. I use it a lot to make pickups for my company with the 1st 350 miles empty and the return with maybe 2500 lbs load. I have just 1 tire, drivers side, rear that the outside edge is wearing out MUCH faster than the rest of the tire or the other tires. Before reading your page, I looked under trailer and thought my axle was bent due to bowing upwards, but guess that is normal. Do you think my tire wear is just miles unloaded a/o under loaded? Why just 1 tire?

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Expert Reply:

Hey Henry,

I would say the most common cause is under/over inflation causing one to wear out faster than the others. With your wear being on the outside, underinflation causes that. Bent axles/spindles or damages suspension parts can also cause the tire to lean outwards where you are noticing that wear. Worn down bearings or brakes could be the issue but it is not as common.

Another reason, since you load and unload yours a lot, is having to much load on one size. For you hauling vehicles and most of the weight being in the front its possible one side is heavier than the other in the front and that drivers side is taking the hit.

I would recommend inspecting your axles and spindles along with your suspension components like the springs, equalizer. If those are pretty worn you might want to think about replacing those.

expert reply by:
0
Nick S

Expert Reply:

Hey Henry,

I would say the most common cause is under/over inflation causing one to wear out faster than the others. With your wear being on the outside, underinflation causes that. Bent axles/spindles or damages suspension parts can also cause the tire to lean outwards where you are noticing that wear. Worn down bearings or brakes could be the issue but it is not as common.

Another reason, since you load and unload yours a lot, is having to much load on one size. For you hauling vehicles and most of the weight being in the front its possible one side is heavier than the other in the front and that drivers side is taking the hit.

I would recommend inspecting your axles and spindles along with your suspension components like the springs, equalizer. If those are pretty worn you might want to think about replacing those.

expert reply by:
0
Nick S
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