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Trailers with Multiple Axles / Tire Wear
Posted by Tim on March 17, 2006
Is there a calculation or guideline to estimate the extra wear on multiple axle trailers tires vs single or dual axle?
There is no way to calculate the extra wear from multiple axles since tire size, load, placement of the load on the trailer, service conditions, etc. all would have an inpact on the wear rates of each tire in each axle position. It is safe to say that no matter what the set of conditions, the trailer will tend to pivot on one of the axles and drag the tires on the remaining axles a bit sideways. This, of course, will wear these tires more quickly than the tires on the "rotating" axle. The farther the axle from the "rotating" axle, the more the scrubbing will take place.