Tires

Apparently they ride better...way better. Would love to hear from someone who has Peterbilts...
 
We only use Michelin XZA3 steer tires. We have done some tests and found they are the best. We take them off of our long haul tractors at around 135-150,000 miles (215-240,000 km) and put the pair side by side together on a trailer and get an additional 200,000 miles in that position.
They also were the tire that had the least amount of road debris issues (nails, sidewall cuts, etc) but that just might be the luck of the draw. In our tests and to this day we have only had one with a nail in it where our other test tires seemed to pickup nails. Its not a decision maker but the results were surprising.
The drivers prefer this tire too...

We have done a similar test with trailer tires and found the best to be the Bridgestone R197. We use Michelin XDA Energy for our tractor drive tires.

All these tires are low rolling resistance tires that get excellent wear.
 
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Jim L...THANK YOU VERY MUCH!!! We are going to take your advice. The truck is running on the XZA3's right now and the driver is very happy. They are a wee bit pricey but it sounds like ultimately, they are the most cost effective. First Pete of the fleet so we were unsure.
We use the Bridgestone R197's and agree with you. They are an excellent trailer tire.
 
What you may have been told is that if your Peterbilt is to be SmartWay certified, there are only certain SmartWay certified tires that you can use. Michelin is one of them.