Questions about trailer tire replacements?

That’s hard to say. I’ve had the same exact tire wear completely different the next set I bought. So it’s a guess at best.

 

Regional tires are supposed to have a different rubber compound due to more turning, stopping and possible curb rash than long haul would see. I have ran both regional and OTR and I honestly haven't noticed any difference, so I would just go with what I could afford if I were you. If your truck is close to needing rubber you could always replace them a little early and run them out on your trailer. The salesman will just try to sell you what he/she will get the biggest commission on!!
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Regional is more robust and long haul is better rolling resistance for fuel savings. Your trailer/equipment application will determine. If you go on gravel a little or rough roads regional will have less tire damage. That can save you money over replacing tires every few months. Steer/all position tires do great on trailers. Drives can be put on trailer but don’t last long there in my experience. I recap all my tires to trailer by a local retread shop. I am very satisfied with the results. I use their custom molds vs the factory treads. I lose some rolling resistance but tires are stout. I trust the shop completely, however I would have less confidence using retreads from an unknown shop. My favorite virgin trailer tire for my reefer trailers are BFG highway control T.

Tire Selector | BFGoodrich Truck Tires

they are affordable, durable, and last long.
I have used Bridgestone 123 and the tread lasted long. Sidewalls and tread were not great with rough wear such as potholes, nails, or curbs. But if you can avoid all those they wear good.

Choosing tires is looking at what tire characteristics are important to your style. It’s all a compromise in different benefits.

 

You can but they will have a bit more rolling resistance. All position tires are better, but not needed on trailer.

 

@Yosemite_Sam , post on here BEFORE you purchase your tires, will let you know yay or nay.

 

I have always ran brand name tires on my tractor. I have ran brand names on my trailer, and off brand on my trailer. I have gotten about the same service life out of trailer tires with brand name and off brand, so I run off brand now. I pull a reefer with closed tandems.

 

This is what I was told:
Regional tires usually have a softer compound that will wear a bit quicker but will both brake better and be more UV resistant. They are made to sit idle for longer periods and lose the "flatspotting" from sitting quicker.
Long haul tires are usually a firmer compound with better wear resistance and usually less new tread depth that promotes less rolling resistance.