Quote:
Originally Posted by kowbra
I've not run 19.5s on my pickups but in the past was trucking and they are used on low profile trailers. The problem with 19.5s is that they are an oddball commercial tire. The normal trailer size is 22.5s and they can be found everywhere, they are good and relatively cheap. The 19.5s can be great tires, but harder to find and not cheap.
I would recommend you look around for pricing and availability before you make the switch. One other thing to check is that you may not find rims to match your bolt pattern so may be faced with adapters, which will put added strain on your axles and hubs, as well as trickier to get torqued properly.
I think what you are experiencing is the mileage from the crappy factory tires that still seem to come on duallies. As an alternative, look at the many good brands out there to find a long wearing tire. I haven't had a dually for a long time, but have had good success with BFG, Goodyear and Michelin. You should expect twice the mileage you are getting now if you upgrade to a better replacement tire.
But, let us know more about what you've tried and perhaps other reasons you are considering a change.
hth,
Brad
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The tires on it now are Michelin’s that replaced the OEM. Tires. Why would they (Ram) put on 17’s rims and tires on their towing beast ? The 4500/5500 come with commercial tires and 10 lug rims. 19.5 tires have been around a long time and I don’t think they are an odd ball size, but that’s just my opinion.