I just put some 20" wheels on my truck that I found fairly cheap used they are almost the same height as the 285 and factory wheels the truck came with when I got it within an inch but much hevier.
my question is will it be okay to tow my 7000lbs. gooseneck trailer with another 5-7k lbs. of cargo with the 20s or should I just put the originals back on.
btw my truck is completley stock.

 

what are the tires rated for?

 

Good point never even thought about that , I was so concerned about the tranny and what not that I forgot about one of the most important things
I will look into it tomorrow more than likely that will answer my question.
thanks Prison

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Well checked the load capacity on the 20" tires 1285kgs. 2835lbs. max load single 1180kgs. 2600lbs. max load dual.
the oem are rated 1700kgs. 2835 lbs. max load single and 1550 kgs. 3415 lbs. max load dual.