ShinerBock wrote:
When I bought my truck, one of the first things I did was trade out the factory tires for better off road tires. It gets a little sloppy at the farm and deer lease when it rains. My truck came with 20's and the Nitto Trail Grappler tire I wanted was $80 per tire more for a 20" versus an 18".
Not being fond of 20" tires in general, I asked the tire store to put any 18" rim on the truck that the had in inventory that met my stock rim load ratings. The 18" rims cost me about $140 each and I ended up selling my stock 20" rims for $150 each.
You didn't pick the wheels you wanted? It isn't hard to find manufacturer weight ratings on wheels. It is important, though, because some 18" wheels are rated lower than the 3640 lbs on the tires.
I agree with all the comments saying 18" is ideal on the newer HD models. 17" aren't rated as well and 20" are more expensive and have a more limited selection.