Looking for a 35 12.50 18 or 325/65/18 all terrains that are other than E rated. Currently have trail grapplers that are E rated and they ride like they are filled with concrete.

Unfortunately I'm may need to ditch the 18s to accomplish this.

Thanks.

 

Most tires for 17, 18, 20 are going to be load D or E range...

 

That was one of the main reasons why I went with 16s. The major pitfall to 16s though is tire selection. Tough to find 37s!!!

 

"C" rated is good enough for a "light" (in truck terms) Jeep. "D" and "E" are better on full size trucks that carry heavier loads. Mine's doing primarily DD duties so lighter tire is better for me.

 

It's unfortunate that tire companies assume that everyone with 18" wheels is driving a crew cab 1 ton diesel truck pulling a 15000# fifth wheel.

 

My E rated Trail Grapplers ride smooth as glass, and I'm running 18"x9" rims myself. I like them because they only weigh around 71-72 pounds per tire.

 

The amount of plies a tire has is solely for the purpose of carrying more weight. It doesnt make it more resistant to punctures and it doesn't make it wear slower. A class C tire is 6-ply and for every letter up two plies are added. (ex. C=6, D=8, E=10 etc.) That being said the amount of plies only pertains to the actual part of the tire hitting asphalt. Not the sidewalls.

That being said...there are several tire companies that make the same tire with different ply ratings. (ex. 285/70r17 BFG All Terrain) The tire is made in both C(6) and E(10) ply ratings.

There are tires, however, with 3-ply sidewalls. The BFG AT and YOKOHAMA ATS being two examples. Most will only be 2-ply.

For a jeep, being as light as it is STOCK, I wouldn't do more than a 6-ply tire or else u will not only have a stiffer ride BUT u lose traction because a 10-ply tire is made for the weight of a 3/4 or 1 ton vehicle such as the heavy duty pickups. That being said...if u do plan on doing alot of mods to the jeep u may want to consider goin ahead w a higher load index.

Make a long story short...if you are going to keep the mods minimal I would go w a C-class tire. If u gonna out several heavy mods and will need to carry more load...spend the extra dough and get a tire capable of carrying more weight. The only difference bw a 6-ply and a 10-ply is load index, not tread-ware and not puncture resistance.

 

Ditch the 18's and drop down to 15's. C rated tires available in any size and the cost is far less than an 18" tire. The extra sidewall looks awesome too.

 

Sounds like you have way too much air in them. Mine ride fine. Check your pressure. I run mine at 30psi and could probably go lower

 

Are 15's squirly on the highway?