Big Horn

Does any one know of any E load rated 315's or 35's? The only ones I can find are D rated. The OEM 265's are E rated, 3150lbs @ 80 psi. I think the BFG 315's are are D rated 3150lbs @ 50psi. I wanted to go with a bigger tire, but I pull a 24' goose neck, and it is loaded heavy pretty often. Right now I am looking at the Toyo Open Country AT 285/70/17, I think it is E rated at 3750 @ 80psi and I know it is a very good tire, but if there is a bigger size that will carry a good load I might go with it.

PsRumors

I don't think there is.

phox_mulder

PJ Dirt Gripz are available in a 35x17 E.

Make sure there is plenty of space under your chin once you see the price though.

$270 each from http://www.natltire.com/

phox

99 cummins

Truxxus makes several models in the E ratings.

YFZPILOT

I'm running the nitto Terra Grapplers in size 295/70/17..Sweet tire very good size for my 3500. The tire is very quiet and a little more aggressive than the BFG all terrain. It also has a higher load range than the BFG. I just went and checked the specs on the 2006 tire I have it's lt295/70/17 123r what this mean is it has a load rating of 3417 and a speed rating of 106. It is a D ply tire but has a load rating higher than some E rated tires. It also has a psi max of 65lbs not 50 like the BFG. I pull a 13,000 pound toy hauler 5th wheel.

99 cummins

Don't be fooled by a load rating, it's not what count's. The load rating tells you what a tire is rated to on the tread surface, the alpha rating is the side wall weight limits. That is how many PSI that tire is rated to when your rolling those side walls around the corners.

bbhzx12

Check out the Pro Comp Xtreme AT's. I've got the 33x12.5 on OEM wheels, they make bigger sizes as well. E load range, quieter than expected, good treadwear, and great traction on pavement or snow.

YFZPILOT

I'm not saying that the D rated tires are better than the E's. I'm saying for a D rated tire it has a very high load rating and max psi, compared to the BFG's that I see a lot of 3/4 and 1ton trucks pulling big 5th wheels and t-trailers using.

Big Horn

So where do you find the alpha rating? Is it the number of plys? like E = 10 ply, D = 8 ply Ect. And how does it relate to the load rating?

99 cummins

That is the Alpha rating, I don't remember the exact number of PSI for each class but the weight of just our trucks on the front end are right on the margin of D and E with the weight of these motors. If your truck is a commuter and you don't do any heavy haulin D's would be fine but if you put any real weight in or behind these trucks you are way over the D rated tire capacity. I had to fight this info out of a goodyear factory rep over the phone from a dealership because nobody could explain why the D rated's had a higher weight rating than the E's in a smaller size and I wasn't stoppin until I understood it. They won't advertise this fact because they don't want to make the E'rated tires in the larger size, to limited a market. At the same time they don't want to lose our business because we now know there tire are not adequate for our trucks. Tire blows, it's not there fault they didn't rate it for the weight our trucks carry. No lose situation for them as long as not many people know this fact.

YFZPILOT

So why have a load rating on a D tire that is adequate for pulling if you can't use it? My terra grapplers have a load rating of 3450 which is more than enough for my 10,000 pound toy hauler 13,000 is fully loaded. The michelin tires on it have a load rating of 3195 @ 80psi. So what is better to go over the load rating or over the Alpha rating?

YFZPILOT

I guess it's better to not go over either. But if you had to choose?

4x4not

It's all in the sidewall. A smaller E rated tire with a lower weight rating will have a firmer sidewall and handle side forces better than a larger D rated tire with a higher weight capacity.

Ramtough

My nice weather tires are Dick Cepeck Funcountry 2's, they have been redesigned by owner mickey thompson. Nice big tire that I have in a 35x 13.50 x 20. I have them on some 20x 9.5" inch wheels and their perfect. Seems like they will last a good while and they ride pretty good to boot. Their width does make the ride a littly more bumpy but the cornering and grip is great. (No doubt due to the smallish sidewall and e rating). Worth a look if your into other wheel sizes.

Patriot_RAM

I hate to open up this can of worms again... but here goes. I had the BFG load range D 315's on my truck. I had the death wobble with those tires. The day I changed to a load range E Parnelli Jones, I never had it again. I won't go back to a load range D. The front end was bouncing around a corner like a basketball. I went across the other lane of traffic which luckily didn't have any traffic in it at the time.

The sidewalls on the lr D tires I had "mushroomed" quite a bit on the front of the truck. The PJ's don't at all. The truck handles better and has less corner roll.

That being said, the PJs wore surprisingly fast.