Toyo Open County AT III (AT3)

From my understanding, beads/Equal are for specific applications like 18 wheelers. You should not have to use them in a tire of this size or a normal road going application. I've only used them in offroad applications where I had bigger tires and had to drive on the road too. I've even used airsoft BBs and they worked. Was actually kind a fun listening to them hit the rim as I came to a stop. Either way, I used them as a much cheaper and easier alternative to my tires going out of balance every time I knocked a wheel weight off or if I ever blew a bead while aired down, but it wasn't the "right" way.

I could be wrong, but I don't think the imbalance just goes away. The beads just pick up the weight differences from inside the tires as the tire creates centrifugal force as it rolls. Essentially, it's putting a band aid on the real problem of a bad tire, the mechanics balancer is broken, or he doesn't know how to use it.

I guess my point is that I am surprised a shop would resort to using such balancers on this application rather than finding the real issue.

Thanks for your input. I'm going to call another shop and get their opinion as well. I"m really hoping these guys didn't just take the easy way out.
 
Thanks for your input. I'm going to call another shop and get their opinion as well. I"m really hoping these guys didn't just take the easy way out.

I think it's definitely worth a second opinion. I'm just a guy on a forum, but that's what I would do.
 
AT3 experience

I thought I would share my experience with AT3’s so far. I have these on my work truck, 2016 Nissan Frontier, P-Rated 265/75-16. I have had KO2’s and DuraTracs on other vehicles.

The AT3’s handle everything on the road quite well in the wet and dry. No complaints there at all. In snow I thought they were mediocre. In TN we often have a nice layer of ice underneath the snow, and I slid off my driveway this year and ended up taking my old T100 with Duratracs to work in the snow. The DuraTracs are much, much better in the snow.

We have a lot of gravel roads and steep gravel inclines here and the AT3’s are pretty impressive on gravel…better than the appearance would have me believe anyway.

Muddy slopes are where these have failed me on multiple occasions. Vehicle weight matters in these conditions and my work truck is often loaded down with gear, but we have a lot of clay-mud in TN and the AT3’s don’t handle it well at all.

I’m currently in the market for new shoes for my 5th Gen 4R, and these are not on my list primarily because of their mud/clay performance.

These are my experiences from our conditions in TN.
 
Just wanted to add my comments regarding these tires , just replaced the stock AT-20 tires on my 2021 TRD-OR after 14,000 miles with the same sized Toyo AT3

Should have made the switch sooner, the AT3 beats the stock tire in almost every way.

1)Stock tires often had a slight shimmy / vibration that would come and go at around 50 MPH, no such issues with the AT3.

2) Stock tires had a flappy / jittery feel to them when going over small bumps or road imperfections, I initialy attributed that to the stock suspension but that trait has all but vanished now when riding with the AT3

3) Greatly improved off road traction in sandy and muddy conditions. also when traveling on gravel roads the stock tires liked to pick up and fling rocks a lot, this has been reduced considerably with the AT3.

4) AT3 looks better and is snow rated.

5) The asymmetrical tread pattern does a commendable job at reducing road noise / whine, they are almost as quiet as the stock tires and not bothersome at all for me.

6) Stock tires weighed in at 42 lbs vs 45 lbs for the AT3, the AT3 were a good 1/2 inch taller

7) Preliminary MPG testing shows a 1/2 to 1 mile hit in fuel economy probably due to the higher rolling resistance from the more agressive tread pattern on the AT3

Overall I am very impressed with this offering from TOYO.
 
I see the 265/70R17 weight given at 39 lbs. on Tire Rack and 41 lbs at Discount Tire.

Don't know what they actually weigh, but I love mine so far. (Purchased in February at Discount Tire.)

I seem to be taking about a 1 mpg hit.
 
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I see the 265/70R17 weight given at 39 lbs. on Tire Rack and 41 lbs at Discount Tire.

Don't know what they actually weigh, but I love mine so far. (Purchased in February at Discount Tire.)

I seem to be taking about a 1 mpg hit.



I weighed them on a bathroom scale , not the most accurate but there was a 3 lbs difference beween the two for sure.
 
The same two websites list the Dunlop AT20 at 39-40 lbs...

I never weighed mine, so I just rely on the published info.
 
I just put on 285 load C and have nothing but good things to say. I do have one question through: what is the difference between the 285 C load and E load?

Somehow Toyo says the C load is 55 lbs and the E load is 53 lbs? What kind of sorcery is going on here? Wouldn't the higher load range tire weigh more? For KO2s the C load is 51 lbs and the E load is 61 lbs, which makes sense to me.
 

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I just put on 285 load C and have nothing but good things to say. I do have one question through: what is the difference between the 285 C load and E load?

Somehow Toyo says the C load is 55 lbs and the E load is 53 lbs? What kind of sorcery is going on here? Wouldn't the higher load range tire weigh more? For KO2s the C load is 51 lbs and the E load is 61 lbs, which makes sense to me.


Aside from a legit typo I’m thinking it’s just got to be a different compound. Stiffer but not as heavy.

Today’s tires are rated in ply - equivalent units so there’s no requirement that it’s thicker. Just that it meets the metrics and ratings.


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Looking at 265/70/17 in SL rating. The site is saying they are 39lbs, is this legit or a typo? Comparable tires in that size/load rating is about 45lbs-ish. Can anyone confirm? I'm choosing this tire for weight but don't want to be surprised if they are heavier after the fact. TIA!
 
Looking at 265/70/17 in SL rating. The site is saying they are 39lbs, is this legit or a typo? Comparable tires in that size/load rating is about 45lbs-ish. Can anyone confirm? I'm choosing this tire for weight but don't want to be surprised if they are heavier after the fact. TIA!

I think the OEM tire wieghs 40 lbs so that doesn't sound unreasonable.
 
Looking at 265/70/17 in SL rating. The site is saying they are 39lbs, is this legit or a typo? Comparable tires in that size/load rating is about 45lbs-ish. Can anyone confirm? I'm choosing this tire for weight but don't want to be surprised if they are heavier after the fact. TIA!

Sounds right for stock size in passenger load.
 
It does sound reasonable. But looking at KO2's and Wildpeaks in 265 standard load, their weight is 45/46lbs-ish.

As as side note, Toyo AT3's at 285/standard load is only 46lbs.
 
It does sound reasonable. But looking at KO2's and Wildpeaks in 265 standard load, their weight is 45/46lbs-ish.

As as side note, Toyo AT3's at 285/standard load is only 46lbs.

45 lb KO2s in 265 are LT C load. There is no SL KO2.

Wildpeaks are a heavy tire compared to others of same size and comparable load rating.
 
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Are there any issues with the AT3s in 265/70r17 p-rated on forest service type roads. I’m wanting to try them or the Michelin Defender LTX M/S because of the weight. I do alot of highway driving, but drive on forest service type roads when I get to my hunting area.

I currently have BFG KO2s and love them. Just wanting to try a lighter tire to try to save on gas.
 
Are there any issues with the AT3s in 265/70r17 p-rated on forest service type roads. I’m wanting to try them or the Michelin Defender LTX M/S because of the weight. I do alot of highway driving, but drive on forest service type roads when I get to my hunting area.

I currently have BFG KO2s and love them. Just wanting to try a lighter tire to try to save on gas.

They should be fine. I am located in the midst of state and national forests and live on hilly, rough gravel roads. I had the P-rated AT3s installed in February and love 'em.
 
Are there any issues with the AT3s in 265/70r17 p-rated on forest service type roads. I’m wanting to try them or the Michelin Defender LTX M/S because of the weight. I do alot of highway driving, but drive on forest service type roads when I get to my hunting area.

I currently have BFG KO2s and love them. Just wanting to try a lighter tire to try to save on gas.

You'll probably be fine with just the Michelins on FSRs. Lots of reviews of them on the expedition/overland forums and are really good in most conditions.
 

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