Toyo Open County AT III (AT3)

I’m looking at getting these in the 285 c size.

Does anybody know if they will fit on a trd pro that has a 1.5” front 1” back level with no trimming or fender mods?
 
285/70/17 C in my GX470
I feel like I’ve got a little bit of a pull to the left now so I gotta figure that out. Seems like they are under inflated because they have quite the bulge at the pavement.

How much air are you running? I chalked tested mine and 32 psi was the magic number to ride all the way across the tire and not in the center only. I have the P285.
 
Your LTs should be around 40 to 45. I have been running 41 PSI with decent results. Tread wear was higher on outside trwad when i ran 38 PSI.
 
I've owed my 285/70 C Load AT3s for 6 months now and have put them through the paces. First of all, on road they're amazing, especially in shitty weather, they do well with slush and rain.

On snow powder, they do ok, not as good as KO2s.. but I might have a bad comparison because my 4runner with KO2s had very flat aftermarket armor that might have made it easier to slide vs stock armor I have with my current 4runner with AT3s.

Last thing, I had my AT3s on a hard trial at 15 PSI and I struggled, my friend with 33's KO2s did much better. Second time, on the same trial, I had my AT3s at 20PSI and I did much much better, and had easier time then my friend with KO2s.

Look at this water crossing, AT3s do so well at shedding water thru the sipes. They might lack the forward bite that KO2s have, but I'm not sure anymore, KO2s did amazing things on Whistling Diesel Hilux at Moab video. Would love to get some feedback on AT3s at pure rock like Moab.

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I just had SL 285/70/17 AT3s put on today. No real testing except interstate. They were very quiet. A slight whine at 70 mph (had to listen for it, even the AC fan on 3/4 would drown it out…) but much quieter than my worn out SL 265/70/17 Falken AT3W which had 60k miles on them. (They were a great tire but wanted something different and if memory serves me correct the Toyos are quieter than the AT3W even when I first got them but hard to say…)

I like the look of the tire (Not to aggressive but not too simple either…) and I really liked the weight. Published weight on the tire is 47lbs and I put one on my scale and it was 46.7lbs

I’ll update here as I put more miles on them. Love the look with my lift!!
 

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I'm soon to pull the trigger on a set of these Toyo AT3s. What is the largest tire size I can run with these? I have a 2021 4Runner Trail Special Edition.

EDIT: ITS BONE STOCK ASIDE FROM NFAB NERF BARS AND A TRD ENGINE SKID. MY STOCK TIRE SIZE IS 265/70R17
 
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BlueRidge,

Did you BMC or just trim and push back the inner fender?



I just had SL 285/70/17 AT3s put on today. No real testing except interstate. They were very quiet. A slight whine at 70 mph (had to listen for it, even the AC fan on 3/4 would drown it out…) but much quieter than my worn out SL 265/70/17 Falken AT3W which had 60k miles on them. (They were a great tire but wanted something different and if memory serves me correct the Toyos are quieter than the AT3W even when I first got them but hard to say…)

I like the look of the tire (Not to aggressive but not too simple either…) and I really liked the weight. Published weight on the tire is 47lbs and I put one on my scale and it was 46.7lbs

I’ll update here as I put more miles on them. Love the look with my lift!!
 
BlueRidge,

Did you BMC or just trim and push back the inner fender?

Sorry, been away for a few weeks. Lot going on…

The only thing I did was remove the mud flaps. No BMC and no fender liner moving. It doesn’t rub anywhere. I think a more aggressive tire may be closer… I used a heat gun to warp the mud flaps. I haven’t put them back on yet to see if that fixed it.

*Edit: To be clear, I have a lift and aftermarket UCAs. It would be a different story if I didn’t have that for these tires. Caster is around 3.2/3.6 if memory serves me correctly.
 
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I will soon be purchasing a set of Toyo AT3 in the stock size and P load range. Will I need to have these road force balanced? Or should I just have them mounted/ standard balanced and see how that is? Whats everyones expert opinion on this?
 
I will soon be purchasing a set of Toyo AT3 in the stock size and P load range. Will I need to have these road force balanced? Or should I just have them mounted/ standard balanced and see how that is? Whats everyones expert opinion on this?

I don't think road force balancing on a larger tire like on the 4R is worth it unless you are still having problems after a normal balance. usually, at that case it is probably a problem with the tire itself.
 
Installed!

Thanks everyone for all the advice in the thread! I recently got the 285/70/17 P Rated AT3 installed with the Westcott Pro Lift Kit. After install, road force balance, and alignment the vehicle actually drives better than stock when I picked it up from the dealership two weeks ago.
 

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Thanks everyone for all the advice in the thread! I recently got the 285/70/17 P Rated AT3 installed with the Westcott Pro Lift Kit. After install, road force balance, and alignment the vehicle actually drives better than stock when I picked it up from the dealership two weeks ago.

I hope you have better luck with them than I have. 22k miles later almost to the wear bars and they are so chopped they sound like an old set of swampers. Alignment is good and I rotate every oil change. I'm going back to BFG's.
 
I hope you have better luck with them than I have. 22k miles later almost to the wear bars and they are so chopped they sound like an old set of swampers. Alignment is good and I rotate every oil change. I'm going back to BFG's.

What size, load range, and pressure did you run? How many miles do you run between oil changes (aka tire rotate for you)?
 
What size, load range, and pressure did you run? How many miles do you run between oil changes (aka tire rotate for you)?

SL load 285/70/17 at 35PSI and rotated with every oil change at 5k miles. 23k miles on the tires and they are absolute junk. I've been buying truck tires for over 25 years and these were the worst purchase yet. Of course I started out with Falkens that they wound up buying back because only one of the 3 was actually round.
 
debated b/w these and the bfg ko2 .I went with BFG ALL-TERRAIN TA KO2 LT265/70R17 LRC RWL ALL TERRAIN from costco about $900 OTD installed after coupons. BGF solid reviews and do like the look of them and limited off road use.
 
I just had SL 285/70/17 AT3s put on today. No real testing except interstate. They were very quiet. A slight whine at 70 mph (had to listen for it, even the AC fan on 3/4 would drown it out…) but much quieter than my worn out SL 265/70/17 Falken AT3W which had 60k miles on them. (They were a great tire but wanted something different and if memory serves me correct the Toyos are quieter than the AT3W even when I first got them but hard to say…)



I like the look of the tire (Not to aggressive but not too simple either…) and I really liked the weight. Published weight on the tire is 47lbs and I put one on my scale and it was 46.7lbs



I’ll update here as I put more miles on them. Love the look with my lift!!
Do you have any more thoughts now that you've had them a couple months?

I'm on 265 SL Wildpeak and am contemplating upsizing to 285s. I'd love to stick with the Falken's again as my current set has exceeded all my expectations, however the heavy weights has me second guessing myself. I'm looking to keep unsprung weight as light as possible.

Seems like the AT3s are among the lightest of the bunch, and perform well all around on and offroad. I do a lot of offroading around Colorado and Utah and am starting to get more into rock crawling so I'd probably be looking at 285 C load.

The vain part of me is also hesitant because the sidewall design is a huge step down from the Wildpeaks in terms of aggressiveness and I sure do love me some meaty sidewall....

Sent from my Pixel 4 XL using Tapatalk
 
I install a set of TOYO OC AT3's on my 2020 TRD ORP with RRW wheels that are 1" wider than factory wheels, ordered wheels with zero offset. I really like these tires, handle great and not noisy at all. Look great and so far do great in the rain.The biggest surprise was no difference at all in fuel mileage compared to stock Dubmflop Tires, I actually think I picked up one whole mpg. I get a consistent 20/22 mpg on the highway burning 87 octane ethanol free gas. NO BS !!!
 
Love them. Have mine on 285/70/17 SL. Able to handle trails with ease.
 

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