Who tows somewhat heavy with ridge Grapplers or toyo AT2? - Dodge Cummins Diesel Forum
2013-2018 General Discussion General Chit Chat About the 2013 model year differences 6.7L 4th generation Cummins - NO ADVERTISING - Sponsored by: StarLite Diesel

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post #1 of 20 (permalink) Old 11-07-2019, 07:30 AM Thread Starter
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Who tows somewhat heavy with ridge Grapplers or toyo AT2?

I just had some BFG KM3 installed 2 months ago and when I towed my 9k travel trailer the squirm was almost scary. Felt like the tires induced sway.

A month later I swapped those out for a set of nitto ridge grapplers in 295/60r20 mounted on the factory 20’s, the ride improved but still pushes me around in VERY light wind and small cars passing by me. This never happened with the factory trans force tires.

I run 65psi front and 80psi cold when towing, they get up to 90psi per the tpms.

Are the toyo AT2 a better towing tire? What about the Falken AT3w? I need AT tire at the very least because of the terrain I travel.

My hitch is a blue ox sway pro, 12% tongue weight and my truck is a 2018 CCSB 4x4. It’s properly aligned, has a 1” spacer as a leveling kit and I added firestone “red label” airbags that I run 12psi in when I tow.


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post #2 of 20 (permalink) Old 11-07-2019, 07:38 AM Thread Starter
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32k on odometer.

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post #3 of 20 (permalink) Old 11-07-2019, 08:47 AM
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I don’t tow daily but when I tow it’s usually 200-800 miles with 8-14k and I have had no issues with my AT2s. I run 65 front and rear when towing. 50 in rear when empty. Biggest thing is making sure your trailer is level and weights distributed as best you can

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post #4 of 20 (permalink) Old 11-07-2019, 10:41 AM
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What size were the KM3? This is random but just curious if you had any rub at full lock with the 295/60/20 Ridge Grapplers you had, or the KM3 for that matter

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post #5 of 20 (permalink) Old 11-07-2019, 11:51 AM
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I had 295/60r20 ridge grapps at 65 psi all around and they did great pulling my camper @ 10k and a 1k cart in the bed. Very stable and now sway from pa to nc and back. Thats back roads and 75mph down the highways.
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post #6 of 20 (permalink) Old 11-07-2019, 01:19 PM
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If your weight distribution hitch is set up correctly you shouldn't need air bags. It sounds to me like there is not enough tongue weight which will make the trailer unstable. Have you put the fully loaded rig on a CAT scale to verify the weight distribution? That's where I would start. Lots cheaper than changing tires.
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post #7 of 20 (permalink) Old 11-07-2019, 01:58 PM
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I'm running 35x12.5 R17 Ridge Grapplers and tow a 12k dump trailer without a weight distribution hitch and have never felt any swaying issues. Hell, most of the time I don't even bother airing up the rear tires from where I run them when empty at 45psi. Now, if I'm hauling a substantial distance I'll air them up to 65-70 psi. I think the major key is how the weight is distributed and a dump trailer is different animal than a TT too.


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post #8 of 20 (permalink) Old 11-07-2019, 02:10 PM
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Quote:
Originally Posted by SAP2018 View Post
My hitch is a blue ox sway pro...
That's an ironic name for a hitch. I would look into an anti sway setup, such as the Reese Dual Cam instead.

Maybe if we start telling people that the brain is an app, they will start using it?

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post #9 of 20 (permalink) Old 11-07-2019, 04:03 PM
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Quote:
Originally Posted by SAP2018 View Post
I just had some BFG KM3 installed 2 months ago and when I towed my 9k travel trailer the squirm was almost scary. Felt like the tires induced sway.

A month later I swapped those out for a set of nitto ridge grapplers in 295/60r20 mounted on the factory 20’s, the ride improved but still pushes me around in VERY light wind and small cars passing by me. This never happened with the factory trans force tires.

I run 65psi front and 80psi cold when towing, they get up to 90psi per the tpms.

Are the toyo AT2 a better towing tire? What about the Falken AT3w? I need AT tire at the very least because of the terrain I travel.

My hitch is a blue ox sway pro, 12% tongue weight and my truck is a 2018 CCSB 4x4. It’s properly aligned, has a 1” spacer as a leveling kit and I added firestone “red label” airbags that I run 12psi in when I tow.

I towed our trailer (8k) with 1500lb tongue and no sway at all on ridge grapplers (295/65r20). I also have airmaxx air bags under my carli backcountry 2.0 suspension (3" lift). My bags are set to 65psi when towing and I am not running an anti-sway setup at all.

1) What pressure are you running in the rear tires?
2) Have you weighed your tongue? Like, actually weigh it?
3) What's in the bed? Empty? Full?
4) When loaded, is your trailer level? front lower than rear, rear lower than front?
5) Have you ever weighed your entire rig? What's the front v. rear weights?

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post #10 of 20 (permalink) Old 11-07-2019, 09:36 PM
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Quote:
Originally Posted by SAP2018 View Post
My hitch is a blue ox sway pro, 12% tongue weight and my truck is a 2018 CCSB 4x4. Itís properly aligned, has a 1Ē spacer as a leveling kit and I added firestone ďred labelĒ airbags that I run 12psi in when I tow.
I run this hitch as well.

Did you install/setup the hitch yourself or did the dealer? I made the mistake of letting the dealer I bought my trailer from install my hitch; I had to fix it within 100 miles of towing. The ball was too high, the mounts were installed too close towards the tow ball (the trailer mounts); the whole thing was a soup sandwich.

BlueOx has a PDF on their website on how to properly install and configure the hitch. It's super easy, provided you are on level ground. Once I set mine up per the manual, it was great.
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post #11 of 20 (permalink) Old 11-07-2019, 09:54 PM
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I have ridge grapplers and tow a 20k 5th wheel toy hauler often and they do awesome! I have no complaints.

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post #12 of 20 (permalink) Old 11-08-2019, 03:17 AM
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I run 296/65/20 ridge grapplers. Tow my 325 outback with no problems. Weighs in somewhere around 10k. When we go on riding trips I also have my 900lbs quad in the bed. Havenít officially weighed the rear axle weight with this setup, but I know itís heavy on that axle. Thatís part of the reason I went with these tires, they have a 4000lbs weight rating per tire.
I love how the tires ride and handle. Just donít like the price and they donít seem to be wearing very good.


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