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Hankook Dynapro HT - as bad as I think?

Old Oct 15, 2017 | 03:26 AM
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Default Hankook Dynapro HT - as bad as I think?

I have a 17 screw with HD tow pack. Finally had a chance to tow yesterday, and in my opinion these tires that I wasn’t real sure about to start with are pretty terrible.

I’m towing about 8500 pounds. Rig is rated for 12,000 so well below that spec. I do need to fine tune the WD hitch because it’s not quite riding flat.

It seems like the sidewalls seem pretty soft. But at the same time I know the shocks are garbage. The ride is like I’m riding on marshmallows. Just far more bouncy than I expected.

Looking for opinions here. First of all, are these tires as bad as I think? Do others like them?

Would you swap the shocks first or the tires? Note that the vast majority of my driving is on road without the trailer.

Lastly, what tires are you all liking for towing?

Last edited by MH150; Oct 15, 2017 at 11:36 AM.
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Old Oct 15, 2017 | 10:54 AM
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1) I would get the WD Hitch set up correctly before I did anything.

2) Go to the Towing forum and figure out your truck’s actual towing capacity. In the real world, towing capacity for F150’s is nowhere near 12k pounds. Depending upon what is on your stickers, you are probably close to being overloaded.
https://www.f150forum.com/f82/number...w-read-392649/

3) I doubt your tires are the problem.
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Old Oct 15, 2017 | 11:20 AM
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I have had good service from my Hankook dyno pro HT OEM tires on my 2015 xlt scab 4x2. I tow 20' flat with full body Jeep + gear, 14' utility with UTV side by side and a Collman Niagra PUP 3200 lbs. I found these tires to excel in snow for an HT tire.
Note I did change rear shocks for a pair of KYB mono tube @ 38,000 world of difference especially, when unloaded, no more wheel hop and side slip on washboard road.
I just bought another set of new truck take offs from a 2017, I like the tires And the sport wheels they were mounted on.
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Old Oct 15, 2017 | 02:24 PM
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Thanks for the replies. I will look at the numbers. I must admit that at quick glance, it seems confusing but I was a bit distracted while reading the link you referenced.

I likely didnt resear h enough when I bought this last rig. I hope I didn't make a mistake. I heard 12,500 (12,000 with screw config) as a capacity and made an assumption I'd be good. This would be an expensive mistake if so but I won't risk my families safety.

Im going to attach a photo of the stickers from trailer and truck. The trailer is maybe a little lighter than I thought. I'll assume 500 pounds of passengers and probably 500 pounds for fuel.

I saw a spreadsheet sheet referenced in the other thread. I did not see a link. Did I miss that?

Truck sticker
Trailer sticker
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Old Oct 15, 2017 | 02:54 PM
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Adding 1 more photo. It states never exceed 1,850 pounds payload.

So, if I am doing this right with calculations from the stickers, I'm really at the limit of what I can legally carry

GVWR trailer is 7800
GVWR truck is 6750

1850 load capacity
- passengers at 600
- line X at 100 (wild guess really)
- 35 gallons of fuel at 220

leaves me with 130 pounds of load capacity.

Right up to the edge with simple estimates. Am I on track here?

Moderators please move to the to the towing section if appropriate.

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Old Oct 15, 2017 | 03:09 PM
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7800lb trailer - 1,014 tongue weight (approx. 13% of trailer weight)

1850-1014 = 836bs left for passengers/cargo.
600lb in passengers= 236lb left for fuel/cargo/line-x.

I have the hankooks and I like them. Tire pressure is a big thing, they are max 51psi cold. I'd set 'em at 50psi.
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Old Oct 15, 2017 | 03:35 PM
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You are almost certainly OK, but you are closer to your limit than you originally thought. I suspect that getting the WDH setup locked in will solve most of your problems,

Last edited by UncleFester; Oct 15, 2017 at 03:39 PM.
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Old Oct 15, 2017 | 05:21 PM
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Thank you for the feedback. I really appreciate it. I will concentrate on the WD setup first, and more than likely the shocks too as I already wanted to swap those.

One kore quick question. On the trailer sticker it states 450kg cargo capacity. Is the GVWR number typically inclusive of that cargo number?

Last edited by MH150; Oct 15, 2017 at 06:33 PM.
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Old Oct 15, 2017 | 06:37 PM
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Originally Posted by chimmike
7800lb trailer - 1,014 tongue weight (approx. 13% of trailer weight)

1850-1014 = 836bs left for passengers/cargo.
600lb in passengers= 236lb left for fuel/cargo/line-x.

I have the hankooks and I like them. Tire pressure is a big thing, they are max 51psi cold. I'd set 'em at 50psi.
thanks for the tire pressure tip. I went with the door weight cold pressure of 35 but knew in my mind that was probably low. I did not see a number as high as 51.
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Old Feb 27, 2020 | 03:59 PM
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Originally Posted by MH150
thanks for the tire pressure tip. I went with the door weight cold pressure of 35 but knew in my mind that was probably low. I did not see a number as high as 51.
I'm thinking that is a load range "C" tire....A little better tire for the job @ hand.......Heavier but suitable tire.....
This will give you a slightly stiffer ride & better load capacity & will bear the designation of LT in it's tire size !!.....
Not all manufacturers will offer a "C" rated tire though....You might have to go heavier as a "D or E" rated ??
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