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Weight rated "C" tires on a 2500 HD

kdog55

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kdog55 Enthusiast

kdog55

Posted
Posted

I currently have 285/70/17 on 9" wide aftermarket rims on my 05 2500HD. I am currently running Firestone Destination M/T's that rub slightly and also I am sick of the M/T ride. I guess I am getting too old!

I have an opportunity to get a very nice used set of Cooper ATR- LT 275/70/17's cheap, but they are only "C" rated. I have no problem running the "D" rated tires currently instead of the OEM "E" rated, just not sure what to expect dropping all the way down to "C" rated. I really never haul much or trailer anything huge, so I think it would be OK, but would like to hear other experiences before I would waste my money! TIA!

markw8 Enthusiast

markw8

Posted
Posted

If you drive within the limits of the tire,it shouldn't be a problem. Just don't loan it to anyone to haul gravel. The truck doesn't know what the tires are rated for.

 

Mark

tyhuck Senior Enthusiast

tyhuck

Posted
Posted

Personally, I wouldnt do it. But, like said above, it should be OK as long as you dont exceed the limits of the tire. Just take into account that the weight of your truck factors into that limit.

kdog55 Enthusiast

kdog55

Posted
  • Author
Posted

Yeah, I understand the part of staying under the max capacity. I'm not really worried about that because at least I can control that. I guess I am hoping to hear from someone who has tried it and whether they affected the ride quality or handling due to the lack of sidewall and tread thickness,

I've heard from a few locals who have used them and were fine. 1 guy even used them on a dually. I'm just not sold on the safety of them for myself and my family so wanted to get more experiences on here.

FWIW, It's a great deal on the tires so I WANT them to work, but the more I investigate it the less I think it's a good idea.

Thanks for the input so far, and more is welcome!

Shaners Senior Enthusiast

Shaners

Posted
Posted

I would think they would be fine since you don't haul or tow much weight. A "C" rated tire will have a lower MAX air pressure on the sidewall than a "D" or "E" so you will need to stay within the tires limits and DO NOT over inflate. I would think you would notice a much nicer ride too. The Cooper ATR is a nice tire and will be much quieter than your M/T's.

tyhuck Senior Enthusiast

tyhuck

Posted
Posted

The ride may be quite a bit softer, and even squishy when cornering.

 

I bought a pair of tires for a truck I drove in college (96 2500), but the tire shop didnt tell me they were C rated. I assumed they wouldnt put a tire that light on a 2500, but they did. The ride was so wishy-washy that I went back the next monday (bought them the friday before) and had them replace the tires with E rated tires. They tried to sell me on the C rated tires (obviously they didnt want to eat the cost of the tires) telling me that they would carry more weight than the truck was rated for, but for me the difference in ride and feel was unacceptable. Im not sure if they would have been OK or not, but I didnt feel safe on them.

 

Again, if it were me, Ide just hold off for some D rated tires.

rotti Enthusiast

rotti

Posted
Posted

Weight is one thing, another is the extra "toughness" that a E rated tire gives you on rough, gravel, rocky roads. Those extra plys in both the tread and sidewalls can save your bacon.

 

post-87017-0-03899500-1357407782_thumb.jpg

 

C rated tire, 24,000 miles, gravel road, middle of know-where Wyoming.

Spare had 5 lbs of air in it.

Lesson learned, the hard way.

post-87017-0-03899500-1357407782_thumb.jpg

post-87017-0-03899500-1357407782_thumb.jpg

post-87017-0-03899500-1357407782_thumb.jpg

Badass69 Senior Enthusiast

Badass69

Posted
Posted

I had C rated duratracs on my 05 1500HD...... which weighs more all the time than most of you on here will ever have in your truck at any given time. They lasted around 30000 miles and were wore out like any E rated version of the same tire ever did. And really they weren't that bad but one of them exploded in a spectacular fashion on the highway. Before you start screaming it's because it wasn't the correct load range.... wrong. I had an E rated Duratrac blow up the exact same way on another truck I had.

 

Just stay within the pressure and load limits of the tire and you will be fine.

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