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i have General Grabber AT2s, and they great. so for fun i was looking at their sizes. why are the 35x12.5x=R15s not rated for severe snow, while the 33x12.5R15 are?

is it just a liability thing, did they not test them, or is there something actually different about the tire? tread depth??
 

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Their wider lugs probably disqualify them from the triple mountain/snowflake severe weather symbol at that size. The difference is the bigger the tire, the wider and bigger the lugs since they keep the same tread pattern. image-3462332312.jpg BFG AT KO at 35x12.5x15 has this still. (Dont know about the KO2 but I bet it will also) They might have a few sizes without it also though.
 

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I think it has to do with the tread compound being able to stay pliable at lower temps. That gets you the severe snow rating.

Could be wrong though.
 

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There are some Goodyears like that as well. Some sizes have the snowflake rating, some don't.
 

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Their wider lugs probably disqualify them from the triple mountain/snowflake severe weather symbol at that size. The difference is the bigger the tire, the wider and bigger the lugs since they keep the same tread pattern. BFG AT KO at 35x12.5x15 has this still. (Dont know about the KO2 but I bet it will also) They might have a few sizes without it also though.

The ko2 has the flake.
 

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no all terrain makes a good severe snow tire.

For severe snow get a WINTER tire.

Yokohama Geolanders here
....
 

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The size General Grabber A/T2's that I have on my vehicle are not severe snow rated.This past winter was the first for these tires....and we had a long severe cold snow engulfed winter here...with every winter road condition and temp. you could throw at a tire...and the Grabbers performed flawlessly...the best performing tire in winter that I've used...and I use to change to winter specific tires,on my last vehicle......the Grabbers are better than those...The Goodyear duratracs and the new BFG K02's should be astoundingly good winter tires,being severe snow flake rated in all sizes...the BFG K02 being similar in sipping and tread design to the General Grabber A/T2 but with the severe snow flake rated rubber compound,this one should be a good one...the snow plow guys love 'em in my neck of the woods...that says a lot right there!!

Bill.
 
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