The lighter version of the Goodyear Duratrac is: 245/70R17 with a load index of 110 which equals 2337 load-carrying capacity.
This would be similar to a Load Range "C" tire.
"S" is the speed rating = 112 mph
Look for 245/70R17 110S on the sidewall!
Goodyear's Product Code for this tire is: 150675601
The heavier version of the Goodyear Duratrac is: 245/70R17 with a load index of 116 which equals 2756 load-carrying capacity.
This would be like an Load Range "E" tire.
"Q" is the speed rating = 99 mph
245/70R17 116Q on the sidewall!

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