NO!! Your rig weighs less than 200 lbs less than our rig, and if you are replacing tires, you need to go at least the same as you had, and if you want to reduce the risk of problems with blow outs, you would be better off going to an F or G rated tire. The ST tires your rig came with were rated 3420 lbs capacity, and the E rated LT tires are rated 3042 lbs capacity. On your trailer's tag, you will see the 7,000 lb axles were derated to 6750 lbs, so the E rated ST tires it was shipped with were legal. I replaced our tires with the Goodyear G614, but Sailun has the S637 tires that have been working well for most people at a much lower price, and they are both G rated tires, that will work with your wheels. The G614 tires were offered as an option in 2012, and they were mounted on the same wheels as on your rig, just have to upgrade the stems to ones rated to handle the 110 psi that the tires can use.
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Bob & Becky
2012 3402 Montana
2012 Chevy 2500HD D/A CC
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