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The tire size for the 2020 Ford F-350 dually is LT245/75R17. Understanding tire sizes is straightforward once you know the meanings of the numbers. The first number (245) represents the tire width in millimeters, the second number (75) is the sidewall height in millimeters, and the third number (17) signifies the rim size in inches. It's highly recommended to choose tires that are at least as good as the original equipment manufacturer (OEM) tires or better when outfitting a dually truck used for towing. Opting for low-quality tires can result in blowouts while driving and may not provide adequate support for the trailers you're towing.
The Ford F-350 can be equipped with either a 245/75R17, 275/65R18, 275/70R18, or 275/65R20 tire.
Yes, the 265/75r17 tires are offered as a factory option. When under a heavy load, the sidewalls will come into contact. The manufacturer specifies a load range of E-121. If you opt for a 255/80r17 tire with the same load rating, you'll get an extra 2 inches in diameter while ensuring the sidewalls don't touch under heavy loads.
Is it possible to install 265/75/17 tires on a 2020 dually truck?