Arroyo Tamarock AT LT285/75R16

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What 285/75R16 means

In the size 285/75R16, 285 is the section width in millimeters (11.22 in), 75 is the aspect ratio — the sidewall stands 75% as tall as the tire is wide, or 213.8 mm (8.42 in) — R denotes radial construction, and 16 is the wheel diameter in inches. That works out to an overall diameter of about 32.83 inches, turning roughly 614 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.

The manufacturer lists the overall diameter of this specific tire as 16 inches — when clearance is tight, go by the published figure rather than the nominal size math.

The service description on this tire decodes to a load index of 126 — a maximum load of 3,748 lbs per tire. The speed symbol R corresponds to a maximum sustained speed of 106 mph.

Load Range E corresponds to a 10-ply rating.

Specifications

Frequently asked questions

Will 285/75R16 tires fit my vehicle?

Check the size molded into your current tire's sidewall or the tire placard inside the driver's door jamb — if it reads 285/75R16, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right. See every 285/75R16 tire in stock to compare options.

What does 126R mean on the Arroyo Tamarock AT?

126R breaks down as load index 126 — rated for 3,748 lbs per tire — with an R speed rating, good for a maximum sustained 106 mph.

What kind of tire is the Arroyo Tamarock AT?

The Arroyo Tamarock AT in 285/75R16 is a all terrain tire.

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