Michelin AGRIBIB 2 420/85R28 144A8/B - 43824

The Michelin AGRIBIB 2 in 420/85R28 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.

What 420/85R28 means

In the size 420/85R28, 420 is the section width in millimeters (16.54 in), 85 is the aspect ratio — the sidewall stands 85% as tall as the tire is wide, or 357.0 mm (14.06 in) — R denotes radial construction, and 28 is the wheel diameter in inches. That works out to an overall diameter of about 56.11 inches, turning roughly 359 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 55.91 inches — when clearance is tight, go by the published figure rather than the nominal size math.

Specifications

Frequently asked questions

Will 420/85R28 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 420/85R28, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right.

How fast does this tire ship?

Every order at ThreePiece.us ships free, with fast delivery from a nationwide warehouse network. Affirm financing is available at checkout.

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