Ironman I-301 Mixed Service A/P 11R22.5/16 148/145M - 87775

The Ironman I-301 Mixed Service A/P in 11R22.5 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.

What 11R22.5 means

11R22.5 is a commercial-format size: 11 is the nominal section width in inches, R denotes radial construction, and 22.5 is the wheel diameter in inches — a common drive, steer, and trailer wheel size on medium- and heavy-duty trucks.

The service description on this tire decodes to a load index of 148 — a maximum load of 6,945 lbs per tire, or 145 (6,393 lbs) per tire when mounted as duals. The speed symbol M corresponds to a maximum sustained speed of 81 mph.

Load Range H corresponds to a 16-ply rating.

Specifications

Frequently asked questions

What does 148/145M mean on the Ironman I-301 Mixed Service A/P?

148/145M breaks down as load index 148 — rated for 6,945 lbs per tire (145, or 6,393 lbs, in dual fitment) — with an M speed rating, good for a maximum sustained 81 mph.

Will 11R22.5 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 11R22.5, 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.

Keep shopping

Browse Ironman tires, see every Ironman I-301 Mixed Service A/P size, or view all tires at ThreePiece.us.