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Close-up of a Michelin XTXL off-road tire showing the sidewall and tread.

Michelin XTXL Off-Road Tire

pneu minning MICHELIN xtxl

How to Read Off-Road Tire Sidewall Markings


Learn how to identify and understand the key markings found on construction, industrial and mining tire sidewalls

Off-road tire sidewall markings provide important information about tire size, construction, load capacity and other specifications. Understanding these markings can help you identify the tire and select the appropriate tire for your equipment and application.

What Information Is Found on an Off-Road Tire Sidewall?

Off-road tire sidewall markings provide information about the tire’s size, construction, load capacity, intended use and other specifications. Understanding these markings can help you identify the tire and determine whether it is appropriate for your equipment and application.

Using the Michelin X Mine D2 shown here as an example, the sidewall markings identify:

  1. Nominal tire section width: 35 inches
  2. Tire series: H/S = 0.65
  3. Radial construction: R
  4. Rim diameter: 33 inches
  5. Tire load capacity index
  6. Type of use: Loader (L) with large tread depth (5)
  7. Radial tire designation
  8. Loader tire designation
  9. Tubeless tire designation
  10. Manufacturer: Michelin
  11. Tire range: Michelin X Mine D2
xmined2 tire

Picto image pneu marquage xmined2 Help and Advice

xmined2 tire

How to Read Off-Road Tire Size Markings

Using the Michelin X Mine D2 35/65 R 33 as an example, the tire size marking provides key information about the tire’s dimensions and construction:

  • 35 indicates the nominal tire section width in inches.
  • 65 represents the tire series, expressed as an H/S ratio of 0.65.
  • R indicates radial construction.
  • 33 indicates the rim diameter in inches.

Together, these markings provide important information about the tire’s size and construction.

Infographic explaining the 35/65 R 33 off-road tire size, including nominal section width, tire series, radial construction and rim diameter.

How to Read an Off-Road Tire Size

Additional Off-Road Tire Sidewall Markings

Depending on the tire and its application, additional sidewall markings may provide information about load capacity, reference speed, regroovability, rubber type and intended use.

Tire XCRANE 525/80 R25

Picto image pneu marquage xcrane Help and Advice

Tire XCRANE 525/80 R25

Michelin X Crane +

The Michelin X Crane + example includes three additional markings:

12. Tire load capacity index: 170
Identifies the tire's load capacity index.

13. Tire reference speed code: F
Identifies the tire's reference speed code.

14. Regroovable
Indicates that the tire is designed to be regroovable.

xdr2 tire

Picto image pneu marquage xdr2 Help and Advice

xdr2 tire

Michelin XDR2

The Michelin XDR2 example provides another type of marking:

15. Type of rubber: B4
Identifies the rubber type used for the tire. Technical documentation

The XDR2 example also includes an E4 identification code, identified as transport, “deep” tread.

Explore More Off-Road Tire Resources

Learn more about off-road tire care, maintenance and performance with these Michelin resources.

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image of vehicle of mining road

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