Reading sidewall markings

Michelin helps you to understand your ag tyre markings and rim dimensions: load capacity index, section width, casing structure, speed symbol, rim diameter in inches, etc.

  • XeoBib range
  • VF = Very High Flexion: a marking designating the tyre category
  • 650 – nominal section width
  • 60 – sidewall height/nominal section of the tyre
  • R - Radial structure
  • 38 – nominal diameter of the rim in inches
  • 155 – load index rating: 3,875 kg
  • D - speed code: 40 mph
  • Radial - indication of the structure
  • Tubeless – tyre without inner tube
  • Michelin® X® : trademarkXeoBib Gamme

Tyre and rim dimensions

Load capacity index, section width, casing structure, speed symbol, rim diameter in inches, etc.

Tyre

  • S – section width of an agricultural tyre
  • R’ – radius under static load*
  • R – radius without load
  • D – external diameter, equal to 2xR
  • C.d.R. rolling circumference of the tyre in dynamic mode* (dynamic measurement)

Rim

  • F – internal width
  • H – anchorage height
  • Ø – diameter at seat (internal diameter of the tyre)