6 min read TBR Technical Guide

Reading TBR Sidewall Markings: Size, Load Index and Speed Symbol explains the operating evidence, measurements and asset details needed to evaluate this tyre topic consistently across a fleet or worksite.

Read the Complete Marking

Begin Reading TBR Sidewall Markings: Size, Load Index and Speed Symbol by defining the exact asset, wheel position and operating period represented by the observations.

Reading TBR Sidewall Markings: Size, Load Index and Speed Symbol should start with the marking exactly as shown on the tyre or current technical document. Size elements, service description and application codes have different roles and should be matched to the standard or manufacturer source that defines them.

Reading TBR Sidewall Markings: Size, Load Index and Speed Symbol — Field Data Sheet

Transcribe characters, suffixes and units before interpreting them. Keep the source definition, product record and actual machine duty in separate columns.

Raw marking

Full code or sidewall line with a clear photograph.

Product record

Exact model, size and code in the current manufacturer document.

Open point

Any suffix, conflict or missing value requiring clarification.

From Marking to Application

  1. Copy the complete marking without expanding it from memory.
  2. Identify the standard or manufacturer definition.
  3. Confirm the same code on the exact product record.

Technical Meaning of the Code

Read the completed Reading TBR Sidewall Markings: Size, Load Index and Speed Symbol sheet from the asset outward: confirm identity first, then position, duty and the observed change.

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