TRA Code

Tire School

TRA Code

  1. T.R.A. Classification and application

A TRA code usually has a letter followed by a number. The letter indicates the type of machine the tyre can be used on, while the digital number the tyre’s tread depth.

TRA CODE

 

Service

Vehicles

T.R.A. CODE

Loader and Dozer

Shovels Loaders Bulldozers

L-2

L-3

L-4

L-5

L-5S

Earthmover

Dump Trucks Coal haulers Scrapers

E-3

E-4

E-7

Grader

Graders

G-2

G-3

Compactor

Tire-rollers

C-1

C-2

Industrial

Mechanical handling Equipments

IND3

IND4

IND5

Comparison of tread depth 

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