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.
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
