TRA and TREDCO ClassificationEach Bridgestone Firestone tyre is designed for the operation to which it has been assigned by your BFSA Representative. When these recommendations are made a number of factors will be considered. They will include the length of haul, speed, cycle time, underfoot conditions, load, standard of maintenance and climatic conditions.
Listed below are the design names and corresponding TREDCO classifications for or Off-The-Road tyres:
| Service |
TREDCO Classification |
|
Tread Type |
| Earthmover |
E-3 |
 |
Rock |
| E-4 |
Rock Deep Tread |
| E-7 |
Flotation |
| Grader |
G-3 |
 |
Rock |
| Loader/Dozer |
L-3 |
 |
Rock |
| L-4 |
Rock Deep Tread |
| L-5 |
Rock Extra Deep Tread |
| L-5S |
Smooth Extra Deep Tread |
| Compactor |
C-1 |
 |
Smooth Tread |
Tyre Tread Classification By TRA
|
