By Ever
01 Nov, 2025
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 |
Overview The study focused on the tyre life on the main haul fleet at an open pit iron ore mine. The haul fleet consisted of 17 Komatsu 730 (180 t) haul trucks and 12 CAT 777 (90 t) haul trucks. The haulage operation consists entirely of tyre-based haul trucks. Five per cent of the total […]
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As vehicle cabins become quieter, tire noise has become one of the main sources of unwanted sound, especially at medium and high speeds. Noise-reducing tires are developed to address this issue directly at the tire–road interface, where most road noise is generated. Decibel scale: from quiet to road noise (Source: Continental) Where Tire Noise Comes FromFrom […]
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