TIREX INTERNATIONAL
Tires For The 21st Century
Firestone OTR Tire Index
Performance Finder | Tire Classifications | Technical Specifications
  Firestone OTR Tires  Haulage Tire Classifications
Earthmover Tires E2-E7

Function: Transporting / Haulage

TRA Tread Type Radial Tread Patterns Bias Tread Patterns
E-2 Traction VKT, VFT, VHB, VGT, VLT SGG, FG
E-3 Rock VFT, VKT, VHB, VRL, VMT, GSR SRG, RGX, E67, RL
E-4 Rock Deep VELS, VRLS, VMTS SRG DT, RMDT, PL, RLS
E-5 Rock Extra-Deep
SDT
E-7 Flotation VSJ SC, S&H

 

Characteristics:




Heat Resistance

Cut Resistance

Wear Resistance

Shock Burst Resistance

 

Tread Classifications

E3 Regular Tread
100%
E4 Deep Tread
150%
E5 Extra Deep Tread
250%

 

Tire Size Designation


Regular (SH/SW=0.95) 27.00 Section Width (inches)
R Radial Structure 49 Rim Diameter (inches)
** Star Rating

Wide Base (SH/SW=0.8) 33.25 Section Width (inches)
R Radial Structure 35 Rim Diameter (inches)
** Star Rating

Super Wide Base (SH/SW=0.65) 40/65 Section Width (inches)
R Aspect Ratio 65 Series
39 Rim Diameter (inches)
30PR Ply Rating

 

Sidewall Markings (Off-The-Road Tires)

1. Brand Name

2. Bridgestone's Specification Code

3. Pattern Name

4. Serial Number

5. Size

6. Star Rating, Tubeless or Tubetype