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Tires For The 21st Century
Firestone OTR Tire Index
Performance Finder | Tire Classifications | Technical Specifications
 Firestone OTR Tires  SpecialtyTire Classifications
(E2, E3, E7, L2, L4, LS2, C1)

Function: Transporting / Haulage

TRA Tread Type Radial Tread Patterns Bias Tread Patterns
C-1 Smooth Compactor
PR
E-2 Traction VHB, VKT, VGT
E-3 Rock VHB, VKT, VGT KW
E-7 Flotation VHB SC, S&H
L-2 Traction
FG
L-4 Rock Deep VCH
L-S2 Log Skidder Traction
LS2
L5/
L5S
Half Extra-Deep
Half Tread LD DT, DL2

 

Characteristics:





Heat Resistance

Cut Resistance

Wear Resistance

Shock Burst Resistance

Traction/Self-Cleaning Tread

 

Tread Classifications

Metric

Inch


385/95R24, 25
445/95R24, 25
445/80R25
525/80R25
685/80R25

14.00R24, 25
16.00R24, 25
17.5R25
20.5R25
26.5R25

 

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