Best price guarantee
Tire replacement coverage
24/7 roadside assistance
Easy returns
GT Radial GDR668
Loading
Starting at $1,120,590.99
SimpleScore™
Our proprietary rating system
for the modern tire buyer.8.0
Great
Score breakdown:
8.0
Long lasting
Great
8.1
Durability
Great
8.0
Traction
Great
Professional tire installation near you.
We’ll ship your tires directly to the shop.
The SimpleTire promise
Best price guarantee
See the same tire at a lower price? We'll match it.
Tire replacement coverage
Save your wallet from road hazards like nails.
24/7 roadside assistance
Get help when you need it the most.
Easy returns
Don't like it? Unmounted tires can be sent back.
All the top brands.5M+customers served
No reviews yet
Want to share your experience with these tires?
Review breakdown
- 0 out of 100
- 0 out of 100
- 0 out of 100
- 0 out of 100
- 0 out of 100
Get technical:
The GT Radial GDR668 is a commercial tire designed for use on the drive axle of trucks in cross-regional applications. With a specialized tread pattern and staggered block, the Radial GDR668 provides solid traction and braking performance. In addition, the Radial GDR668 is engineered with an open lug design that resists irregular wear.
Features & Benefits
- Designed for use on the drive axle of semi-trucks in cross-regional applications
- Deep tread pattern reduces rolling resistance and heat generation, improving fuel economy and wear resistance
- Open shoulder offers traction in wet and dry weather, with increased heat dissipation for endurance
- Staggered blockk and lug pattern provides consistent traction and braking performance
- Open lug design resists "heel and toe" irregular wear
Vehicle |
Mileage Warranty N/A |
Load Index 6614 lbs/6008 lbs (146/143) |
Max Speed 75 MPH (L) |
Load Range H (16 Ply) |
Sidewall Blackwall |
Tread Depth 28/32nds |
Inflation Pressure 120 PSI |
Part Number EV99933G |
Tread Design Symmetrical |
Tire Weight 73 lbs |
Overall Diameter 41" |
Any info you'are still looking for? |
GDR668 ∙ 3 sizes available