| Management number | 252868789 | Release Date | 2026/10/01 | List Price | US$113.63 | Model Number | 252868789 | ||
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<p>The GT Radial GDR668 is a highway terrain, all season tire manufactured for commercial vehicles and is built to be mounted on drive axle positions. Excellent year-round traction is guaranteed with this tire, as the tread pattern keeps the road contact in summer and winter conditions while the all season compound maintains flexibility in changing temperatures to upgrade the tire's dry, wet, and winter-weather grip. On the other hand, the circumferential grooves prevent hydroplaning by eliminating water and slush from the footprint and protecting the tire against slipping on wet roads. The model upgrades its controllability and driving stability because the tread pattern firmly grips the road surface with extra biting edges, increasing its contact with the driving surface for better steering responsiveness so that the steering response time is faster and more precise to the driver's commands while the structure is secured against driving pressure. Great cornering and maneuvering are boosted as well. The tire provides a fuel-efficient performance as the tread design and the special silica compound ease the pressure off the tire to minimize the rolling resistance, which represents the pressure determining how much energy the vehicle needs to keep the tires in motion, decreasing the vehicle's fuel consumption and CO2 emissions for an environmentally friendly driving experience. Perfect load and driving durability are ensured since the strengthened internal structure and the special silica compound keep the ideal tire shape under load and driving pressure, enabling the tire to carry and withstand heavy loads to boost the overall load-carrying capacity and handling power for commercial applications. The GT Radial GDR668 extends its service life by preventing irregular and premature wear formations, where the tread pattern evenly distributes driving pressure along the tread area while the silica compound slows the treadwear rate down to guarantee a longer-lasting tread life. Additionally, this radial construction features an open shoulder traction design developed to minimize irregular wear and offer excellent retreadability for regional or long haul applications, utilizing stone ejectors in the center grooves to reduce stone drilling and protect the casing from damage. It incorporates large tread blocks with extra siping for enhanced braking performance and grip in wet and wintry weather conditions, alongside a steel-belted internal construction that provides tire rigidity to reduce the chance of deformation under heavy loads, a deep and wide tread design, and a staggered block and lug pattern with an open lug design that effectively prevents the occurrence of heel and toe irregular wear.</p>
| Tire season | All-Season |
|---|---|
| Manufacturer | GT Radial |
| Tire width | 285 mm. |
| Tire load range | H |
| Tire load index | 147 |
| Warranty distance | 0 miles |
| Is run flat | N |
| Overall diameter | 41.7 in |
| Tire speed rating | L |
| Vehicle type | Trailer |
| Tire size | 285/75R24.5 |
| Construction type | Radial |
| Electric vehicle tire | N |
| Wheel diameter | 24.5 in |
| Flotation tire | N |
| Has written warranty | No |
| Total count | 1 |
| Tire location | Front and Rear Tires |
| Tire sidewall style | Black Sidewall |
| Tire terrain | Highway Terrain |
| Tire diameter | 24.5 in |
| Tire type | Commercial Tires |
| Model | GDR668 EV99882G |
| Tread depth | 28/32 |
| Maximum inflation pressure | 120 psi |
| Tire aspect ratio | 75 |
| Tire treadwear rating | 0 |
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