Mixed service is a very important part of the commercial branch, so it needs the highest quality equipment on the market. Here, Sumitomo offers its strongest products to supply dump trucks and ready mixed trucks. These heavy jobs need models like the ST528, which is an all position tire that performs when used on mixed service vehicles. With such technology, Sumitomo makes sure the job goes easily and successfully.
Primarily, this tire excels because of the advanced tread compounds that offer supreme protection in a high scrape on and off road services. Besides that, wide and deep zigzag grooves deliver the strongest traction force through the worst environments. Stone ejectors present in these grooves protect the casing and combat dirt and sand retention. An innovative siping pattern is present on the inner lugs that evacuate water and boost traction along with the braking ability. It benefits from a closed shoulder design with unique notching that minimizes heat buildup while enhancing lateral grip. Stiff curbing ribs on the sidewalls shield the tire from external damage and keep the integrity of the tread. A wide patch area can carry heavy loads of up to 10,200 lbs per single wheel.
What's below the tread?
The internal build of the ST528 offers premium defense from the inside out. Four steel belts offer great resistance to punctures while maintaining vehicle stability. An extra thick and durable layer of rubber under the patch keeps the belt package in place while also protecting it. Above all, rust inhibitor compounds coat the entire internal part for maximum durability and tire life at speeds up to 68 mph.
The all new design Sumitomo came up with promotes retreadability and mileage combined with fuel efficiency and performance. It is also backed with a 6 year or 2 recap casing warranty. The ST528 stands on the US market in a few popular sizes: 11R22,5, 11R24,5, and 315/80 R22,5.
Features and benefits
- Premium trusty all position tire that completes most mixed service applications.
- First-class 26/32" deep tread performs well with the heaviest loads.
- Outstanding internal construction acts as a shield against outside damage.
- Advanced tread compounds allow navigation through high scuff environments.
- Innovative closed shoulder design with notching boosts traction and grip.
- Hard sidewalls with curbing ribs minimize the impact of lateral forces.
- Extended mileage is ensured by the rust inhibitor composition that coats the inside.
