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Manufactured by Sumitomo, the Summit ST778 is a modern heavy truck tire that's design for use in the steer position on trucks and buses in long-haul service.
Features & Benefits
- Four circumferential grooves channel water away to resist hydroplaning
- Robust shoulder elements and large footprint ensure even wear and stability
- Grooves incorporate stone ejectors to the protect casing from damage
- Four steel belt package promotes long wear by enhancing durability
- Sipe network boosts wet-weather grip
Vehicle | |
Mileage Warranty N/A | |
Load Index 7165 lbs (149) | |
Max Speed 75 MPH (L) | |
Load Range 7165 lbs (149) | |
Sidewall Blackwall | |
Tread Depth 18/32nds | |
Inflation Pressure 120 PSI | |
Part Number 5532859 | |
Commercial Application Mixed Service | |
Commercial Position Steer |