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Sumitomo ST778
Sumitomo ST778
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2 Reviews
2 on SimpleTireoverall rating
Review breakdown
- 0 out of 100
- 2 out of 100
- 0 out of 100
- 0 out of 100
- 0 out of 100
Scorecard
Dry
4
Wet
4
Winter
4
Comfort
4
Noise
4
Treadwear
4
2 Simpletire reviews
Get technical:
With Sumitomo's S-Tech technology, the ST778 is a premium steer axle tire that's engineered for long miles in line haul work. The ST778 features a flat footprint and an all-season tread, with grooves and microgrooves that direct water away to resist hydroplaning.
Features & Benefits
- Wide footprint puts more rubber on the road to reduce uneven wear
- Designed for use on the steer axle of commercial trucks and buses
- Steel belted construction increases strength and durability
- Tread pattern allows for solid traction and performance year-round

Vehicle |
Mileage Warranty N/A |
Load Index 6614 lbs (146) |
Max Speed 186 MPH (Y) |
Load Range H (16 Ply) |
Sidewall Blackwall |
Tread Depth 18/32nds |
Inflation Pressure 120 PSI |
Part Number 5532352 |
Tread Design Symmetrical |
Tire Weight 115.81 lbs |
Section Width 11.3" |
Overall Diameter 41.5" |
Commercial Application Mixed Service |
Commercial Position Steer |
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