ST778+ SE
Long Haul Steer
The new ST788 SE is Sumitomo's most advanced S-Tech Design steer tire for long haul operations. With the latest design elements, the ST788 SE provides exceptional mileage with advanced compounding properties. For extended service life, the tire features robust shoulder elements to ensure long, even wear and stone ejectors to help promote casing integrity. Exceptional performance and low rolling resistance offer peace of mind and savings for fleets.
6
YEAR
Warranty
- 6 Years from Original Purchase Date*
- 2 Recap Casing Warranty*
TIRE CONSTRUCTION
- Shoulder grooves work with the wide, flat tread radius to control irregular wear
- Wide solid shoulders evenly dispense contact pressure for long, even wear
- Micro sipes protect the interior ribs from punch wear
- Stone ejectors in the base of the tread groove promote casing integrity
- Four Steel Belt Package - resists punctures, increases vehicle stability and contributes to more retread cycles
Tire Specifications
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Tire Specifications
295/75R22.5
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- SIZE 295/75R22.5
- PLY RATING 14
- SERVICE DESCRIPTION 144/141L
- MAX SPEED 75
- TREAD DEPTH 18
| PRODUCT CODE | SUMI-5532875 |
|---|---|
| TIRE SIZE | 295/75R22.5 |
| SERVICE DESCRIPTION | 144/141L |
| LOAD RANGE/PLY | G/14 |
| PREF. RIM WIDTH (INCH) | 9.00 |
| MIN. RIM WIDTH (INCH) | 8.25 |
| SINGLE MAX LOAD (LBS.) | 6175 |
| REVS PER MILE | 518 |
| DUAL MAX LOAD (LBS.) | 5675 |
|---|---|
| I.P. (PSI) | 110 |
| OVERALL DIAMETER (INCH) | 40.1 |
| SECTION WIDTH (INCH) | 11.5 |
| MIN. DUAL SPACING (INCH) | 13.2 |
| TREAD DEPTH (X/32") | 18 |
| STATIC LOADED RADIUS | 18.8 |
| MAX SPEED (MPH) | 75 |
Tire Specifications
11R22.5
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- SIZE 11R22.5
- PLY RATING 16
- SERVICE DESCRIPTION 146/143L
- MAX SPEED 75
- TREAD DEPTH 18
| PRODUCT CODE | SUMI-5532852 |
|---|---|
| TIRE SIZE | 11R22.5 |
| SERVICE DESCRIPTION | 146/143L |
| LOAD RANGE/PLY | H/16 |
| PREF. RIM WIDTH (INCH) | 8.25 |
| MIN. RIM WIDTH (INCH) | 7.50 |
| SINGLE MAX LOAD (LBS.) | 6610 |
| REVS PER MILE | 501 |
| DUAL MAX LOAD (LBS.) | 6005 |
|---|---|
| I.P. (PSI) | 120 |
| OVERALL DIAMETER (INCH) | 41.5 |
| SECTION WIDTH (INCH) | 11.3 |
| MIN. DUAL SPACING (INCH) | 12.5 |
| TREAD DEPTH (X/32") | 18 |
| STATIC LOADED RADIUS | 19.3 |
| MAX SPEED (MPH) | 75 |
Tire Specifications
285/75R24.5
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- SIZE 285/75R24.5
- PLY RATING 14
- SERVICE DESCRIPTION 144/141L
- MAX SPEED 75
- TREAD DEPTH 18
| PRODUCT CODE | SUMI-5532878 |
|---|---|
| TIRE SIZE | 285/75R24.5 |
| SERVICE DESCRIPTION | 144/141L |
| LOAD RANGE/PLY | G/14 |
| PREF. RIM WIDTH (INCH) | 8.25 |
| MIN. RIM WIDTH (INCH) | 7.50 |
| SINGLE MAX LOAD (LBS.) | 6175 |
| REVS PER MILE | 503 |
| DUAL MAX LOAD (LBS.) | 5675 |
|---|---|
| I.P. (PSI) | 110 |
| OVERALL DIAMETER (INCH) | 41.3 |
| SECTION WIDTH (INCH) | 11.0 |
| MIN. DUAL SPACING (INCH) | 12.5 |
| TREAD DEPTH (X/32") | 18 |
| STATIC LOADED RADIUS | 19.4 |
| MAX SPEED (MPH) | 75 |
Tire Specifications
11R24.5
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- SIZE 11R24.5
- PLY RATING 16
- SERVICE DESCRIPTION 149/146L
- MAX SPEED 75
- TREAD DEPTH 18
| PRODUCT CODE | SUMI-5532859 |
|---|---|
| TIRE SIZE | 11R24.5 |
| SERVICE DESCRIPTION | 149/146L |
| LOAD RANGE/PLY | H/16 |
| PREF. RIM WIDTH (INCH) | 8.25 |
| MIN. RIM WIDTH (INCH) | 7.50 |
| SINGLE MAX LOAD (LBS.) | 7160 |
| REVS PER MILE | 481 |
| DUAL MAX LOAD (LBS.) | 6610 |
|---|---|
| I.P. (PSI) | 120 |
| OVERALL DIAMETER (INCH) | 43.2 |
| SECTION WIDTH (INCH) | 11.3 |
| MIN. DUAL SPACING (INCH) | 12.5 |
| TREAD DEPTH (X/32") | 18 |
| STATIC LOADED RADIUS | 20.2 |
| MAX SPEED (MPH) | 75 |
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