ST520
Optimized Mixed Service All-Position
The ST520 is the premium wide-base, mixed-service all-position line that has 40% more usable tread-depth than many of our competitors.
6
YEAR
Warranty
- 6 Years from Original Purchase Date*
- 2 Recap Casing Warranty*
TIRE CONSTRUCTION
- Deeper tread depth for more traction and in-service time.
- Application-specific tread compound resists cutting and chipping.
- Stone ejectors protect the casing from damage on the base of the tread groove.
- Four Steel Belt Package - resists punctures, increases vehicle stability, and contributes to more retread cycles.
Tire Specifications
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Tire Specifications
445/65R22.5
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- SIZE 445/65R22.5
- PLY RATING 20
- SERVICE DESCRIPTION 168K
- MAX SPEED 68
- TREAD DEPTH 24
| PRODUCT CODE | SUMI-5531996 |
|---|---|
| TIRE SIZE | 445/65R22.5 |
| SERVICE DESCRIPTION | 168K |
| LOAD RANGE/PLY | L/20 |
| PREF. RIM WIDTH (INCH) | 13.00 |
| MIN. RIM WIDTH (INCH) | 13.00 |
| SINGLE MAX LOAD (LBS.) | 12300 |
| REVS PER MILE | 464 |
| DUAL MAX LOAD (LBS.) | - |
|---|---|
| I.P. (PSI) | 120 |
| OVERALL DIAMETER (INCH) | 45.6 |
| SECTION WIDTH (INCH) | 17.8 |
| MIN. DUAL SPACING (INCH) | - |
| TREAD DEPTH (X/32") | 24 |
| STATIC LOADED RADIUS | 20.8 |
| MAX SPEED (MPH) | 68 |
Tire Specifications
425/65R22.5
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- SIZE 425/65R22.5
- PLY RATING 20
- SERVICE DESCRIPTION 165K
- MAX SPEED 68
- TREAD DEPTH 24
| PRODUCT CODE | SUMI-5531993 |
|---|---|
| TIRE SIZE | 425/65R22.5 |
| SERVICE DESCRIPTION | 165K |
| LOAD RANGE/PLY | L/20 |
| PREF. RIM WIDTH (INCH) | 12.25 |
| MIN. RIM WIDTH (INCH) | 12.25 |
| SINGLE MAX LOAD (LBS.) | 11400 |
| REVS PER MILE | 473 |
| DUAL MAX LOAD (LBS.) | - |
|---|---|
| I.P. (PSI) | 125 |
| OVERALL DIAMETER (INCH) | 44.5 |
| SECTION WIDTH (INCH) | 16.6 |
| MIN. DUAL SPACING (INCH) | - |
| TREAD DEPTH (X/32") | 24 |
| STATIC LOADED RADIUS | 20.4 |
| MAX SPEED (MPH) | 68 |
Tire Specifications
385/65R22.5
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- SIZE 385/65R22.5
- PLY RATING 18
- SERVICE DESCRIPTION 158L
- MAX SPEED 68
- TREAD DEPTH 24
| PRODUCT CODE | SUMI-5531990 |
|---|---|
| TIRE SIZE | 385/65R22.5 |
| SERVICE DESCRIPTION | 158L |
| LOAD RANGE/PLY | J/18 |
| PREF. RIM WIDTH (INCH) | 11.75 |
| MIN. RIM WIDTH (INCH) | 11.75 |
| SINGLE MAX LOAD (LBS.) | 9370 |
| REVS PER MILE | 484 |
| DUAL MAX LOAD (LBS.) | - |
|---|---|
| I.P. (PSI) | 120 |
| OVERALL DIAMETER (INCH) | 42.5 |
| SECTION WIDTH (INCH) | 14.9 |
| MIN. DUAL SPACING (INCH) | - |
| TREAD DEPTH (X/32") | 24 |
| STATIC LOADED RADIUS | 19.7 |
| MAX SPEED (MPH) | 68 |
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