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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.

S-Tech design
6 YEAR Warranty
  • 6 Years from Original Purchase Date*
  • 2 Recap Casing Warranty*
TIRE CONSTRUCTION
  1. Deeper tread depth for more traction and in-service time.
  2. Application-specific tread compound resists cutting and chipping.
  3. Stone ejectors protect the casing from damage on the base of the tread groove.
  4. Four Steel Belt Package - resists punctures, increases vehicle stability, and contributes to more retread cycles.
TIRE CONSTRUCTION
Tire Specifications
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TIRE SIZE
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Tire Specifications

  • SIZE 425/65R22.5
  • PLY RATING 20
  • SERVICE DESCRIPTION 165K
  • MAX SPEED 68
  • TREAD DEPTH 24
PRODUCT CODE5531993
TIRE SIZE425/65R22.5
SERVICE DESCRIPTION165K
LOAD RANGE/PLYL/20
PREF. RIM WIDTH (INCH)12.25
MIN. RIM WIDTH (INCH)12.25
SINGLE MAX LOAD (LBS.)11400
REVS PER MILE473
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 RADIUS20.4
MAX SPEED (MPH)68

Tire Specifications

  • SIZE 445/65R22.5
  • PLY RATING 20
  • SERVICE DESCRIPTION 168K
  • MAX SPEED 68
  • TREAD DEPTH 24
PRODUCT CODE5531996
TIRE SIZE445/65R22.5
SERVICE DESCRIPTION168K
LOAD RANGE/PLYL/20
PREF. RIM WIDTH (INCH)13.00
MIN. RIM WIDTH (INCH)13.00
SINGLE MAX LOAD (LBS.)12300
REVS PER MILE464
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 RADIUS20.8
MAX SPEED (MPH)68

Tire Specifications

  • SIZE 385/65R22.5
  • PLY RATING 18
  • SERVICE DESCRIPTION 158K
  • MAX SPEED 68
  • TREAD DEPTH 24
PRODUCT CODE5531990
TIRE SIZE385/65R22.5
SERVICE DESCRIPTION158K
LOAD RANGE/PLYJ/18
PREF. RIM WIDTH (INCH)11.75
MIN. RIM WIDTH (INCH)11.75
SINGLE MAX LOAD (LBS.)9370
REVS PER MILE484
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 RADIUS19.7
MAX SPEED (MPH)68

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*Exclusions apply. Click here for full warranty details.