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ST720
Mixed Service All-Position

Wide base tire with a reputation for high mileage and vehicle stability in mixed service applications.

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6 YEAR Warranty
  • 6 Years from Original Purchase Date*
  • 2 Recap Casing Warranty*
*DOWNLOAD WARRANTY INFO FOR DETAILS AND EXCLUSIONS Print Product Sheet
TIRE CONSTRUCTION
  1. Wide shoulder ribs stabilize the vehicle in turns and at highway speeds.
  2. Application-specific tread compound resists cutting and chipping.
  3. 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

425/65R22.5 Change Size View all Sizes and Specs
  • SIZE 425/65R22.5
  • PLY RATING 20
  • SERVICE DESCRIPTION 165K
  • MAX SPEED 68
  • TREAD DEPTH 19
PRODUCT CODESUMI-5531493
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 MILE478
DUAL MAX LOAD (LBS.)-
I.P. (PSI)125
OVERALL DIAMETER (INCH)44.2
SECTION WIDTH (INCH)16.5
MIN. DUAL SPACING (INCH)-
TREAD DEPTH (X/32")  19
STATIC LOADED RADIUS20.4
MAX SPEED (MPH)68

Tire Specifications

385/65R22.5 Change Size View all Sizes and Specs
  • SIZE 385/65R22.5
  • PLY RATING 18
  • SERVICE DESCRIPTION 158L
  • MAX SPEED 68
  • TREAD DEPTH 18
PRODUCT CODESUMI-5531490
TIRE SIZE385/65R22.5
SERVICE DESCRIPTION158L
LOAD RANGE/PLYJ/18
PREF. RIM WIDTH (INCH)11.75
MIN. RIM WIDTH (INCH)11.75
SINGLE MAX LOAD (LBS.)9370
REVS PER MILE502
DUAL MAX LOAD (LBS.)-
I.P. (PSI)120
OVERALL DIAMETER (INCH)42.2
SECTION WIDTH (INCH)14.9
MIN. DUAL SPACING (INCH)-
TREAD DEPTH (X/32")  18
STATIC LOADED RADIUS19.4
MAX SPEED (MPH)68

Tire Specifications

445/65R22.5 Change Size View all Sizes and Specs
  • SIZE 445/65R22.5
  • PLY RATING 20
  • SERVICE DESCRIPTION 168K
  • MAX SPEED 68
  • TREAD DEPTH 20
PRODUCT CODESUMI-5531496
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 MILE470
DUAL MAX LOAD (LBS.)-
I.P. (PSI)120
OVERALL DIAMETER (INCH)45.3
SECTION WIDTH (INCH)17.6
MIN. DUAL SPACING (INCH)-
TREAD DEPTH (X/32")  20
STATIC LOADED RADIUS20.7
MAX SPEED (MPH)68

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*Exclusions apply. Click here for full warranty details.