ST538

Premium All-Position

With its 26/32" tread depth on the standard sizes and the 10,200lbs. load carrying capacity on size 315/80R22.5, the ST538 is an outstanding performing On- and Off-Highway Mixed Service All-Position Tire.

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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

Deeper tread depth increases mileage and time in service.
Uniform tread depth and smotth block edges help prevent irregular wear
Thick curbing ribs help shield the casing from sidewall damage.
Stone ejectors protect the casing from damage in the base of the groove.
Application specific tread compounds resist tread chipping in high-scuff on and off-road applications.

Tire Specifications

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TIRE SIZE

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Tire Specifications

315/80R22.5 Change Size View all Sizes and Specs

SIZE 315/80R22.5
PLY RATING 20
SERVICE DESCRIPTION 161/157K
MAX SPEED 68
TREAD DEPTH 24

PRODUCT CODE	SUMI-5534002
TIRE SIZE	315/80R22.5
SERVICE DESCRIPTION	161/157K
LOAD RANGE/PLY	L/20
PREF. RIM WIDTH (INCH)	9.00
MIN. RIM WIDTH (INCH)	9.00
SINGLE MAX LOAD (LBS.)	10200
REVS PER MILE	486

DUAL MAX LOAD (LBS.)	9090
I.P. (PSI)	130
OVERALL DIAMETER (INCH)	42.7
SECTION WIDTH (INCH)	12.2
MIN. DUAL SPACING (INCH)	13.8
TREAD DEPTH (X/32")	24
STATIC LOADED RADIUS	19.8
MAX SPEED (MPH)	68

Tire Specifications

11R24.5 Change Size View all Sizes and Specs

SIZE 11R24.5
PLY RATING 16
SERVICE DESCRIPTION 149/146K
MAX SPEED 68
TREAD DEPTH 26

PRODUCT CODE	SUMI-5534001
TIRE SIZE	11R24.5
SERVICE DESCRIPTION	149/146K
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	472

DUAL MAX LOAD (LBS.)	6610
I.P. (PSI)	120
OVERALL DIAMETER (INCH)	44.0
SECTION WIDTH (INCH)	11.4
MIN. DUAL SPACING (INCH)	12.5
TREAD DEPTH (X/32")	26
STATIC LOADED RADIUS	20.5
MAX SPEED (MPH)	68

Tire Specifications

11R22.5 Change Size View all Sizes and Specs

SIZE 11R22.5
PLY RATING 16
SERVICE DESCRIPTION 148/145K
MAX SPEED 68
TREAD DEPTH 26

PRODUCT CODE	SUMI-5534000
TIRE SIZE	11R22.5
SERVICE DESCRIPTION	148/145K
LOAD RANGE/PLY	H/16
PREF. RIM WIDTH (INCH)	8.25
MIN. RIM WIDTH (INCH)	7.50
SINGLE MAX LOAD (LBS.)	6940
REVS PER MILE	494

DUAL MAX LOAD (LBS.)	6395
I.P. (PSI)	123
OVERALL DIAMETER (INCH)	42.0
SECTION WIDTH (INCH)	11.3
MIN. DUAL SPACING (INCH)	12.5
TREAD DEPTH (X/32")	26
STATIC LOADED RADIUS	19.5
MAX SPEED (MPH)	68

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