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ST719
Regional All-Position Rib

The all-new ST719 is designed to meet the demands of regional and urban delivery service. Driven by advanced design features, including a wider tread width and high tread wear performance compounds, the ST719 delivers more miles per 32nd.

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S-Tech design
6 YEAR Warranty
  • 6 Years from Original Purchase Date*
  • 2 Recap Casing Warranty*
*DOWNLOAD WARRANTY INFO FOR DETAILS AND EXCLUSIONS Print Product Sheet
Tire Specifications
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Tire Specifications

245/75R22.5 Change Size View all Sizes and Specs
  • SIZE 245/75R22.5
  • PLY RATING 14
  • SERVICE DESCRIPTION 134/131L
  • MAX SPEED 75
  • TREAD DEPTH 18
PRODUCT CODESUMI-5533487
TIRE SIZE245/75R22.5
SERVICE DESCRIPTION134/131L
LOAD RANGE/PLYG/14
PREF. RIM WIDTH (INCH)7.50
MIN. RIM WIDTH (INCH)6.75
SINGLE MAX LOAD (LBS.)4675
REVS PER MILE557
DUAL MAX LOAD (LBS.)4300
I.P. (PSI)110
OVERALL DIAMETER (INCH)37.3
SECTION WIDTH (INCH)9.6
MIN. DUAL SPACING (INCH)11.0
TREAD DEPTH (X/32")  18
STATIC LOADED RADIUS17.6
MAX SPEED (MPH)75

Tire Specifications

315/80R22.5 Change Size View all Sizes and Specs
  • SIZE 315/80R22.5
  • PLY RATING 20
  • SERVICE DESCRIPTION 157/154L
  • MAX SPEED 75
  • TREAD DEPTH 18
PRODUCT CODESUMI-5533469
TIRE SIZE315/80R22.5
SERVICE DESCRIPTION157/154L
LOAD RANGE/PLYL/20
PREF. RIM WIDTH (INCH)9.00
MIN. RIM WIDTH (INCH)9.00
SINGLE MAX LOAD (LBS.)9090
REVS PER MILE492
DUAL MAX LOAD (LBS.)8270
I.P. (PSI)130
OVERALL DIAMETER (INCH)42.2
SECTION WIDTH (INCH)12.4
MIN. DUAL SPACING (INCH)13.8
TREAD DEPTH (X/32")  18
STATIC LOADED RADIUS19.6
MAX SPEED (MPH)75

Tire Specifications

245/70R19.5 Change Size View all Sizes and Specs
  • SIZE 245/70R19.5
  • PLY RATING 14
  • SERVICE DESCRIPTION 133/131N
  • MAX SPEED 87
  • TREAD DEPTH 16
PRODUCT CODESUMI-5533485
TIRE SIZE245/70R19.5
SERVICE DESCRIPTION133/131N
LOAD RANGE/PLYG/14
PREF. RIM WIDTH (INCH)7.50
MIN. RIM WIDTH (INCH)6.75
SINGLE MAX LOAD (LBS.)4540
REVS PER MILE628
DUAL MAX LOAD (LBS.)4300
I.P. (PSI)109
OVERALL DIAMETER (INCH)33.1
SECTION WIDTH (INCH)9.4
MIN. DUAL SPACING (INCH)11.0
TREAD DEPTH (X/32")  16
STATIC LOADED RADIUS15.4
MAX SPEED (MPH)87

Tire Specifications

225/70R19.5 Change Size View all Sizes and Specs
  • SIZE 225/70R19.5
  • PLY RATING 12
  • SERVICE DESCRIPTION 125/123N
  • MAX SPEED 87
  • TREAD DEPTH 16
PRODUCT CODESUMI-5533472
TIRE SIZE225/70R19.5
SERVICE DESCRIPTION125/123N
LOAD RANGE/PLYF/12
PREF. RIM WIDTH (INCH)6.75
MIN. RIM WIDTH (INCH)6.00
SINGLE MAX LOAD (LBS.)3640
REVS PER MILE651
DUAL MAX LOAD (LBS.)3415
I.P. (PSI)95
OVERALL DIAMETER (INCH)31.9
SECTION WIDTH (INCH)8.7
MIN. DUAL SPACING (INCH)10.0
TREAD DEPTH (X/32")  16
STATIC LOADED RADIUS15.0
MAX SPEED (MPH)87

Tire Specifications

215/75R17.5 Change Size View all Sizes and Specs
  • SIZE 215/75R17.5
  • PLY RATING 16
  • SERVICE DESCRIPTION 135/133L
  • MAX SPEED 75
  • TREAD DEPTH 16
PRODUCT CODESUMI-5533466*
TIRE SIZE215/75R17.5
SERVICE DESCRIPTION135/133L
LOAD RANGE/PLYH/16
PREF. RIM WIDTH (INCH)6.00
MIN. RIM WIDTH (INCH)6.00
SINGLE MAX LOAD (LBS.)4805
REVS PER MILE683
DUAL MAX LOAD (LBS.)4540
I.P. (PSI)123
OVERALL DIAMETER (INCH)30.4
SECTION WIDTH (INCH)8.3
MIN. DUAL SPACING (INCH)9.4
TREAD DEPTH (X/32")  16
STATIC LOADED RADIUS14.0
MAX SPEED (MPH)75

*For free rolling service in normal highway use

Tire Specifications

265/70R19.5 Change Size View all Sizes and Specs
  • SIZE 265/70R19.5
  • PLY RATING 16
  • SERVICE DESCRIPTION 140/138M
  • MAX SPEED 81
  • TREAD DEPTH 16
PRODUCT CODESUMI-5533489
TIRE SIZE265/70R19.5
SERVICE DESCRIPTION140/138M
LOAD RANGE/PLYH/16
PREF. RIM WIDTH (INCH)7.50
MIN. RIM WIDTH (INCH)7.50
SINGLE MAX LOAD (LBS.)5510
REVS PER MILE608
DUAL MAX LOAD (LBS.)5205
I.P. (PSI)112
OVERALL DIAMETER (INCH)34.2
SECTION WIDTH (INCH)10.1
MIN. DUAL SPACING (INCH)11.6
TREAD DEPTH (X/32")  16
STATIC LOADED RADIUS15.9
MAX SPEED (MPH)81

Tire Specifications

245/70R17.5 Change Size View all Sizes and Specs
  • SIZE 245/70R17.5
  • PLY RATING 18
  • SERVICE DESCRIPTION 143/141L
  • MAX SPEED 75
  • TREAD DEPTH 16
PRODUCT CODESUMI-5533473*
TIRE SIZE245/70R17.5
SERVICE DESCRIPTION143/141L
LOAD RANGE/PLYJ/18
PREF. RIM WIDTH (INCH)7.50
MIN. RIM WIDTH (INCH)6.75
SINGLE MAX LOAD (LBS.)6005
REVS PER MILE666
DUAL MAX LOAD (LBS.)5675
I.P. (PSI)127
OVERALL DIAMETER (INCH)31.2
SECTION WIDTH (INCH)10.0
MIN. DUAL SPACING (INCH)11.0
TREAD DEPTH (X/32")  16
STATIC LOADED RADIUS14.3
MAX SPEED (MPH)75

*For free rolling service in normal highway use

Tire Specifications

225/70R19.5 Change Size View all Sizes and Specs
  • SIZE 225/70R19.5
  • PLY RATING 14
  • SERVICE DESCRIPTION 128/126N
  • MAX SPEED 87
  • TREAD DEPTH 16
PRODUCT CODESUMI-5533482
TIRE SIZE225/70R19.5
SERVICE DESCRIPTION128/126N
LOAD RANGE/PLYG/14
PREF. RIM WIDTH (INCH)6.75
MIN. RIM WIDTH (INCH)6.00
SINGLE MAX LOAD (LBS.)3970
REVS PER MILE651
DUAL MAX LOAD (LBS.)3750
I.P. (PSI)110
OVERALL DIAMETER (INCH)31.9
SECTION WIDTH (INCH)8.7
MIN. DUAL SPACING (INCH)10.0
TREAD DEPTH (X/32")  16
STATIC LOADED RADIUS15.0
MAX SPEED (MPH)87

Tire Specifications

235/75R17.5 Change Size View all Sizes and Specs
  • SIZE 235/75R17.5
  • PLY RATING 18
  • SERVICE DESCRIPTION 143/141L
  • MAX SPEED 75
  • TREAD DEPTH 17
PRODUCT CODESUMI-5533471*
TIRE SIZE235/75R17.5
SERVICE DESCRIPTION143/141L
LOAD RANGE/PLYJ/18
PREF. RIM WIDTH (INCH)6.75
MIN. RIM WIDTH (INCH)6.75
SINGLE MAX LOAD (LBS.)6005
REVS PER MILE658
DUAL MAX LOAD (LBS.)5675
I.P. (PSI)127
OVERALL DIAMETER (INCH)31.6
SECTION WIDTH (INCH)9.4
MIN. DUAL SPACING (INCH)10.3
TREAD DEPTH (X/32")  17
STATIC LOADED RADIUS14.8
MAX SPEED (MPH)75

*For free rolling service in normal highway use

Tire Specifications

255/70R22.5 Change Size View all Sizes and Specs
  • SIZE 255/70R22.5
  • PLY RATING 16
  • SERVICE DESCRIPTION 140/137M
  • MAX SPEED 81
  • TREAD DEPTH 19
PRODUCT CODESUMI-5533496
TIRE SIZE255/70R22.5
SERVICE DESCRIPTION140/137M
LOAD RANGE/PLYH/16
PREF. RIM WIDTH (INCH)7.50
MIN. RIM WIDTH (INCH)6.75
SINGLE MAX LOAD (LBS.)5510
REVS PER MILE569
DUAL MAX LOAD (LBS.)5070
I.P. (PSI)120
OVERALL DIAMETER (INCH)36.5
SECTION WIDTH (INCH)9.8
MIN. DUAL SPACING (INCH)11.3
TREAD DEPTH (X/32")  19
STATIC LOADED RADIUS17.1
MAX SPEED (MPH)81

Tire Specifications

275/70R22.5 Change Size View all Sizes and Specs
  • SIZE 275/70R22.5
  • PLY RATING 18
  • SERVICE DESCRIPTION 148/145M
  • MAX SPEED 81
  • TREAD DEPTH 18
PRODUCT CODESUMI-5533462
TIRE SIZE275/70R22.5
SERVICE DESCRIPTION148/145M
LOAD RANGE/PLYJ/18
PREF. RIM WIDTH (INCH)8.25
MIN. RIM WIDTH (INCH)7.50
SINGLE MAX LOAD (LBS.)6940
REVS PER MILE548
DUAL MAX LOAD (LBS.)6395
I.P. (PSI)130
OVERALL DIAMETER (INCH)37.9
SECTION WIDTH (INCH)10.9
MIN. DUAL SPACING (INCH)12.2
TREAD DEPTH (X/32")  18
STATIC LOADED RADIUS17.7
MAX SPEED (MPH)81

Tire Specifications

245/70R19.5 Change Size View all Sizes and Specs
  • SIZE 245/70R19.5
  • PLY RATING 16
  • SERVICE DESCRIPTION 136/134N
  • MAX SPEED 87
  • TREAD DEPTH 16
PRODUCT CODESUMI-5533486
TIRE SIZE245/70R19.5
SERVICE DESCRIPTION136/134N
LOAD RANGE/PLYH/16
PREF. RIM WIDTH (INCH)7.50
MIN. RIM WIDTH (INCH)6.75
SINGLE MAX LOAD (LBS.)4940
REVS PER MILE628
DUAL MAX LOAD (LBS.)4675
I.P. (PSI)120
OVERALL DIAMETER (INCH)33.1
SECTION WIDTH (INCH)9.5
MIN. DUAL SPACING (INCH)10.6
TREAD DEPTH (X/32")  16
STATIC LOADED RADIUS15.4
MAX SPEED (MPH)87

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*Exclusions apply. Click here for full warranty details.