Light Truck & SUV

Highway All-Season Tire

Extra-strong three-belt construction, deeper tread depths and less tread void make this tire ideal for high-torque diesel pickups towing trailers and hauling heavy loads. Designed to handle long, hard drives with ease, the Open Country H/T with Tuff Duty also offers balanced all-season performance and a comfortable ride.

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The Open Country H/T with Tuff Duty is covered by Toyo Tires' limited warranty. See warranty page for complete details.

Performance Ratings*
  • 0
  • 1
  • 2
  • 3
  • 4
  • 5
4.0 Dry Handling
3.5 Wet Handling
5.0 Tread Life
4.0 Ride Comfort

No Regrets

Deep Tread Depth

  • Tread depth up to 17/32nds.
  • Increases tread life for longer wear

Tuff Duty 3-Belt Construction

  • Reinforces and stabilizes internal tire construction for increased tread life.

Less Tread Void

  • More rubber equals larger, more evenly distributed contact with the road for longer tread life.

Tuff Duty logo on sidewall

  • Unique mark distinguishes Open Country H/T with Tuff Duty technology from standard Open Country H/T tires.
Wheel Diameter Tire Size Load / Speed Sidewall Construction Load ID Product Code
16 LT235/85R16 120/116Q BSW TD E 364010
16 LT245/75R16 120/116R BSW TD E 364020
16 LT265/75R16 123/120Q BSW TD E 364030
16 LT285/75R16 126/123Q BSW TD E 364040
17 LT225/75R17 116/113Q BSW TD E 364060
17 LT235/80R17 120/117R BSW TD E 364070
17 LT245/75R17 121/118S BSW TD E 364090
17 LT245/75R17 121/118R BSW TD E 364180
17 LT265/70R17 121/118R BSW TD E 364050
18 LT265/70R18 124/121R BSW TD E 364120
18 LT275/65R18 123/120S BSW TD E 364100
18 LT275/65R18 123/120R BSW TD E 364170
18 LT275/70R18 125/122S BSW TD E 364110
18 LT275/70R18 125/122R BSW TD E 364190

XT = Xtreme, TD = Tuff Duty, BSW = Black Sidewall, OWL = Outline White Lettering.
Speed rating M = 81 mph, N = 87 mph, P = 93 mph, Q = 99 mph, R = 106 mph, S = 112 mph, T = 118 mph, H = 130 mph, V = 149 mph, W = 168 mph, Y = 186 mph, (Y) = 195 mph
LT tires with: “C” load range have a 6-ply rating, “D” have a 8-ply rating, “E” have a 10-ply rating.

All Toyo brand tires are subject to continuous development. Toyo Tire U.S.A. Corp. reserves the right to change construction, materials or specifications without notice or obligation. Contact your Toyo Tires dealer or Toyo Tires for current information.

Vehicle fitments for the Open Country H/T with Tuff Duty include the following makes and models. To see if the Open Country H/T with Tuff Duty is right for your vehicle use our tire finder.


Chevrolet Silverado 3500
Ram 3500
Ford F-250
Ford F-350
Ford E-series
GMC Sierra 3500

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