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.


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

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 Sidewall Product Code Load / Speed
16 LT235/85R16 BSW 364010 120/116Q
16 LT245/75R16 BSW 364020 120/116R
16 LT265/75R16 BSW 364030 123/120Q
16 LT285/75R16 BSW 364040 126/123Q
17 LT225/75R17 BSW 364060 116/113Q
17 LT235/80R17 BSW 364070 120/117R
17 LT245/75R17 BSW 364090 121/118S
17 LT265/70R17 BSW 364050 121/118R
18 LT265/70R18 BSW 364120 124/121R
18 LT275/65R18 BSW 364100 123/120S
18 LT275/70R18 BSW 364110 125/122S

TD = Tuff Duty, XT = Xtreme, 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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