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Cooper Discoverer S/T Maxx LT 255/75R17 111/108Q C (6 Ply) RT R/T Rugged Terrain Tire
  • Cooper Discoverer S/T Maxx LT 255/75R17 111/108Q C (6 Ply) RT R/T Rugged Terrain Tire
  • Cooper Discoverer S/T Maxx LT 255/75R17 111/108Q C (6 Ply) RT R/T Rugged Terrain Tire
  • Cooper Discoverer S/T Maxx LT 255/75R17 111/108Q C (6 Ply) RT R/T Rugged Terrain Tire

Cooper Discoverer S/T Maxx

All Season Tires LT 255/75R17 111/108 Q
LT 255/75R17 111/108 Q All Season Tires
Tire specifications: Tire specs:
Load / Speed: 111/108 Q
Load Range: C (6 Ply)
Run Flat: No
MPN: 90000019975
SKU: N928347-99
Order before 1pm EST and your items will ship same dayRim NOT INCLUDEDTread pattern may vary from pictures

Out of stock

Order before 1pm EST and your items will
ship same day

Tire Specifications

ModelDiscoverer S/T Maxx
Load Index111/108
Speed RatingQ
Load RangeC (6 Ply)
TypeLight Truck
PerformanceRugged Terrain
SeasonAll Season
Run FlatNo
SidewallBSW: Black Side Wall
Tread Depth18/32
Section Width255
Aspect Ratio75
Rim Diameter17
OE MarkingsN/A


Cooper Discoverer S/T Maxx LT 255/75R17 111/108Q C (6 Ply) RT R/T Rugged Terrain Tire

Cooper Discoverer S/T Maxx


  • All weather traction
  • Rugged terrain traction
  • Enhanced durability
  • Longer tread life


The Cooper Discoverer S/T Maxx is a rugged terrain, all season tire manufactured for light trucks.

The tire provides great all weather traction. The tread block placement and the durable silica-enhanced compound work together to increase the dry, wet and winter weather road gripping ability. The compound keeps its flexibility even in colder temperatures, while the tread elements find firm grip throughout the year. The wide grooves avoid hydroplaning by dispersing water and slush from below the footprint and ensure a secure driving experience. The constant road contact and traction guarantee a safer performance both on- and off-road.

The tread design upgrades the model’s versatile terrain performance. The tread blocks firmly grip the soft, loose and uneven terrain surfaces. As a result, the tire is capable of handling harsher off-road surfaces with ease. The special tread features stone ejectors, wide grooves and the dual-draft and non-parallel groove walls keep the footprint clean by eliminating mud and snow and ejecting rocks stuck between the tread elements. The constantly clean footprint and the excellent traction ensure a secure on- and off-road driving experience.

The tire was manufactured with the Armor-Tek3 carcass construction. This increases the tire’s durability against the driving pressure and road conditions affecting it. The stronger structure prevents the deformation of the tire’s optimal shape, which allows the model to perform well in all conditions and on all road and terrain surfaces. The reinforced construction, along with the chip and cut resistant tire compound, also protects the tread area and the sidewalls from off-road damage and promotes exceptional driving security.

The tread pattern features a hybrid four-five rib design that places the tread blocks into a Y-shaped pattern. The optimized tread block placement evenly distributes the driving pressure along the tread area. In this manner, the forces of acceleration, cornering and braking are equally spread out along the tire’s surface, which actively resists the formation of irregular tread wear. The prevention of uneven tread wear lengthens the tread life, making the tire usable for a longer period of time.

The Discoverer S/T Maxx’s varying tread block placement decreases the road noise levels during on-road performance. The tread design channels the airwaves through the tire’s footprint, without letting them come into contact with the tread elements. As a result, road noise is not generated while the tires are in motion which promotes a quiet and comfortable driving experience.

Below is a list of some popular vehicles that 255/75R17 tires may fit depending on Year & Option. However the list does not cover all vehicle's that these tires can fit:

  • Jeep Wrangler JK Rubicon
  • Jeep Wrangler JK Sport S
  • Jeep Wrangler JK Unlimited Rubicon
  • Jeep Wrangler JK Unlimited Sport S
  • Jeep Wrangler JK Unlimited Willys Wheeler
  • Jeep Wrangler Rubicon
  • Jeep Wrangler Sahara
  • Jeep Wrangler Sport
  • Jeep Wrangler Sport S
  • Jeep Wrangler Unlimited Moab
  • Jeep Wrangler Unlimited Rubicon
  • Jeep Wrangler Unlimited Sahara
  • Jeep Wrangler Unlimited Sport
  • Jeep Wrangler Unlimited Sport S
  • Jeep Wrangler Unlimited X
  • Jeep Wrangler X
  • Jeep Wrangler X-S
  • Lincoln Navigator


Tires Fit on These Vehicles*

IMPORTANT INFORMATION: Please note this is Original Equipment (O.E.) tire size only. The O.E. size is determined by the year, make, model and options of the vehicle. Original Equipment size data is the best information we currently have available to us. Priority Tire LLC is not responsible for fitment errors. The most important aspect of purchasing a tire is its size, which cannot vary. It is buyer's responsibility to verify the tire size information. It is buyer's responsibility to verify whether a specific tire is suitable for a specific vehicle. However, this tire size may be fitted on other vehicles as well. To ensure that you are purchasing the correct tire size for your vehicle, please check the size of your currently mounted tires (locate on the tire's sidewall). The tire's sidewall also features the speed and load rating, indicating the speed and load capacity of the specific tire. The speed and load index can differ from the tires you currently have mounted on your vehicle up to a degree. Please check your vehicle's Owner's Manual or consult with your mechanic regarding the changes of your tire's speed rating and load index. If you have any questions regarding your tire size , speed rating and load index please contact us prior to purchasing and confirm with certified auto technician of any variance in speed and load index and sizes.