Cooper Discoverer STT LT235/75R-15

  • Part Number: 76125
  • Service Description: 104 Q
  • Sidewall: OWL
  • Load Range: C (6 Ply)
  • Type: Light Truck All Terrain
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Cooper Discoverer STT LT235/75R-15

The Cooper Discoverer STT is an on and off-road mud terrain tire specially designed for drivers seeking strong traction, high performance, and durability. Ideal for off-road light trucks, SUVs, and pickups, the Cooper Discoverer STT does well on a variety of terrains while doing well on the road. The deep voids with channels that release suction make it self-cleaning so you don™t have to spend time washing your tires after every time you drive on muddy terrain. The siped lugs enhance traction both on and off the road by ejecting stones, mud, and snow while the 3-ply sidewalls enhance protection and resistance to puncture. Protecting your rims are the rim flange protectors. It also built with the Armor-Tek3 carcass constriction to enhance its resistance to impacts and bruising.

Features & Benefits

  • Scalloped shoulder lugs for excellent traction on soft surface like the highway and enhanced grip on hard surface like rocky and muddy terrain
  • Tapered stone ejectors to avoid stones and other elements from getting stuck in between the treads while improving overall traction on the highway
  • Superior resistance to puncture, impact, and bruises with its Armor-Tek3 carcass construction

Tire Specifications

Discoverer STT LT235/75R-15

Size UTQG Max. Load Inflation Pressure Tread Depth Rim Width Range Sect. Width Tread Width Overall Diam
LT235/75R-15 N/A 1,984 lbs N/A 18/32nds N/A 9" N/A 29"

Purchase includes the Cooper Discoverer STT tire only. The wheel rim shown in the picture is not included. Picture provided is a stock picture from the manufacturer and may or may not reflect the actual product being ordered.

All Cooper Discoverer STT tires are continuously developing with manufactured improvements. With that said, Simple Tire and the manufacturers have the right to change these tire specifications at any time without notice or obligation.

If you have any questions, please email us at [email protected]

Please Note: Specifications of the Cooper Discoverer STT tires shown above are listed to be as accurate as possible based on the information provided to us by Cooper tires.

Available Sizes & Prices

Discoverer STT LT235/75R-15

Size Serv. Desc. UTQG Sidewall Part Number Price Qty
LT31/10.50R15 109Q 0 OWL 76105 View Details
LT32/11.50R15 113Q 0 OWL 76117 View Details
LT33/12.50R15 108Q 0 OWL 76115 $943.68 set of 4 $235.92 View Details
LT33/12.50R17 114Q OWL 76116 View Details
LT33/12.50R20 114Q 0 BSW 76128 View Details
LT35/12.50R15 113Q 0 OWL 76118 View Details
LT35/12.50R17 119Q OWL 76119 View Details
LT35/12.50R18 123Q OWL 76127 View Details
LT35/12.50R20 121Q BSW 76130 $1655.68 set of 4 $413.92 View Details
35/12.50R17 121Q OWL 76137 $1571.68 set of 4 $392.92 View Details
LT35/13.50R20 122N BW 76131 View Details
LT37/12.50R17 124P BSW 76101 View Details
LT37/13.50R18 124Q BW 90000020388 View Details
LT37/13.50R17 124Q BW 90000020389 View Details
LT225/75R16 115Q OWL 76124 $943.68 set of 4 $235.92 View Details
LT235/75R15 104Q OWL 76125 View Details
LT235/85R16 120Q 0 BW 76104 $799.68 set of 4 $199.92 View Details
LT245/70R17 119Q BW 76102 $991.68 set of 4 $247.92 View Details
LT245/75R16 120Q 0 BW 76103 $823.68 set of 4 $205.92 View Details
LT255/70R16 108Q OWL 76122 $899.68 set of 4 $224.92 View Details
LT265/70R17 121Q 0 OWL 76109 View Details
LT265/75R16 123Q OWL 76111 View Details
LT275/65R18 113Q OWL 76108 View Details
LT275/65R18 123Q OWL 90000003153 View Details
LT275/65R18 123Q OWL 76143 View Details
LT275/70R18 125Q BW 76134 View Details
LT285/65R18 125Q OWL 90000020387 View Details
LT285/70R17 121Q OWL 76110 View Details
LT285/70R17 121Q OWL 76138 View Details
LT285/75R16 122Q OWL 76112 View Details
LT285/75R16 126Q OWL 90000003134 $1019.68 set of 4 $254.92 View Details
LT295/70R17 121Q BW 76139 View Details
LT295/70R17 121Q BW 76135 View Details
LT305/60R18 121Q 0 BW 76136 $1191.68 set of 4 $297.92 View Details
LT305/65R17 121Q OWL 90000020384 $987.68 set of 4 $246.92 View Details
LT305/70R16 118Q OWL 76121 $1331.68 set of 4 $332.92 View Details
LT305/70R16 124Q OWL 76142 View Details
LT315/70R17 121Q OWL 90000020385 View Details
LT315/75R16 121Q OWL 76126 View Details
LT315/75R16 127Q OWL 76141 View Details
LT325/60R18 124N BW 76133 View Details
LT325/65R18 127N 0 BW 76132 View Details
LT325/80R16 124Q BW 76113 View Details

Treadlife Warranty

Discoverer STT LT235/75R-15

This product is not covered by a manufacturer’s treadlife warranty.

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Ratings & Reviews

Cooper Discoverer STT

Joe Parrett
I bought these tires for my 2003 Ford Explorer Sport 4x4. I was actually looking for a little larger size tire and purchased some slightly larger through Simpletire. The larger sized tires ended up not fitting without a lift (which turns out, no one makes a lift for this model Explorer). I really didn't want to invest into a lift to begin with, so I returned the tires. Simpletire made the return very easy and were very accommodating. I was looking for an aggressive all weather/ terrain tire and the Cooper STT was one of the only available in my size. (255/70R16). The Cooper STT's look great, provide serious traction, and the ride noise is very minimal. They hook up great in the snow and off road. Everyday highway/ city driving is also very smooth with very little noise.
John Rhodes
Ilove these tires on my 05Z71 they handle great they are aggressive enough off road to handle what I do. They last really great on the hwy which I keep them rotated a lot with every oil change I've still got another 10,000-20,000 miles left on them I'll definitely get another set
Dan reis
I loved these tires got really good wear had on my 99 Dodge Ram reg cab short box 4inch lift I went threw MUD that went all the way up to my door couldn't open the door and let me tell guys I was EXTREMELY IMPRESSED I pretty much walked right threw it they clean out so dam well I got a lot of life out of the was never afraid of getting stuck all of my buds were supper impressed they wanted to buy a set I would have to say I love those tires not one thing to complain about had 285/75/16s 10ply I would run over shit and never worry about going flat heavy but for a good reason when I get another pickup hands down I am going to go out buy another set of cooper discover STT's for sure hang in there guys NEVER STOP MAKEING THESES TIRES

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