| Cooper Tires: Light Truck |
| Discoverer STT |
| The Discoverer STT is Cooper’s premium high void off-road light truck traction tire designed for drivers who want the utmost in off-road traction. It is offered in a wide range of commercial and large diameter flotation sizes and is designed for use on pickups, SUVs and off-road vehicles. |
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Tire Specifications
| Name |
Tire Size |
Service Description |
UTQG |
Load Range |
Sidewall |
Approved Rim Width |
Measured Rim Width |
Section Width |
Overall Diameter |
Tread Width |
Max Load |
Tread Depth |
| Discoverer STT |
30X9.50R15LT |
104 Q |
0 |
C |
OWL |
6.5 - 8.5 |
7.5 |
9.8 |
29.7 |
7.8 |
1985 |
20 |
| Discoverer STT |
31X10.50R15LT |
109 Q |
0 |
C |
OWL |
7 - 9 |
8.5 |
10.85 |
30.75 |
8.3 |
2270 |
20 |
| Discoverer STT |
32X11.50R15LT |
113 Q |
0 |
C |
OWL |
8 - 10 |
9 |
11.4 |
31.76 |
9 |
2535 |
20 |
| Discoverer STT |
33X12.50R15LT |
108 Q |
0 |
C |
OWL |
8.5 - 11 |
10 |
12.08 |
32.76 |
9.7 |
2205 |
20.5 |
| Discoverer STT |
35X12.50R15LT |
113 Q |
0 |
C |
OWL |
8.5 - 11 |
10 |
12.2 |
34.76 |
10 |
2535 |
20.5 |
| Discoverer STT |
LT235/75R15 |
104 Q |
0 |
C |
OWL |
6 - 7 |
6.5 |
9.45 |
29.09 |
7 |
1985 |
18 |
| Discoverer STT |
LT215/85R16 |
115 Q |
0 |
E |
BLK |
5.5 - 7 |
6 |
8.08 |
30.63 |
6.1 |
2680 |
17.5 |
| Discoverer STT |
LT235/85R16 |
120 Q |
0 |
E |
BLK |
6 - 7 |
6.5 |
9.7 |
31.8 |
7.3 |
3042 |
18 |
| Discoverer STT |
LT325/80R16 |
124 Q |
0 |
D |
BLK |
8.5 - 11 |
9 |
13.1 |
36.78 |
10.8 |
3525 |
20.5 |
| Discoverer STT |
LT225/75R16 |
115 Q |
0 |
E |
OWL |
6 - 7 |
6 |
8.7 |
29.53 |
6.7 |
2680 |
17.5 |
| Discoverer STT |
LT245/75R16 |
120 Q |
0 |
E |
BLK |
6.5 - 7 |
7 |
9.45 |
30.7 |
7.6 |
3042 |
18 |
| Discoverer STT |
LT265/75R16 |
123 Q |
0 |
E |
OWL |
7 - 8 |
7.5 |
10.1 |
32 |
8.25 |
3415 |
18 |
| Discoverer STT |
LT285/75R16 |
122 Q |
0 |
D |
OWL |
7.5 - 9 |
8 |
11.3 |
33.1 |
8.85 |
3305 |
18 |
| Discoverer STT |
LT315/75R16 |
121 Q |
0 |
D |
OWL |
8 - 10 |
8.5 |
11.92 |
34.47 |
9.8 |
3195 |
20 |
| Discoverer STT |
LT255/70R16 |
108 Q |
0 |
C |
OWL |
6.5 - 8 |
7.5 |
10.56 |
30.31 |
8 |
2205 |
17.5 |
| Discoverer STT |
LT265/70R16 |
110 Q |
0 |
C |
OWL |
7 - 8.5 |
8 |
10.94 |
30.86 |
8.4 |
2335 |
18.5 |
| Discoverer STT |
LT305/70R16 |
118 Q |
0 |
D |
OWL |
8 - 9.5 |
9 |
12 |
33.07 |
9.8 |
2910 |
19 |
| Discoverer STT |
33X12.50R17LT |
114 Q |
0 |
D |
OWL |
8.5 - 11 |
10 |
12.54 |
32.76 |
9.8 |
2600 |
20.5 |
| Discoverer STT |
35X12.50R17LT |
119 Q |
0 |
D |
OWL |
8.5 - 11 |
10 |
12.67 |
34.76 |
9.8 |
3000 |
20.5 |
| Discoverer STT |
37X12.50R17LT |
124 P |
0 |
D |
BLK |
8.5 - 11 |
10 |
13.1 |
36.9 |
10 |
3525 |
23 |
| Discoverer STT |
LT245/70R17 |
119 Q |
0 |
E |
BLK |
6.5 - 8 |
7 |
9.6 |
30.7 |
7.6 |
3000 |
18 |
| Discoverer STT |
LT265/70R17 |
121 Q |
0 |
E |
OWL |
7 - 9 |
8 |
10.8 |
31.9 |
8.25 |
3195 |
18 |
| Discoverer STT |
LT285/70R17 |
121 Q |
0 |
D |
OWL |
7.5 - 9.5 |
8.5 |
11.5 |
33 |
8.85 |
3195 |
18 |
| Discoverer STT |
LT295/70R17 |
121 Q |
0 |
D |
BLK |
7.5 - 10 |
8.5 |
11.8 |
33.45 |
9.4 |
3195 |
20.5 |
| Discoverer STT |
35X12.50R18LT |
123 Q |
0 |
E |
OWL |
8.5 - 11 |
10 |
12.5 |
34.76 |
10 |
3415 |
20 |
| Discoverer STT |
LT275/70R18 |
125 Q |
0 |
E |
BLK |
7 - 9 |
8 |
11 |
33.35 |
8.8 |
3640 |
20.5 |
| Discoverer STT |
LT275/65R18 |
113 Q |
0 |
C |
OWL |
7.5 - 9 |
8 |
10.98 |
32.32 |
8.45 |
2535 |
18 |
| Discoverer STT |
LT325/65R18 |
127 N |
0 |
E |
BLK |
9 - 12 |
9.5 |
13.5 |
34.75 |
10.8 |
3860 |
23 |
| Discoverer STT |
LT305/60R18 |
121 Q |
0 |
E |
BLK |
8.5 - 11 |
9 |
12.09 |
32.64 |
9.8 |
3195 |
20.5 |
| Discoverer STT |
LT325/60R18 |
124 N |
0 |
E |
BLK |
9 - 12 |
9.5 |
13.3 |
33.22 |
10.8 |
3525 |
23 |
| Discoverer STT |
33X12.50R20LT |
114 Q |
0 |
E |
BLK |
8.5 - 11 |
10 |
12.49 |
32.66 |
9.8 |
2600 |
20.5 |
| Discoverer STT |
35X12.50R20LT |
121 Q |
0 |
E |
BLK |
8.5 - 11 |
10 |
12.5 |
34.66 |
9.8 |
3195 |
20.5 |
| Discoverer STT |
35X13.50R20LT |
122 N |
0 |
E |
BLK |
8.5 - 11 |
11 |
13.65 |
34.65 |
10.5 |
3305 |
21 |
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