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Cooper Discoverer STT Pro Specifications

Size

Service
Description

Load Range

UTQG

Max. Load

Max. Inflation
Pressure

Tread Depth

Tire Weight

Rim Width
Range

Meas. Rim Width

Sect. Width

Tread Width

Overall Diam.

Revs. Per Mile

Country of
Origin*

31X10.5R15LT

109Q
C
None
2,270 lbs
50 psi
20/32"
48 lbs
7-9"
8.5"
10.7"
9"
30.8"
674
US

32X11.5R15LT

113Q
C
None
2,535 lbs
50 psi
20/32"
54 lbs
8-10"
9"
11.7"
9.6"
31.6"
657
US

33X12.5R15LT

108Q
C
None
2,205 lbs
35 psi
21/32"
59 lbs
8.5-11"
10"
12.2"
10.3"
32.7"
634
US

35X12.5R15LT

113Q
C
None
2,535 lbs
35 psi
21/32"
67 lbs
8.5-11"
10"
13.1"
10.6"
34.6"
600
US

LT235/85R16

120/116Q
E
None
3,042 lbs
80 psi
18/32"
48 lbs
6-7.5"
6.5"
9.6"
7.6"
31.9"
650
US

LT245/75R16

120/116Q
E
None
3,042 lbs
80 psi
18/32"
46 lbs
6.5-8"
7"
9.6"
8.1"
30.7"
675
US

LT265/75R16

123/120Q
E
None
3,415 lbs
80 psi
18.5/32"
54 lbs
7-8"
7.5"
10.7"
9.4"
31.9"
650
US

LT285/75R16

126/123Q
E
None
3,750 lbs
80 psi
19/32"
60 lbs
7.5-9"
8"
11.2"
9.4"
33"
628
US

LT305/70R16

124/121Q
E
None
3,525 lbs
65 psi
19.5/32"
61 lbs
8-9.5"
9"
12.3"
10.4"
33"
628
US

LT265/70R17

121/118Q
E
None
3,195 lbs
80 psi
18.5/32"
54 lbs
7-8.5"
8"
10.7"
9"
31.9"
649
US

LT295/70R17

121/118Q
E
None
3,195 lbs
80 psi
21/32"
65 lbs
7.5-10"
8.5"
12"
10.2"
33.5"
620
US

LT305/65R17

121/118Q
E
None
3,195 lbs
65 psi
21/32"
63 lbs
8.5-11"
9"
12.3"
10.4"
32.7"
634
US

LT315/70R17

121/118Q
E
None
3,195 lbs
65 psi
21/32"
66 lbs
8-11"
9.5"
12.6"
10.5"
34.6"
600
US

35X12.5R17LT

121Q
E
None
3,195 lbs
65 psi
21/32"
67 lbs
10.5"
US

37X12.5R17LT

124Q
D
Pending
3,525 lbs
50 psi
21/32"
77 lbs
8.5-11"
10"
13"
36.8"
US

37X13.5R17LT

121Q
E
None
3,195 lbs
65 psi
22/32"
83 lbs
8.5-11"
11"
13.3"
11.4"
36.8"
564
US

40X13.5R17LT

121Q
C
None
3,195 lbs
35 psi
21/32"
93 lbs
8.5-11"
11"
13.6"
11.4"
39.8"
521
US

LT275/65R18

123/120Q
E
None
3,415 lbs
80 psi
19/32"
58 lbs
7.5-9"
8"
10.9"
9.3"
32.3"
642
US

LT275/70R18

125/122P
E
None
3,640 lbs
80 psi
20/32"
62 lbs
7-9"
8"
11.3"
9.7"
33.3"
622
US

LT285/65R18

125/122Q
E
None
3,640 lbs
80 psi
19/32"
62 lbs
8-10"
8.5"
11.8"
9.9"
32.9"
630
US

LT295/70R18

129/126P
E
None
4,080 lbs
80 psi
21/32"
68 lbs
7.5-10"
8.5"
12"
10.3"
34.5"
601
US

LT305/70R18

126/123Q
E
None
3,750 lbs
65 psi
21/32"
69 lbs
8-10"
9"
12.4"
10.4"
35.1"
591
US

37X13.5R18LT

124Q
D
None
3,525 lbs
50 psi
22/32"
84 lbs
8.5-11"
11"
13.3"
11.5"
36.8"
564
US

LT275/65R20

126/123Q
E
None
3,750 lbs
80 psi
19.5/32"
63 lbs
7.5-9.5"
8"
10.9"
9.6"
34.5"
601
US

LT295/55R20

123/120Q
E
None
3,415 lbs
80 psi
20/32"
64 lbs
8-10"
9.5"
12.3"
10.7"
33.1"
627
US

LT295/60R20

126/123Q
E
None
3,750 lbs
80 psi
19.5/32"
66 lbs
8-10"
8.5"
11.5"
10.1"
34.3"
605
US

LT295/65R20

129/126Q
E
None
4,080 lbs
80 psi
19.5/32"
68 lbs
8-10"
8.5"
11.7"
10.1"
35.4"
585
US

LT305/55R20

125/122Q
F
None
3,640 lbs
80 psi
20.5/32"
68 lbs
8.5-11"
9.5"
12.4"
10.9"
33.5"
619
US

35X12.5R20LT

125Q
F
None
3,640 lbs
80 psi
21/32"
68 lbs
8.5-11"
10"
12.4"
10.7"
34.6"
598
US

35X12.5R20LT

121Q
E
None
3,195 lbs
65 psi
21/32"
69 lbs
8.5-11"
10"
12.4"
10.7"
34.7"
598
US

35X13.5R20LT

121Q
E
None
3,305 lbs
65 psi
21/32"
78 lbs
8.5-11"
11"
13.2"
11.6"
34.6"
600
US

37X13.5R20LT

127Q
E
None
3,860 lbs
65 psi
21/32"
82 lbs
8.5-11"
11"
13.3"
11.3"
36.9"
563
US

38X13.5R20LT

123Q
D
None
3,415 lbs
50 psi
21/32"
85 lbs
8.5-11"
11"
13.6"
11.3"
38.2"
543
US

38X15.5R20LT

128Q
E
None
3,970 lbs
65 psi
21/32"
96 lbs
11-13"
12"
15.4"
12.8"
37.8"
548
US

35X12.5R22LT

121Q
F
None
3,195 lbs
80 psi
21/32"
74 lbs
10.9"
US

37X13.5R22LT

123Q
E
None
3,415 lbs
65 psi
21/32"
81 lbs
8.5-11"
11"
13.4"
11.3"
36.9"
562
US
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Notes

Specifications shown are as accurate as possible based on the information provided to us by the tire manufacturers. The dimensions reflect average values for tires measured on the specified measuring rim width. Individual tires may vary from data shown.

All tires are subject to continuous development. The tire manufacturers and Tire Rack reserve the right to change product specifications at any time without notice or obligation.

*Although regularly updated, the country of origin for tires may vary from what is shown. Unfortunately, we cannot accommodate requests for tires with a specific country of origin.

For assistance selecting products for your vehicle, please contact our sales specialists at 888-541-1777 or via email.

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