| Cooper Tires: Commercial |
| Roadmaster RM185 |
| The 18.5/32" tread depth combined with solid shoulder ribs make this tire ideally suited to regional haul and pick-up & delivery service. The rib edge siping is designed to promote even wear in longer hauls. |
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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 |
| Roadmaster RM185 |
11R22.5 |
144 L |
0 |
G |
BLK |
7.5 - 8.25 |
8.25 |
10.79 |
41.42 |
0 |
6175 |
18.5 |
| Roadmaster RM185 |
11R22.5 |
146 L |
0 |
H |
BLK |
7.5 - 8.25 |
8.25 |
10.79 |
41.42 |
0 |
6610 |
18.5 |
| Roadmaster RM185 |
295/75R22.5 |
144 L |
0 |
G |
BLK |
8.25 - 9 |
9 |
11.65 |
39.9 |
0 |
6175 |
18.5 |
| Roadmaster RM185 |
11R24.5 |
146 L |
0 |
G |
BLK |
7.5 - 8.25 |
8.25 |
10.94 |
43.46 |
0 |
6610 |
18.5 |
| Roadmaster RM185 |
11R24.5 |
149 L |
0 |
H |
BLK |
7.5 - 8.25 |
8.25 |
10.94 |
43.46 |
0 |
7160 |
18.5 |
| Roadmaster RM185 |
285/75R24.5 |
144 L |
0 |
G |
BLK |
8.25 - 8.25 |
8.25 |
10.75 |
41.5 |
0 |
6175 |
18.5 |
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