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Cooper
Cooper Discoverer STT Pro 37X13.50R22/10 123Q - 170140006
Cooper Discoverer STT Pro 37X13.50R22/10 123Q - 170140006
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The Cooper Discoverer STT Pro in 37X13.5R22 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 37X13.5R22 means
Flotation sizes read in inches: 37X13.5R22 stands about 37 inches tall, measures about 13.5 inches wide, and mounts on a 22-inch wheel. At that nominal height it turns roughly 545 revolutions per mile. Overall diameter is the number to watch for clearance and speedometer accuracy when you size up.
The service description on this tire decodes to a load index of 123 — a maximum load of 3,417 lbs per tire. The speed symbol Q corresponds to a maximum sustained speed of 99 mph.
Specifications
| Size | 37X13.50R22/10 |
| Tire Type | All Season |
| Service Description | 123Q |
| Load Index | 123 |
| Speed Rating | Q |
| Load Range | 10 |
| Section Width (mm) | 13.50 |
| Aspect Ratio | 37 |
| Overall Diameter (in) | 36.89 |
| Tread Depth (/32") | 21 |
Frequently asked questions
What does 123Q mean on the Cooper Discoverer STT Pro?
123Q breaks down as load index 123 — rated for 3,417 lbs per tire — with a Q speed rating, good for a maximum sustained 99 mph.
What kind of tire is the Cooper Discoverer STT Pro?
The Cooper Discoverer STT Pro in 37X13.5R22 is a all season tire.
Will 37X13.5R22 tires fit my vehicle?
Check the size molded into your current tire's sidewall or the tire placard inside the driver's door jamb — if it reads 37X13.5R22, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right.
Keep shopping
Browse Cooper tires, see every Cooper Discoverer STT Pro size, or view all tires at ThreePiece.us.
- BRAND:
- Cooper
- Model:
- Discoverer STT Pro
- Size:
- 37X13.50R22/10
- Aspect Ratio:
- 37
- Load Index:
- 123
- Load Range:
- 10
- Section Width:
- 13.50
- Service Description:
- 123Q
- Speed Index:
- Q
- Tire Rim Diameter:
- 36.89
- Tire Type:
- All Season
- Tread Depth:
- 21
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