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Hercules
Hercules HER TIS Offroad TT1 37X13.50R20/12
Hercules HER TIS Offroad TT1 37X13.50R20/12
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Shop the Hercules TIS Offroad TT1 37X13.5R20 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 37X13.5R20 means
Flotation sizes read in inches: 37X13.5R20 stands about 37 inches tall, measures about 13.5 inches wide, and mounts on a 20-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 128 — a maximum load of 3,968 lbs per tire. The speed symbol Q corresponds to a maximum sustained speed of 99 mph.
Load Range F corresponds to a 12-ply rating.
Specifications
| Size | 37X13.50R20/12 |
| Tire Type | Mud Terrain |
| Service Description | 128Q |
| Load Index | 128 |
| Speed Rating | Q |
| Load Range | F |
| Section Width (mm) | 37 |
| Aspect Ratio | 13.5 |
| Overall Diameter (in) | 36.77 |
| Tread Depth (/32") | 21 |
Frequently asked questions
Will 37X13.5R20 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 37X13.5R20, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right.
What does 128Q mean on the Hercules TIS Offroad TT1?
128Q breaks down as load index 128 — rated for 3,968 lbs per tire — with a Q speed rating, good for a maximum sustained 99 mph.
What kind of tire is the Hercules TIS Offroad TT1?
The Hercules TIS Offroad TT1 in 37X13.5R20 is a mud terrain tire.
Keep shopping
See every Hercules TIS Offroad TT1 size, explore mud terrain tires, or view all tires at ThreePiece.us.
- BRAND:
- Hercules
- Model:
- HER TIS Offroad TT1
- Size:
- 37X13.50R20/12
- Aspect Ratio:
- 13.5
- Load Index:
- 128
- Load Range:
- F
- Section Width:
- 37
- Service Description:
- 128Q
- Speed Index:
- Q
- Temperature:
- N/A
- Tire Rim Diameter:
- 36.77
- Tire Type:
- Mud Terrain
- Traction:
- N/A
- Tread Wear:
- N/A
- Tread Depth:
- 21
- UQTG:
- N/A
- Warranty:
- N/A
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