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Nexen
Nexen NEX Roadian MTX 37X12.50R20/12
Nexen NEX Roadian MTX 37X12.50R20/12
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Looking for a 37X12.5R20 mud terrain tire? The Nexen Roadian MTX is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 37X12.5R20 means
Flotation sizes read in inches: 37X12.5R20 stands about 37 inches tall, measures about 12.5 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 | 37x12.50R20/12 |
| Tire Type | Mud Terrain |
| Service Description | 128Q |
| Load Index | 128 |
| Speed Rating | Q |
| Load Range | F (12 Ply) |
| Section Width (mm) | 12.5 |
| Overall Diameter (in) | 20 |
| Tread Depth (/32") | 21 |
Frequently asked questions
What kind of tire is the Nexen Roadian MTX?
The Nexen Roadian MTX in 37X12.5R20 is a mud terrain tire.
Will 37X12.5R20 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 37X12.5R20, 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 Nexen Roadian MTX?
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.
Keep shopping
See every Nexen Roadian MTX size, explore mud terrain tires, or view all tires at ThreePiece.us.
- BRAND:
- Nexen
- Model:
- NEX Roadian MTX
- Size:
- 37x12.50R20/12
- Aspect Ratio:
- N/A
- Load Index:
- 128
- Load Range:
- F (12 Ply)
- Section Width:
- 12.5
- Service Description:
- 128Q
- Speed Index:
- Q
- Temperature:
- N/A
- Tire Rim Diameter:
- 20
- Tire Type:
- Mud Terrain
- Traction:
- N/A
- Tread Wear:
- N/A
- Tread Depth:
- 21
- UQTG:
- N/A
- Warranty:
- N/A
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