Write a Review
Nitto
Nitto NIT Ridge Grappler 37X13.50R20/10
Nitto NIT Ridge Grappler 37X13.50R20/10
📧 Get Fitment Help
Verify parts fit & get product recommendations
Lease-to-own for as low as
/week
Get Started
Guaranteed to Fit — confirm your size with the fitment checker on this page
Price Match Guarantee Learn More
Free Mount & Balance
Free Shipping
IN STOCK (266 wheels)
📧 Get Fitment Help
Verify parts fit & get product recommendations
The Nitto Ridge Grappler in 37X13.5R20 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
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 127 — a maximum load of 3,858 lbs per tire. The speed symbol Q corresponds to a maximum sustained speed of 99 mph.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | 37X13.50R20/10 |
| Tire Type | All Season |
| Service Description | 127Q |
| Load Index | 127 |
| Speed Rating | Q |
| Load Range | E |
| Section Width (mm) | 13.50 |
| Aspect Ratio | 37 |
| Overall Diameter (in) | 36.77 |
| Tread Depth (/32") | 18.3 |
Frequently asked questions
What does 127Q mean on the Nitto Ridge Grappler?
127Q breaks down as load index 127 — rated for 3,858 lbs per tire — with a Q speed rating, good for a maximum sustained 99 mph.
What kind of tire is the Nitto Ridge Grappler?
The Nitto Ridge Grappler in 37X13.5R20 is a all season tire.
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.
Keep shopping
See every Nitto Ridge Grappler size, or view all tires at ThreePiece.us.
- Brand:
- Nitto
- Model:
- Ridge Grappler
- Size:
- 37X13.50R20/10
- Aspect Ratio:
- 37
- Load Index:
- 127
- Load Range:
- E
- Section Width:
- 13.50
- Service Description:
- 127Q
- Speed Index:
- Q
- Tire Rim Diameter:
- 36.77
- Tire Type:
- All Season
- Tread Depth:
- 18.3
PRODUCT REVIEWS (0)
Overall Rankings
Have you tried this product?
WRITE A REVIEWNo reviews for this product yet. Be the first to write a review!
Write a Review