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Nitto
Nitto NIT Ridge Grappler 33X12.50R18/12
Nitto NIT Ridge Grappler 33X12.50R18/12
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The Nitto Ridge Grappler in 33X12.5R18 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 33X12.5R18 means
Flotation sizes read in inches: 33X12.5R18 stands about 33 inches tall, measures about 12.5 inches wide, and mounts on a 18-inch wheel. At that nominal height it turns roughly 611 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 122 — a maximum load of 3,307 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 | 33X12.50R18/12 |
| Tire Type | All Season |
| Service Description | 122Q |
| Load Index | 122 |
| Speed Rating | Q |
| Load Range | F |
| Section Width (mm) | 12.50 |
| Aspect Ratio | 33 |
| Overall Diameter (in) | 32.76 |
| Tread Depth (/32") | 18.3 |
Frequently asked questions
What does 122Q mean on the Nitto Ridge Grappler?
122Q breaks down as load index 122 — rated for 3,307 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 33X12.5R18 is a all season tire.
Will 33X12.5R18 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 33X12.5R18, 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:
- 33X12.50R18/12
- Aspect Ratio:
- 33
- Load Index:
- 122
- Load Range:
- F
- Section Width:
- 12.50
- Service Description:
- 122Q
- Speed Index:
- Q
- Tire Rim Diameter:
- 32.76
- Tire Type:
- All Season
- Tread Depth:
- 18.3
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