Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Features, Description, Reviews, Q&A, Specs & Installation
| Brand | NITTO | 
| Tire Model | Ridge Grappler A/T | 
| Tire Type | All-Terrain | 
| Tire Size | 37" - 37x13.50R18 | 
| Tire Diameter | 37 | 
| Tire Load Index | 124 (3527 lbs per tire) | 
| Tire Load Rating | D | 
| Tire Tread Depth | 18/32" | 
| Tire Revs Per Mile | 545 | 
| Tire Speed Rating | (Q) Up to 99mph | 
| Tire Weight | 89.02 | 
Hybrid Terrain Performance for Extreme Builds. The NITTO Ridge Grappler A/T Tire (37x13.50R18) is the ultimate choice for enthusiasts who want the rugged grip of a mud-terrain with the quiet comfort of an all-terrain. Engineered for lifted vehicles running oversized wheels, this hybrid terrain tire delivers aggressive off-road traction, durable construction, and smooth on-road performance—all in a bold 37-inch package.
Unmatched Off-Road Capability. Featuring staggered tread blocks, alternating shoulder grooves, and stone ejectors, the NITTO Ridge Grappler A/T Tire (37" - 37x13.50R18) bites into dirt, gravel, mud, and rocky terrain with authority. Its wide 13.50-inch footprint provides maximum surface contact, giving drivers enhanced traction and stability when the trail gets tough.
Quiet and Comfortable on the Highway. Unlike traditional mud-terrain tires, the NITTO Ridge Grappler A/T Tire (37" - 37x13.50R18) uses a variable pitch tread pattern to minimize road noise and vibrations. The result is a smooth, quiet ride that makes daily driving and long-distance trips more enjoyable without compromising trail performance.
Dual Sidewall Design. Offering two unique sidewall patterns—one bold and aggressive, the other more traditional—the NITTO Ridge Grappler A/T Tire (37" - 37x13.50R18) lets you customize the look of your vehicle while adding sidewall reinforcement for extra protection against cuts, chips, and abrasions in rocky terrain.
Installation. Putting this NITTO Ridge Grappler A/T Tire (37" - 37x13.50R18) on your vehicle takes 1 hour to install.
Application. The NITTO Ridge Grappler A/T Tire (37" - 37x13.50R18) offers universal fitment.
NITTO NITO-217390
CA Residents:  WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
What's in the Box
Tech Guides:
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