Nitto Ridge Grappler 37x13.50R17 Tires

Nitto Ridge Grappler 37x13.50R17 E 121Q is an all-terrain tire priced from $440.00.

Nitto Ridge Grappler 37x13.50R17 E 121Q Tire Specs

37x13.50R17 is a Flotation tire.

Let us decode each aspect of the tire size code to have a full understanding what this tire size means.

37 is the overall diameter of a tire, or tire height, when it is fully inflated and not under load. For 37x13.50R17, tire diameter is 37 inches.

13.50 indicates the section width of the tire from one sidewall to the other. Tire tread width is typically a bit narrower than the section width. Section width of 37x13.50R17 tire is 13.50 inches.

R denotes that 37x13.50R17 tire has radial construction.

17 represents the wheel diameter in inches that the tire is designed to fit. 37x13.50R17 can be mounted on rims with 17 inches in diameter.

E denotes the load range of a tire. Load Range E is equivalent to a 10-ply rating, but this doesn't mean the tire actually has 10 physical plies. These tires are generally rated for a maximum inflation pressure of 80 psi, and are commonly used on vehicles that carry heavy cargo or tow trailers, such as full-size vans, pickup trucks, and larger SUVs. They are also found on commercial trucks and RVs.

121 indicates the load index. A tire with a load index of 121 can support a maximum load of 3197 pounds or 1450 kilograms per tire.

Q indicates the speed rating. A tire with a speed rating of Q is approved for speeds up to 99 miles per hour or 159 kilometers per hour under optimal conditions.

Maximum inflation for Nitto Ridge Grappler 37x13.50R17 tire is 65 psi.

Tire manufacturer part number (MPN) is 217450.