Dura Grappler
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Specifications
| Size | LT305/55R20 E Dura Grappler |
|---|---|
| Width | 305 mm |
| Aspect ratio | 55 |
| Rim diameter | R20 |
| Load index | 121 |
| Speed rating | R |
| Ply rating | 10 |
| Treadwear warranty | 45,000 miles |
|---|---|
| Tread depth | 16/32" |
| Weight | 65.61 lbs |
| Max pressure | 65 psi |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Nitto Dura Grappler
Highway-Terrain Passenger Light Truck/SUV tire.
Features
* Bridges added between tread blocks to join individual blocks into continuous ribs and combined with harder compounds* Dura-Belt® 3Steel Belted Technology reinforces and stabilizes the tire’s internal construction* Dura Grappler® features two distinct sidewall designs. Tread patterns will vary by size: LT-Metric sizes are offered in a durable 4-rib design, while P-Metric sizes have a quiet 5-rib design* 60,000-Mile Limited Treadwear Warranty for P-Metric/Metric sizes* 45,000-Mile Limited Treadwear warranty for Dura-Belt® sizes
Benefits
* Stabilizes the tire and reduces tread flex for improved tread life* To help reduce irregular wear and improve treadlife* Ability to customize your look
Understanding the LT305/55R20 E size
In the size code 305/55R20, 305 is the section width in millimetres (about 12"). 55 is the aspect ratio — the sidewall height is 55% of the width, or roughly 167.8 mm. R20 means radial construction on a 20-inch wheel, giving an approximate overall diameter of 33.2".
The load index 121 means each tire supports up to 3,197 lbs — about 12,788 lbs across a full set of four. The speed symbol R certifies the tire to 106 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.
Price and value
At $292.50 per tire, a full set of four costs $1170.00. That is about 15% below the average price of the 62 tires we stock in this size. Backed by a 45,000-mile treadwear warranty, that works out to roughly $26.00 per 1,000 miles across the set.
Frequently asked questions
What does the tire size 305/55R20 mean?
305 is the section width in millimetres, 55 is the aspect ratio (sidewall height as a percentage of width, about 167.8 mm), and R20 indicates radial construction for a 20-inch wheel. Overall diameter is approximately 33.2 inches.
What are the load and speed ratings of the Nitto Dura Grappler LT305/55R20 E?
Its load index of 121 allows up to 3,197 lbs per tire. Its speed rating of R is certified to 106 mph. Check your door-jamb placard and do not fit a tire rated below the vehicle's requirement.
How much does a set of 4 Nitto Dura Grappler LT305/55R20 E tires cost?
A single tire is $292.50 and a set of four is $1170.00, covered by a 45,000-mile treadwear warranty.
Does the Dura Grappler come in other sizes?
Yes — we stock 24 additional Dura Grappler sizes besides LT305/55R20 E. Fit only a size approved for your vehicle.