Free shipping
Best price guarantee
SimpleCrew exclusive savings
0% financing options
Free tire replacement coverage
24/7 roadside assistance
Easy returns
340/80R18 tires
*Rims not included with purchase of tires
Top 3 tires in Size 340-80R18
Top 3 tires in Size 340-80R18
Great tires, better deals
SimpleScore™
8.2
Great
Radial Duraforce AT-R R-4340/80R18 143B
In stock
No mileage warranty
Farm tire
SimpleScore™
8.5
Great
Join the SimpleCrew and get exclusive perks.
Get free access to discounts on select tires, personalized coupons, preferred customer service and more.
Best selling affordable brands
Best selling affordable brands
Most popular customer choices
SimpleScore™
7.0
Good
SimpleScore™
7.6
Good
All of our catalog
Shop 340/80R18 Tire Size
Shop 340/80R18 Tire Size
Designed for industrial, farm, and off-the-road (OTR) applications, 340/80R18 tires are usually tough with a sturdy sidewall and overall build as they need to shoulder some heavy-duty tasks at various job sites. Whether it’s their silica compound, stiffness of their rubber, or tread design, these tires offer incredible durability and prolong tread life. If you’re looking for a new set of 340/80R18 tires, take a look at the Alliance (585) IND SB R-4,Galaxy Multi Use 550 as each tire offers great traction and durability for your work needs.