BFGoodrich Mud-Terrain T/A KM3 All-Season 39x13.50R17/C 121Q Tire
BFGoodrich Mud-Terrain T/A KM3 All-Season 39x13.50R17/C 121Q Tire
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BFGoodrich Mud-Terrain T/A KM3 All-Season 39x13.50R17/C 121Q Tire

3.8 stars out of 126 reviews
(3.8)|
126 ratings
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Key item features

  • Extreme Traction: Massive tread blocks and Mud-Phobic Bars are uniquely designed to deliver incredible grip and release compacted mud for continued traction in mud and loose soil.
  • Robust Durability: Features CoreGard Max Technology with split- and puncture-resistant sidewall rubber, derived from race-proven Baja T/A KR3 tires.
  • Sidewall Protection: Traction-Armor Sidewall Sculpture helps prevent sidewall splitting, enhancing off-road capability.
  • Versatile Application: Ideal for 4x4s, light and heavy-duty trucks, SUVs, and UTVs, including vehicles like the Jeep Wrangler and Ford Bronco Sport.
  • All-Season Performance: Provides reliable performance in various weather conditions, including rain and snow.
  • Specific Dimensions: Tire size is 39x13.50R17/C with a 121Q rating, suitable for serious off-road enthusiasts.
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Current price is $775.99
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Customer ratings & reviews

3.8 out of 5 stars
stars126 ratings125 reviews
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Reviews summary

Pros
  • : Provides grip on various terrains.
  • : Provides a smoother ride on paved surfaces.
  • : Handles dirt, rocks, and mud with good grip.
  • : Provides good traction on packed snow and ice.
Neutral
  • : Can be quiet, but also generates a noticeable hum.
  • : Can retain decent tread life, but may wear unevenly.
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Showing 1-3 of 125 reviews

Feb 28, 2025
Archer MD
5 out of 5 stars review

Awesome tire, so happy 117K miles

I have always had KM2's on my trucks. Bought a new Chevy LTZ in 2016. Put a set of of KM3's on this vehicle in 2017. Still on the truck, 117K miles and still going. Will be replacing this month with the the same. I have been across sloppy goose fields, snow, water logged roads. Loving this tire. Rotated every 5K, rotated and balances every 10K. Cany wait for new set.......keep on miling!

Review from bfgoodrichtires.com
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Dec 12, 2025
Beck
5 out of 5 stars review

Excellent Offroad Tire

I've been running 37 and now 39” BFG KM3 for the last 8 years on two vehicles. They are outstanding tires. Provide great traction and are very durable in the rocks. They always easily balance and are significantly lighter than competitors mud tires.

Review from bfgoodrichtires.com
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Oct 29, 2025
PeterDiesel
5 out of 5 stars review

I love them

I love them. I've had all three versions of the mud terrain line on my truck (I have owned it for over thirty years, 316,000 miles). The original looked great, wore reasonably well but mileage suffered. The KM2 provided poor mileage and looked worn after 5000 miles. I didn't like them at all and went to Cooper's for the next set. I didn't want to buy the KM3 when it was time for new tires but the comparable All Terrain was too wide for my wheels so I went ahead and got the KM3s (255/85 16- Tall and skinny). My mileage is back to what I was getting with stock tires. No noticeable road noise, of course my 4x4 Cummins is kinda noisy already. Finally, I'm not sure how many miles I have put on them but probably at least 10K and they still look the same as new. I'm not doing heavy offroad driving but snow, mud and steep gravel driveways have not been a problem so I think traction is more than adequate.

Review from bfgoodrichtires.com
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