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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Comparison Chart:
BrandBFGoodrichBFGoodrich Mud-Terrain T/A KM3 All-Season 39x13.50R17/C 121Q TireMilestarMilestar Patagonia M/T-02 Mud Terrain LT38X13.50R17 127Q D Light Truck TireBFGoodrichBFGoodrich All-Terrain T/A KO2 All Terrain 39X13.5R17 121R D Light Truck TireCooperCooper Discoverer STT Pro Mud Terrain LT40X13.50R17 121Q C Light Truck TireBFGoodrichBFGoodrich Mud-Terrain T/A KM3 All-Season 37x12.50R18/C 115Q TireAmericusAmericus Rugged MT Mud Terrain LT35X12.5R17 121Q E Light Truck TireBFGoodrichBFGoodrich Mud-Terrain T/A KM3 Off-Road Tire 30x10.00R15NHS/8PR QBFGoodrichBFGoodrich Mud-Terrain T/A KM3 All-Season LT295/55R20/E 123/120Q TireNittoNitto Trail Grappler M/T Mud Terrain LT40X13.50R17 121P C Light Truck TireKanati TiresKanati Mud Hog LT35/12.50R20 121Q
Tire Size39X13.50R17BFGoodrich Mud-Terrain T/A KM3 All-Season 39x13.50R17/C 121Q TireTiresMilestar Patagonia M/T-02 Mud Terrain LT38X13.50R17 127Q D Light Truck Tire39X13.5R17BFGoodrich All-Terrain T/A KO2 All Terrain 39X13.5R17 121R D Light Truck Tire40X13.50R17Cooper Discoverer STT Pro Mud Terrain LT40X13.50R17 121Q C Light Truck Tire37x12.50R18BFGoodrich Mud-Terrain T/A KM3 All-Season 37x12.50R18/C 115Q TireLT35X12.50R17Americus Rugged MT Mud Terrain LT35X12.5R17 121Q E Light Truck Tire30x10.00R15BFGoodrich Mud-Terrain T/A KM3 Off-Road Tire 30x10.00R15NHS/8PR Q295/55R20BFGoodrich Mud-Terrain T/A KM3 All-Season LT295/55R20/E 123/120Q Tire40X13.50R17Nitto Trail Grappler M/T Mud Terrain LT40X13.50R17 121P C Light Truck TireLT35X12.50R20Kanati Mud Hog LT35/12.50R20 121Q
Warranty Distance0 milesBFGoodrich Mud-Terrain T/A KM3 All-Season 39x13.50R17/C 121Q Tire0 milesMilestar Patagonia M/T-02 Mud Terrain LT38X13.50R17 127Q D Light Truck Tire50000 milesBFGoodrich All-Terrain T/A KO2 All Terrain 39X13.5R17 121R D Light Truck Tire0 milesCooper Discoverer STT Pro Mud Terrain LT40X13.50R17 121Q C Light Truck Tire0 milesBFGoodrich Mud-Terrain T/A KM3 All-Season 37x12.50R18/C 115Q Tire0 milesAmericus Rugged MT Mud Terrain LT35X12.5R17 121Q E Light Truck Tire0 milesBFGoodrich Mud-Terrain T/A KM3 Off-Road Tire 30x10.00R15NHS/8PR Q0 milesBFGoodrich Mud-Terrain T/A KM3 All-Season LT295/55R20/E 123/120Q Tire0 milesNitto Trail Grappler M/T Mud Terrain LT40X13.50R17 121P C Light Truck Tire-Kanati Mud Hog LT35/12.50R20 121Q
Tire SeasonAll-SeasonBFGoodrich Mud-Terrain T/A KM3 All-Season 39x13.50R17/C 121Q TireAll-SeasonMilestar Patagonia M/T-02 Mud Terrain LT38X13.50R17 127Q D Light Truck TireAll-SeasonBFGoodrich All-Terrain T/A KO2 All Terrain 39X13.5R17 121R D Light Truck TireAll-SeasonCooper Discoverer STT Pro Mud Terrain LT40X13.50R17 121Q C Light Truck TireAll-SeasonBFGoodrich Mud-Terrain T/A KM3 All-Season 37x12.50R18/C 115Q TireAll-SeasonAmericus Rugged MT Mud Terrain LT35X12.5R17 121Q E Light Truck TireAll-SeasonBFGoodrich Mud-Terrain T/A KM3 Off-Road Tire 30x10.00R15NHS/8PR QAll-SeasonBFGoodrich Mud-Terrain T/A KM3 All-Season LT295/55R20/E 123/120Q TireAll-SeasonNitto Trail Grappler M/T Mud Terrain LT40X13.50R17 121P C Light Truck Tire-Kanati Mud Hog LT35/12.50R20 121Q
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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
Helpful?2CILOJ5U56PY948734089
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
Helpful?2CILOJ5U56PY948734089
Dec 25, 2025
Kipperkhan
5 out of 5 stars review

Third set on off-road land cruiser

These are 45,000 miles off-road tires that might lack a little mud traction but make up in all other forms of off-road traction. They're quiet on the streets, Good, breaking when, wet and tougher side wall with its polyester fibers embedded in the sidewall rubber making it virtually split proof

Review from bfgoodrichtires.com
Helpful?2CILOJ5U56PY948734089