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Up to 66% Off Tire Clearance
Clearance pricing on select in-stock tires only. Prices will show as marked down with a strike through price. Discount eligible tires will be identified on product detail and search result pages. All other tires, fleet and special order tires are excluded from this offer.

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  • Size: 255/75R17
  • Part #: 86927|
  • SKU: 774004|
  • (LT) Light Truck





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BF Goodrich Mud Terrain T/A KM

The only tire named by jeep-enthusiast magazine, JP as one of the 10 most influential off-road products of all time for its outstanding off-road traction and race-proven performance. For 4WD enthusiasts who want a more aggressive tire that delivers serious off-road traction.
  • Unbelievable Traction For Deep Dirt, Mud And Rocks
  • Tri Guard Construction For Improved Sidewall Strength
  • Computer Optimized Design To Reduce Road Noise

Tire Size
Tire Type
Speed Rating
Load Index
Load Range


Safety Rating is a combination of two values: Load Index and Speed Rating for P-Metric and Euro Metric tire sizes; and Load Range and Speed Rating in the case of heavy duty LT (light truck) sizes.

Speed Rating is based on the speed that the tire is designed to be driven at for extended periods of time. All tires in the in the U.S. are designed to maintain legal U.S. speed limits. The speed rating of tires must match the maximum driving speed of the vehicle.

Load Index is used on P metric and Euro Metric sized tires and denotes a tire's load-carrying capacity at a specified inflation pressure. The load index is represented by a number, the higher the Load Index Value the greater the load the tire can safely carry. Vehicle manufacturers recommend a maximum load capacity based on a recommended minimum load index.
(LT) Light Truck
Tire Class


Tire Class reflects how the tire will be used. There are four major categories: All-Season, Max Performance, Summer-Only and Winter-Use.

All-Season tires are suitable for year-round driving in all weather conditions.

Summer-Only & Max Performance tires are specifically designed for high-performance driving. Tire compound, tread design and speed ratings all combine to hug the road and maintain grip. Summer tires by nature are not ideal for winter driving due to lack of siding to grip winter roads.

Winter-Use tires have tread compounds and patterns that are specially designed for grip on snowy or icy road surfaces. They are not suitable for year-round use. The rubber compound used will wear more quickly on dry, summer roads. It is recommended that winter tires are fitted as a complete set to avoid potential handling issues.
Everday Use
All Season
All Season

Off-Road Off-Road

Summer-Only Summer-Only

Winter-Use Winter-Use
Tread Type


Tread Type is an important consideration when choosing a tire. There are four main types: Passenger, Highway, All-Terrain and Mud-Terrain.

Passenger denotes a tread that is suitable for normal use, a good all-round tread for normal driving.

Highway is a tread type unique to SUV and truck tires. The tread is optimized for normal everyday driving on paved surfaces. These tires can be driven off pavement, but are not ideally suited for off road traction. Highway tread patterns deliver a quiet ride.

For light trucks and specialty vehicles, All-Terrain tread types provide better off-road traction than standard highway truck tires. There more aggressive tread tends to be less quiet on paved roads. All Terrain tires are suitable for everyday use.

Mud-Terrain treads are specifically designed with wider tread blocks and higher void ratios to gain traction in off-road conditions. Mud Terrain tires can generate higher noise levels and tend to carry lower mileage warranties than other tread designs.
Passenger Passenger
Highway Highway
All-Terrain All-Terrain
Mud-Terrain Mud-Terrain

UTQG - Uniform Tire Quality Grade

UTQG (Uniform Tire Quality Grade) is made up of three values: treadwear, traction and temperature.

Treadwear is a relative numeric score, based on manufacturer tests, showing how well a tire can be expected to wear compared to other tires. A higher score means a tire could be expected to wear better.

Traction measures the tire's ability to stop a vehicle on wet roads. It doesn't reflect a tire's acceleration, cornering, or hydroplaning performance. Traction grades range from AA (highest) to C (lowest).

Temperature grades the tire's ability to withstand heat build-up, with A being the highest grade and C the lowest.

A - Over 115 mph
B - Between 100 to 115 mph
C - Between 85 to 100 mph
Traction Asphalt - gForce
AA - Above 0.54
A - Above 0.47
B - Above 0.38
C - Less Than 0.38
A - Over 115 mph
B - Between 100 and 115 mph
C - Between 85 and 100 mph

Drive / Ride Performance Characteristics

All tires have the following six performance characteristics, divided into three sets of trade-offs. In most cases, a tire may perform excellently in one characteristic but only standard in the other.
Standard Ride Comfort & Standard Handling
Handling: Get stiff side wall for precise steering and cornering but settle for a firm ride with increased road noise.
Ride Comfort: Enjoy a quiet, smooth ride but lose some cornering ability.
Standard Treadwear & Standard Traction
Traction: Stop faster in wet conditions but expect a shorter tread life.
Treadwear: Get long, uniform wear across your tread pattern but expect less traction in wet conditions.
Standard Low Rolling Resistance & Standard High Speed Performance
High-Speed Performance: Get increased performance at higher speeds but sacrifice some fuel economy.
Low Rolling Resistance: Enjoy improved fuel efficiency but expect less high-speed cornering ability.


Rated 4.4 out of 5 by 313 reviewers.
Rated 5 out of 5 by This Tire Took me anywhere I used these tires on the rocks in the mud and on the road. These tires weren't very loud on the road so it made road trips comfortable, and the ride wasn't to rough. They were excellent on the rocks, took me everywhere I asked them to. The tread life on these tires are excellent. I have over 14K miles on them and they still look brand new. The musd these tires pulled right through, they dont necessarily clear right away but they do well. March 25, 2014
Rated 5 out of 5 by Great tire! These really are a great tire. I am on my 2nd set, and I'm constantly impressed by how smooth they are on the road, how long they last, and they perform off road. The first set lasted about 65K miles on our 2010 Jeep Wrangler Rubicon Unlimited. It's not a light vehicle at all, and 65K is amazing! When changed, the tires actually could have lasted another 10K or so if they had been rotated regularly, but the fronts just got too worn. On the second set now, and just as impressed as the first. Compared to the old BFG Mud KM: -These are quieter and smoother on the street (old KMs were great, but used to shudder/vibrate under 10mph, and make a little more hum on hwy, which is surprising since the tread is almost the same). -Just as great off road Compared to the new style BFG Mud KM2 on our other family Jeep Unlimited Rubicon: -I find these to be a quieter and smoother than the new-style KM2 model. The new-style KM2 tire makes me put my window up when driving on hwy next to a divider wall that reflect sound; the hum is too much. -Pretty equal off road, New KM2 tire seems to have thicker/stiffer sidewalls that might handle more abuse, but haven't blown any, so can't really say. Compared to BFG A/T that I ran for years on various vehicles: -Both are excellent tires -I am surprised to find these as smooth and quiet on the street as the BFG A/Ts were (the original BFG Mud KMs were definitely louder since I had them back to back with BFG A/Ts on the same truck, but these are as quiet as the A/T, seriously) -BFG A/Ts handle light rain, snow, and ice better -These Mud KMs handle offroad, deep snow, deep water (hydroplane-type situation) better. I would definitely recommend these to anyone, and I'll be buying them again. I only wish they had more sizes available. March 16, 2014
Rated 5 out of 5 by Awesome! I love the way bfg is bringing back to old km design! They are the best looking tire and best everything there noisy but what do you expect when your getting a mud tire that's the whole experience of it! I have a 1993 f350 with 35x12.50 and I have not found a mud hole that's going so stop me these tires are outstanding but if one thing bring it back to the old km completely nothing is better then those tires! February 18, 2014
Rated 5 out of 5 by Great Tire These tires are one of the best off-road tires on the market. There's a reason the came stock with my 2011 Jeep Rubicon...only the best tires for the best off-road vehicle! They aren't the best tires for a wet or icy road, but they are the best tire when you get off the pavement. As a final note, no tire with aggressive tread is going to be excellent on pavement in the rain, ice, or hard packed snow because there's less surface area touching the road...they're meant to dig in! October 31, 2013
Rated 5 out of 5 by Great Tire These came stock on my 2013 Rubicon Unlimted. Awesome looking tire, and GREAT traction in soft mud, gravel, and rocks. I am hoping to see performance in snow on a trip to PA this winter. I do a lot of my wheeling in low range and idle a lot through trails. I hardly have to engage my locking differentials, and I rarely get any spin at all. Even on hills that require more power and speed, my Jeep just walks right through it! I would like to get these tires for my 1967 J-3000 full size Jeep, but the correct size isn't offered. This is the first OEM tire I have seen that is an excellent choice. Road noise is ok, low speed road vibration is a little more than one would expect, but that's ok. I only have 10000 miles on my Rubicon, and they still look new, but I have no clue about wear yet, thus the GOOD rating on wear.. October 21, 2013
Rated 5 out of 5 by Great tires I bought these aftermarket for my 2002 Toyota Tundra and they came stock on my 2007 Jeep Rubicon. I have a LOT of mud on my farms and these are the only tires I've ever had that worked well. Used to get stock ALL the time. Both vehicles have winches and are rarely used. They are relatively quiet for mud tires and I have 30,000 miles on the Jeep and looks like they are 1/2 gone. They are not the most quiet tires, but NO true mud tires are quiet. They ARE quieter than another name brand that didn't work as well and were returned. Great tire for it's use. July 30, 2013
Rated 1 out of 5 by NOT HAPPY I have these tires on my 1997 F-150 , that I use for hunting and going through trails and everyday driving. They work ok through mud and dirt . But these tires are LOUD for everyday driving , no traction on wet pavement , and they wear horribly with the tread getting very choppy , and ruining the ride of my truck . I will never buy another set of these tires or another set of BFG again , And I would never recomend these tires to anyone April 14, 2013
Rated 4 out of 5 by Top Choice I use the KM1 on my 1984 K10. It is my hunting vehicle and, as such, I often have to pull my duckboat out of the water on slick/snowy/muddy unimproved boat ramps. The KM1 does surprisingly well in deep snow, not so well on ice (as you might expect). Mud is seldom a problem and is not a tire issue, rather it is a "no locking diffs" issue. :) Only several downsides: one, they aren't made in my sizes any more (I also have them for my Jeep WJ). Two, they are a bit noisy on dry pavement (no big deal). Three, they are not cheap. Overall, I'd buy again if BFG still made them. As it is, I'll have to go with another brand who offers a similar tread pattern. (the KM2 is NOT a suitable replacement) March 31, 2013
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