Diesel trucks are heavy, torque-rich machines, and a half-ton-rated all terrain tire simply will not survive the abuse. A loaded 3/4 or 1-ton diesel hauling a trailer puts real strain on the sidewalls, the load range, and the tread compound, so the right all terrain tire has to balance highway manners, off-road bite, and the kind of weight capacity that lets you tow without squirm or heat buildup. We focused this guide entirely on tires that come in proper Load Range E and F sizes that fit common diesel platforms like the Ram 2500, F-250, F-350, Silverado 2500HD, and the Power Wagon.
We weighed each tire on the things that actually matter to a diesel owner: load rating and ply strength, towing stability under load, tread life under heavy torque, wet and snow traction, and noise on long highway runs. Below are the seven all terrain tires we trust most for diesel trucks, ranked best first, with an honest look at where each one gives something up.
| Photo | Product | Score | Buy |
|---|---|---|---|
![]() |
BFGoodrich All-Terrain T/A KO2 Best Overall Load Range E available, 3-ply sidewall, 3PMSF severe snow rated |
9.5 | 🛒 Check Price |
![]() |
Toyo Open Country A/T III Best Tread Life Load Range E and F sizes, 65,000 mile warranty, 3PMSF rated |
9.3 | 🛒 Check Price |
![]() |
Falken Wildpeak A/T3W Best Value Load Range E sizes, 55,000 mile warranty, 3PMSF rated |
9.2 | 🛒 Check Price |
![]() |
Michelin LTX A/T2 Best Highway Ride Load Range E available, MaxTouch compound, long-wear highway focus |
9.1 | 🛒 Check Price |
![]() |
Goodyear Wrangler DuraTrac Best Off-Road Traction Load Range E sizes, self-cleaning tread, 3PMSF rated |
9.0 | 🛒 Check Price |
![]() |
Cooper Discoverer AT3 XLT Best for Heavy Loads Extreme Load (XL) rating, 60,000 mile warranty, 3PMSF rated |
8.7 | 🛒 Check Price |
![]() |
Nitto Ridge Grappler Best Hybrid Tread Load Range E and F sizes, hybrid terrain tread, reinforced sidewall |
8.5 | 🛒 Check Price |
1. BFGoodrich All-Terrain T/A KO2: Best Overall

The KO2 has earned its reputation on heavy trucks for a reason. The thicker, wraparound CoreGard sidewall is the single most important feature for a diesel owner, because a loaded 2500 or 3500 puts enormous strain on the sidewall when you load up the bed or hook a trailer to the hitch. That 3-ply construction shrugs off the bruising and pinch flats that drop thinner all terrains, and it does it without feeling vague or floaty when you are running at GVWR. On gravel, dirt, and packed snow the staggered shoulder lugs find grip, and the 3-Peak Mountain Snowflake rating means it is genuinely rated for severe snow, not just marketing.
The honest weakness is noise and comfort. The aggressive tread that makes the KO2 so capable also produces a noticeable hum on the highway, and that hum grows as the tire wears. Wet braking is solid but a couple of newer competitors edge it out on soaked pavement. If your diesel lives mostly on the interstate you may want something quieter, but for a true work-and-play heavy truck this is still the tire to beat.
- CoreGard sidewall rubber resists punctures and bruising under heavy diesel loads
- Available in true Load Range E for 2500 and 3500 class trucks
- 3-Peak Mountain Snowflake rating for real winter and towing confidence
Pros: Outstanding sidewall durability for heavy hauling; Predictable, stable handling when towing; Long, even tread life on torquey diesels
Cons: Noisier than a highway tire at speed; Wet braking is good but not class leading
2. Toyo Open Country A/T III: Best Tread Life

The Open Country A/T III is the tire we reach for when a diesel owner cares most about getting the maximum number of miles out of a set. Toyo redesigned the compound and tread pattern specifically to resist the irregular wear that high diesel torque tends to cause, and the result is a tire that wears evenly and slowly even on a heavy, loaded truck. It comes in proper Load Range E and even some Load Range F sizes, so 1-ton owners running heavy trailers are covered, and the 3-Peak Mountain Snowflake rating means it handles winter and towing in cold weather with confidence.
Where it gives ground is in deep mud and soft, loose terrain. The tread is optimized for tread life and quiet highway running, so the voids are not as open as a true rugged terrain tire, and it can pack with mud and lose bite faster than something like the Wildpeak. It is also on the heavier side, which a few owners notice in unsprung weight. For a diesel that mixes long highway hauls with light to moderate trails, though, the longevity and quiet ride are hard to argue with.
- Long-wearing compound built for high-torque trucks and heavy miles
- Available in Load Range E and select F sizes for 1-ton diesels
- 3-Peak Mountain Snowflake winter rating with siped tread blocks
Pros: Excellent tread life backed by a strong mileage warranty; Quieter on the highway than most aggressive A/T tires; Wide range of heavy duty load ranges
Cons: Mud performance trails the most aggressive options; Slightly heavier than some rivals
3. Falken Wildpeak A/T3W: Best Value

The Wildpeak A/T3W punches well above its weight and is the tire we recommend when a diesel owner wants serious off-road capability without overspending. The tread is more aggressive than most all terrains, with open shoulder blocks and deep voids that bite in mud, dirt, and snow, and Falken built in a heat-diffusing technology in the lower sidewall specifically to handle the sustained heat that comes from running heavy and towing for long stretches. In Load Range E it is a genuinely capable heavy-truck tire, and the 3-Peak Mountain Snowflake rating backs up its winter ability.
The trade-off is the one you would expect from an aggressive tread. The Wildpeak gets louder as it wears, and the open pattern that helps it in the dirt means it will not match the Toyo or Michelin for total tread life on a high-mileage diesel. It is a capability-first tire, not a comfort-first one. But for the value, the all-weather traction, and the durability under load, it is one of the smartest buys on this list.
- Aggressive tread with open shoulders for mud, dirt, and snow traction
- Heat-diffusing technology in the lower sidewall for sustained heavy loads
- 3-Peak Mountain Snowflake rated for severe winter use
Pros: Strong all-around traction in mud, snow, and wet; Excellent value for the capability you get; Durable construction suited to heavy trucks
Cons: Road noise increases as the tire wears; Tread life trails the Toyo and Michelin
4. Michelin LTX A/T2: Best Highway Ride

If your diesel spends most of its life on pavement towing or hauling and only occasionally leaves the blacktop, the Michelin LTX A/T2 is the most refined tire here. Michelin’s MaxTouch construction distributes the forces of acceleration, braking, and cornering evenly across the contact patch, which is exactly what a torquey diesel needs to avoid the cupping and irregular wear that plague lesser tires. It is available in Load Range E, rides quieter than anything else on this list, and stays composed and planted when you have a heavy trailer behind you on the interstate.
The honest limitation is off-road aggression. The LTX A/T2 leans toward the highway end of the all terrain spectrum, so in deep mud, loose sand, or heavy snow it will not bite like the more aggressive tires here, and it is not the winter standout that the 3-Peak-rated options are. For a diesel that mostly works on the road and values a calm, quiet, durable ride, it is excellent. For a truck that genuinely lives in the dirt, look higher on this list.
- MaxTouch construction spreads load forces for even, long tread wear
- Quietest ride in this group for highway and towing miles
- Available in Load Range E for heavy diesel applications
Pros: Exceptionally quiet and comfortable on the highway; Long, even tread life under load; Stable and confident when towing
Cons: Less aggressive off-road than the Wildpeak or KO2; Not a true severe-snow standout
5. Goodyear Wrangler DuraTrac: Best Off-Road Traction

The Wrangler DuraTrac sits at the rugged end of the all terrain category and is the pick for diesel owners who actually use their trucks in demanding off-road conditions. The deep, self-cleaning tread blocks fling out mud and packed snow so the tire keeps biting where a tighter pattern would clog and slip, and Goodyear’s TractiveGroove technology adds extra edges for traction in deep sand, mud, and snow. It is studdable for the harshest winter use, comes in Load Range E sizes for heavy trucks, and the 3-Peak Mountain Snowflake rating confirms its severe-snow credentials.
That capability comes at a cost in refinement. The DuraTrac is one of the louder tires here on the highway, and the aggressive compound and pattern mean it will not last as long as the long-wear highway tires when run hard on a heavy diesel. If you spend most of your time on the interstate, it is more tire than you need. But for a working or off-road diesel that needs to claw through mud, snow, and loose ground, few all terrains match it.
- Self-cleaning tread blocks evacuate mud and snow quickly
- TractiveGroove technology for enhanced traction in deep terrain
- Optional studdable design for serious winter conditions
Pros: Aggressive traction in mud, snow, and loose terrain; Self-cleaning tread keeps biting in deep conditions; Tough construction for heavy diesel loads
Cons: Noisier on the highway than highway-focused tires; Tread life shorter than the Michelin or Toyo
6. Cooper Discoverer AT3 XLT: Best for Heavy Loads

The Discoverer AT3 XLT is Cooper’s heavy duty version of its popular all terrain, and the XLT designation matters because it signals the Extreme Load construction aimed squarely at heavier 3/4 and 1-ton diesels. The reinforced casing and durable tread compound are designed to carry weight and tow without the heat and sidewall flex that compromise lighter tires, and Cooper backs it with a strong mileage warranty that is generous for a tire this capable. The 3-Peak Mountain Snowflake rating rounds out a tire that handles winter, wet, and light trails without drama.
The compromises are weight and outright off-road aggression. The strong XLT casing adds heft that you can feel slightly in ride quality and steering response compared with a lighter all terrain, and in deep mud or technical terrain it will not bite as hard as the DuraTrac or KO2. As a do-everything tire for a heavy, loaded diesel that needs strength and tread life more than trail prowess, though, it is a smart and dependable choice.
- Extreme Load XLT construction built for heavy 3/4 and 1-ton trucks
- Durable tread compound rated for 60,000 miles
- 3-Peak Mountain Snowflake rated for severe snow
Pros: Built specifically for heavy duty diesel loads; Strong mileage warranty for an aggressive A/T; Reliable wet and snow traction
Cons: Heavier and slightly less refined on road; Off-road bite trails the DuraTrac and KO2
7. Nitto Ridge Grappler: Best Hybrid Tread

The Ridge Grappler is a hybrid, sitting between an all terrain and a mud terrain, and it is the pick for diesel owners who want a more aggressive look and serious off-road bite without fully committing to the noise and wear of a dedicated mud tire. The variable-pitch tread blocks and reinforced shoulder lugs claw through mud, rock, and loose terrain better than a standard all terrain, while the tread is tuned to keep highway noise more reasonable than a true mud tire. Crucially for diesel owners, it comes in Load Range E and F sizes, so even heavy 1-ton trucks running at high payload are covered.
The honest downsides are noise and wet grip. As a hybrid leaning toward the aggressive side, the Ridge Grappler is louder than the dedicated all terrains on this list, and on soaked pavement it does not grip or brake quite as cleanly as a purpose-built A/T. If you want maximum highway refinement, this is not the tire. But if your diesel needs to look the part and perform off-road while still being livable on the road, the Ridge Grappler is a compelling hybrid that backs its looks with real capability.
- Hybrid tread blends all terrain mileage with mud terrain bite
- Available in Load Range E and F for heavy 1-ton diesels
- Reinforced shoulder lugs and sidewall for off-road protection
Pros: Aggressive looks and grip with reasonable road manners; Strong off-road traction for a hybrid tire; Available in very heavy load ranges
Cons: Louder than a true all terrain on the highway; Wet pavement grip trails dedicated A/T tires
Frequently Asked Questions
What load range tires do diesel trucks need?
Most 3/4-ton and 1-ton diesel trucks need Load Range E tires, and the heaviest 1-ton applications or trucks that tow at maximum capacity may call for Load Range F. Load Range E tires use a 10-ply-equivalent construction rated for higher inflation pressures and much greater weight capacity than the Load Range C or D tires found on many half-ton trucks. Running a tire with too low a load range on a heavy diesel risks sidewall flex, heat buildup, and failure when loaded or towing. Always check the load rating on your door jamb placard and match or exceed it, especially if you regularly run near your truck’s GVWR or pull a heavy trailer.
Are all terrain tires good for towing with a diesel?
Yes, a properly rated all terrain tire can tow very well, provided you choose the right load range and a tire with a stable, reinforced construction. The keys for towing are a Load Range E or F casing, strong sidewalls that resist flex under load, and a tread design that does not squirm when weight transfers. Tires like the BFGoodrich KO2, Michelin LTX A/T2, and Cooper AT3 XLT are particularly stable when hauling. Just remember that any all terrain tread will generate a bit more noise and slightly less wet grip than a dedicated highway tire, so if you tow almost exclusively on pavement, lean toward the more highway-focused options on this list.
How long do all terrain tires last on a diesel truck?
Tread life on a diesel depends heavily on the tire compound, your driving, and how much you tow, but most quality all terrains on this list carry mileage warranties between 50,000 and 65,000 miles. In practice, the high torque of a diesel and the weight of a loaded truck wear tires faster than a light vehicle, so real-world mileage often lands below the warranty figure if you tow frequently or drive aggressively. Long-wear options like the Toyo Open Country A/T III and Michelin LTX A/T2 tend to deliver the most miles, while aggressive treads like the Goodyear DuraTrac trade some longevity for off-road grip. Regular rotations and correct inflation make a big difference on heavy trucks.
What does the 3-Peak Mountain Snowflake rating mean?
The 3-Peak Mountain Snowflake symbol, often called 3PMSF, means a tire has been evaluated and certified to meet a required level of traction in severe snow conditions. It is a meaningful step above the older M+S marking, which is based on tread geometry rather than actual snow performance. For diesel owners in colder climates, a 3PMSF-rated all terrain like the KO2, Wildpeak A/T3W, Toyo A/T III, or DuraTrac means real winter capability without switching to dedicated snow tires. If you tow or drive in snow, prioritizing a 3PMSF tire is one of the smartest choices you can make for safety and control.
Should I get all terrain or mud terrain tires for my diesel?
For most diesel truck owners, an all terrain tire is the better choice because it balances off-road capability with highway manners, tread life, and quieter running. Mud terrain tires bite harder in deep mud and rocks but are loud, wear faster, and reduce wet-road grip, which matters when your truck is heavy and torquey. If your diesel mostly works and tows on pavement with occasional dirt and trails, stick with a quality all terrain. If you genuinely spend most of your time in mud and technical terrain, a hybrid like the Nitto Ridge Grappler bridges the gap, and a full mud terrain only makes sense for dedicated off-road builds.
Our Verdict
For most diesel truck owners, the BFGoodrich All-Terrain T/A KO2 is our top pick, thanks to its tough 3-ply sidewall, proven stability under heavy loads and towing, and severe-snow capability that make it the most well-rounded heavy-truck all terrain you can buy. If you put highway miles and tread life first, the Toyo Open Country A/T III is our runner up, offering long, even wear, quieter running, and proper Load Range E and F sizes for the heaviest diesels. Match the load range to your truck, prioritize a 3-Peak Mountain Snowflake rating if you see winter, and any tire on this list will serve a diesel well.
More Tires Guides
Video Guide
Video: Related tutorial from YouTube