Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclosure here.
Fitting 37 inch tires on your Ford Ranger changes how the truck rides, performs off road, and handles heavier loads. The right 37 inch tires balance grip, durability, and weight support so you can tackle trails, mud, and highway drives without unexpected problems. This guide focuses on the top 37 inch tire options suited for the Ranger and explains the tradeoffs you should expect.We shortlisted six well-rounded 37 inch tires for this truck and evaluated each across traction, tread life, and load-carrying ability. Read on for the decision factors that matter for fitment, on- and off-road performance, and maintenance considerations before you buy or install replacements.
Looking for other parts? See all Ford Ranger parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Cooper Discoverer STT Pro 37×13.50R20LT All-Season Off-Road Tire |  |
| Best Quality Built to a higher standard if you want something more solid | BFGoodrich Mud-Terrain T/A KM3 37×13.50R20 10-Ply Mud-Terrain Tire |  |
| Best Value The sweet spot between price and what you get | ATLANDER Roverclaw M/T I 37×13.50R24 Mud Terrain Tire (12-Ply) |  |
| Best Budget The cheapest option that still gets the job done reliably | Evoluxx Rotator R/T 37×13.50R26 Rugged Terrain 12-Ply Tire |  |
| Highest Rated A top-rated pick with lots of positive feedback | Atturo Trail Blade M/T 37×13.50R20 Light Truck Mud-Terrain Tire |  |
| Most Popular A crowd favorite that many people choose with confidence | Crosswind M/T 37×13.50R22 10-Ply Mud Terrain Light Truck Tire |  |
1. Cooper Discoverer STT Pro 37×13.50R20LT All-Season Off-Road Tire
| Load Index | 127 |
|---|---|
| Speed Rating | Q |
| Load Capacity | 3860 Pounds |
| Maximum Pressure | 65 Pound per Square Inch |
| Ply | 10-Ply |
The Cooper Discoverer STT Pro is an aggressive all-terrain tire built for drivers who spend significant time off road but still need reliable on-road behavior. It pairs deep, multi-featured tread blocks and mud-slinging channels with Armor Tek3 sidewall reinforcement to resist cuts, stone damage, and punctures on rocky trails. Features like climber cleats, stone expulsion grooves, and alternating mud scoops help it clear debris and maintain bite in mud, sand, and loose dirt. On pavement the tread is heavier and louder than highway-focused tires, but it preserves traction and load capacity for heavier trucks. Installation is straightforward as a universal fit light-truck tire and the 10-ply construction and high load index support towing and hauling. Expect faster wear and more road noise than milder all-terrain tires, and steering feel will be less precise than a highway tire due to the aggressive tread pattern.
Best for: Drivers who want a 37-inch tire that prioritizes capable off-road performance and durability while still being usable for everyday driving and occasional towing.
Less Ideal for: Commuters who prioritize low noise, maximum fuel economy, or long tread life on highway-only driving should consider less aggressive options.
- Very aggressive tread with mud slingers and climber cleats for strong off-road traction
- Armor Tek3 sidewall and stone armor features increase resistance to cuts and punctures
- 10-ply construction and 127 load index support heavy loads, towing, and hauling
- Tread design helps expel stones to reduce lodged debris and damage
- Heavier tread leads to increased road noise and reduced steering precision on pavement
- More rapid wear expected compared with highway-focused or milder all-terrain tires
Verdict: Choose the STT Pro when you need a 37-inch tire that maximizes off-road traction and toughness without giving up the ability to drive on-road and carry heavy loads.
2. BFGoodrich Mud-Terrain T/A KM3 37×13.50R20 10-Ply Mud-Terrain Tire
| Rim Size | 20 Inches |
|---|---|
| Load Index | 127 |
| Speed Rating | Q |
| Load Capacity | 3860 Pounds |
| Construction Type | Radial |
The BFGoodrich Mud-Terrain T/A KM3 is built for aggressive off-road driving where traction and durability matter most. Its Terrain-Attack tread and large tread blocks bite into mud and loose soil to maintain forward momentum, while Mud-Phobic bars help eject compacted mud to preserve grip. Krawl-TEK and an updated compound improve rock-climbing traction and the reinforced sidewall construction increases puncture resistance in rough terrain. In everyday use these tires provide confident performance on trails, rocks, and deep ruts, though their luggy design will be louder and less fuel-efficient on paved roads compared with highway tires. The 10-ply load range E construction supports heavy loads and off-road abuse but adds weight that can affect steering feel and acceleration. For drivers prioritizing extreme off-road capability and sidewall protection, the KM3 delivers measurable gains; for primarily on-road use a less aggressive all-terrain option will be quieter and more economical.
Best for: Buyers who prioritize maximum off-road traction and toughness for demanding trail use and technical rock or mud obstacles, and who accept on-road compromises to get that capability.
Less Ideal for: Drivers who spend most miles on highway or city streets and want quiet, fuel-efficient daily performance should consider less aggressive all-terrain or highway tires.
- Exceptional mud traction from Terrain-Attack tread design and large tread blocks
- Improved rock traction via Krawl-TEK compound for climbing and technical terrain
- Reinforced sidewalls and thicker construction reduce risk of punctures and cuts
- 10-ply, Load Range E construction supports heavy loads and off-road abuse
- Aggressive tread produces higher road noise and reduced fuel efficiency on pavement
Verdict: Choose the KM3 if you need a 37-inch tire that maximizes mud and rock traction plus sidewall protection for aggressive off-road use.
3. ATLANDER Roverclaw M/T I 37×13.50R24 Mud Terrain Tire (12-Ply)
| Size | 37X13.50R24 |
|---|---|
| Load Index | 124 |
| Load Capacity | 3527 pounds |
| Load Range | F |
| Ply | 12-Ply |
The ATLANDER Roverclaw M/T I is a 37×13.50R24 mud terrain tire built for heavy-duty off-road use on light trucks and similar vehicles. Its widely spaced tread blocks and open shoulder design eject mud, rocks, and debris to maintain bite across soft and uneven surfaces, while the symmetrical aggressive pattern gives predictable traction in mud and dirt. Rated load index 124 and load range F with a 12-ply equivalent construction, it is intended for vehicles carrying heavier loads or towing. The tire is a radial construction with an 80 psi maximum inflation and a Q speed rating, so it handles highway stints but is optimized for rough terrain rather than quiet on-road comfort. Expect robust casing protection and deep tread for durability, but also increased road noise and lower fuel efficiency compared with all-terrain or highway tires. Mounting these 37-inch tires will require appropriate wheel and lift modifications on a Ford Ranger and attention to fitment and alignment for safe on-road behavior.
Best for: Drivers who prioritize off-road capability and heavy-load durability on a mid-size truck and are prepared to fit larger 37-inch tires and adjust their vehicle for clearance.
Less Ideal for: Those who mainly drive on pavement, seek a quiet comfortable ride, or want a tire that maximizes fuel economy and tread life on highways.
- Aggressive tread and open shoulder design that sheds mud and debris for consistent off-road traction
- 12-ply/Load Range F construction for higher load capacity and tougher casing protection
- Deep tread pattern and raised side lugs designed for durability on rocks and rough terrain
- Radial construction suitable for mixed use including highway runs between off-road sections
- Designed for off-road performance so on-road comfort, noise, and fuel economy are compromised compared with highway or all-terrain tires
- 37-inch size requires vehicle lift and wheel clearance modifications on most Ford Ranger configurations
Verdict: Choose this tire if you need aggressive mud-terrain traction and a heavy-duty, 12-ply-rated 37-inch tire for a Ranger prepared for large off-road tires.
4. Evoluxx Rotator R/T 37×13.50R26 Rugged Terrain 12-Ply Tire
| Size | 37X13.50R26 |
|---|---|
| Load Index | 117 |
| Load Capacity | 2833 pounds |
| Load Range | F |
| Seasons | Year Round |
The Evoluxx Rotator R/T is a rugged-terrain 37×13.50R26 tire aimed at owners who need dependable off-road traction without sacrificing highway manners. It uses a 12-ply, load range F radial construction and an asymmetrical, self-cleaning tread to clear mud and stones while providing M+S certified grip in mud and light snow. Typical use is mixed on- and off-road driving where durability and load capacity matter; the 117 load index supports heavy loads and towing. The tire is rated for year-round use and carries a 50,000-mile limited treadlife warranty, which is helpful for budget-minded buyers seeking long service between replacements. Expect a firmer ride than street-focused tires and somewhat higher rolling noise compared with highway tires, but the Rotator R/T trades some quietness for rugged traction and puncture resistance. Fitment requires a 26-inch rim and the 37-inch overall diameter, so verify clearance and gearing on lifted Rangers before buying.
Best for: Drivers who want a rugged, long-wearing 37-inch tire for mixed off-road and highway use and prioritize durability and load capacity over maximum on-road comfort.
Less Ideal for: Drivers who prioritize the quietest possible highway ride or who need a tire tuned specifically for winter ice or high-speed performance should look elsewhere.
- Aggressive, self-cleaning tread pattern sheds mud and stones for consistent off-road traction
- 12-ply, load range F construction with 117 load index supports heavy loads and towing
- Year-round M+S certification expands usable conditions into mud and light snow
- 50,000-mile limited treadlife warranty offers longer service expectations for budget buyers
- Firmer ride and higher road noise compared with highway-focused tires
Verdict: A durable, budget-friendly 37-inch rugged-terrain tire built to handle heavy loads and mixed off-road use while offering long treadlife.
5. Atturo Trail Blade M/T 37×13.50R20 Light Truck Mud-Terrain Tire
| Rim Size | 20 Inches |
|---|---|
| Load Index | 127 |
| Load Capacity | 3858 Pounds |
| Tread Type | Non-Directional |
| Load Range | E |
The Atturo Trail Blade M/T is a heavy-duty 37×13.50R20 mud-terrain tire built for trucks that see serious off-road use but still need to be driven on pavement. It uses deep, aggressive tread blocks and wide voids for strong mud and loose-surface traction while arched stone throwers and robust sidewall construction help protect the casing from punctures and stone damage. The non-directional tread and beveled block edges are intended to reduce road noise compared with some other mud tires, making it more tolerable on longer drives. With a 127 load index and 12-ply construction this tire is aimed at heavier trucks and towing applications and is rated for year-round use. Expect firm steering feedback and excellent grip off-road, with slightly reduced ride refinement and fuel efficiency compared with all-terrain or highway tires. This is a practical choice if your priority is long service life and damage resistance on rough trails while retaining acceptable on-road manners.
Best for: Drivers who prioritize a durable, damage-resistant 37-inch mud-terrain tire for frequent off-road use and heavier loads, and who accept firmer on-road handling in exchange for long service life.
Less Ideal for: Drivers who mainly do long highway miles, want maximum ride comfort, or prefer the best possible fuel economy should consider less aggressive all-terrain or highway tires instead.
- Deep aggressive tread and wide voids for strong mud and loose-surface traction
- Reinforced 12-ply construction and robust sidewall design improve puncture and impact resistance
- Arched stone throwers protect the casing from stone damage
- Non-directional tread and beveled block edges help reduce road noise compared with typical mud tires
- Heavier, more aggressive tread yields lower fuel economy and a firmer ride on pavement
- Not optimized for pure highway comfort or high-speed touring
Verdict: Choose this tire if you need a tough, puncture-resistant 37-inch mud-terrain that delivers reliable off-road traction and load-carrying capacity for a Ford Ranger setup.
6. Crosswind M/T 37×13.50R22 10-Ply Mud Terrain Light Truck Tire
| Rim Size | 22 inches |
|---|---|
| Load Index | 123 |
| Speed Rating | Q |
| Load Range | E |
| Ply | 10-Ply |
The Crosswind M/T is a mud-terrain radial built for light trucks and SUVs looking for aggressive off-road traction without completely sacrificing on-road manners. It uses an open, directional tread and wraparound shoulder blocks to bite in mud and shed debris, while wide grooves help move water and slush to reduce hydroplaning risk. The compound is described as cut- and chip-resistant and the 10-ply, load range E construction supports heavy loads and towing. Typical use will be mixed off-road trails and daily driving where drivers need a confident mud and snow capability alongside usable highway stability. Expect louder road noise and somewhat quicker tread wear compared with milder all-terrain designs, and steering precision on pavement is good but not as sharp as highway-focused tires. Overall this tire is a cost-conscious option for drivers who prioritize aggressive mud traction, durability, and heavy-load capacity for a 37-inch fitment on light trucks.
Best for: Buyers who need a rugged 37-inch tire that favors mud and trail performance and who prioritize durability and load capacity over quiet highway refinement.
Less Ideal for: Drivers who spend almost all miles on highway or want the quietest, longest-wearing highway performance tire should consider a dedicated all-terrain or highway tire instead.
- Aggressive open directional tread for strong mud and off-road traction
- Wide grooves and self-cleaning design that help resist hydroplaning and eject debris
- Durable tread compound marketed as cut- and chip-resistant for off-road durability
- 10-ply load range E construction supports higher loads and towing capacity
- Likely louder and faster wearing on highway compared with all-terrain or highway tires
Verdict: Choose this tire if you want an affordable 37-inch mud-terrain that delivers aggressive off-road grip and heavy-load capability for light trucks.
Choosing the Right Ford Ranger 37 Inch Tires: Key Factors to Consider
Traction and Tread Pattern
Traction determines how the truck accelerates, corners, and stops on different surfaces. For a Ford Ranger on 37 inch tires you should weigh aggressive tread for mud and loose surfaces against closed ribs that perform better on pavement. Deep, widely spaced lugs shed mud and stones, improving off-road grip, but they can increase road noise and reduce fuel economy.
Consider how often you drive off pavement versus on it. If most miles are off road, prioritize open, self-cleaning tread patterns. If highway commuting is common, look for a tread that balances bite with smoother, quieter ribs to maintain good handling and reduce vibration.
Load Rating and Sidewall Strength
Load rating is critical for safety and handling. Larger 37 inch tires must support the vehicle's curb weight and any cargo or towing loads the Ranger typically carries. Choose tires with sufficient load index and robust sidewalls to resist punctures and maintain stability under heavy loads.
Reinforced sidewalls help protect against cuts on rocky trails and prevent excessive sidewall flex that can lead to instability. If you frequently carry heavy gear or tow, prioritize higher load ratings and consider tires with additional ply or reinforced constructions to preserve handling and reduce heat build-up.
Tread Life and Durability
Tread life affects long-term ownership costs and how often you need replacements. For 37 inch tires, aggressive off-road compounds can wear faster on pavement, so estimate expected mileage based on your driving mix. Look for durable rubber compounds and tread designs that resist chunking and uneven wear.
Durability also ties into how the tire handles debris and impacts. Strong belts, proper casing construction, and quality control in manufacturing reduce the likelihood of failures. Regular rotation, alignment checks, and correct inflation extend tread life, so factor in maintenance habits when judging expected longevity.
Ride Comfort and Road Noise
Moving up to 37 inch tires often changes ride quality. Larger, more aggressive tires can transmit more vibration and produce higher cabin noise on highway drives. For owners who split time between trails and roads, consider tires engineered to mitigate noise with stepped shoulders or variable pitch tread blocks.
Comfort is also influenced by sidewall construction and inflation choices. Softer sidewalls may absorb hits better off road but can increase flex and reduce on-road precision. Balance your preference for comfort against the need for off-road robustness when selecting a tire.
Fitment and Vehicle Impact
Installing 37 inch tires affects clearance, steering geometry, and drivetrain loads. Confirm fitment for your Ranger configuration to avoid rubbing on fenders or suspension components. Some setups may require minor trimming, wheel offset adjustments, or suspension tweaks to achieve proper clearance.
Larger tires change effective gearing and can increase drivetrain strain. That can affect acceleration and fuel use. Plan for potential gear ratio adjustments or re-tuning if you expect regular heavy use. Also verify that upgrades do not void warranties or compromise safety systems.
Maintenance and Serviceability
Maintenance routines become more important with oversized tires. Regular tire balancing and alignment keep handling predictable and reduce premature wear. Check for accessible repair options and whether common replacement sizes are stocked locally or available through your tire provider.
Inspect tread wear indicators and monitor for uneven wear patterns early. Proper inflation, rotation intervals, and periodic inspections after off-road runs extend service life. Consider whether your wheel and brake upgrades remain compatible with larger tires to simplify ongoing service.
How 37 Inch Tires Change Driving Dynamics
Upgrading to 37 inch tires alters the Ranger's effective gearing, ground clearance, and steering feel. Larger diameter tires raise the truck's profile, increasing approach and departure angles for off-road use, but they also modify speedometer readings and acceleration characteristics.
Expect slower initial acceleration and a different torque feel, especially at low speeds. Heavier rotating mass increases braking distances slightly and demands more from the brake system. Plan for recalibration of speedometer or replacement of tire-pressure monitoring settings when needed.
- Increased ground clearance and obstacle clearance
- Altered speedometer and odometer accuracy
- Potential need for recalibration or gearing adjustments
- Changes in braking distance and low-speed acceleration
Choosing the Right Wheel and Offset
Wheel diameter and offset influence whether a 37 inch tire will clear fenders and suspension components. Choosing the correct wheel width and backspacing reduces rubbing while preserving steering geometry and load distribution. Narrow wheels can tuck the tire inwards but may reduce contact patch; very wide wheels risk rubbing on inner components.
When selecting wheels for the Ranger, match load capacity and bolt pattern and consider offsets that keep the tire within the wheel well during full steering lock and suspension compression.
- Match wheel load rating to tire and vehicle requirements
- Consider slightly negative offset to improve clearance on lifts
- Check for hub-centric fitment to reduce vibration risk
Preparing for Off-Road Use and Recovery
If you plan to use 37 inch tires for serious off-roading, prepare recovery gear and a plan for puncture repairs. Carry a quality tire plug kit, a portable compressor, and a recovery strap. Run flat repair materials and a robust jack rated for larger wheels to handle trail incidents.
Lowering tire pressure improves traction in soft surfaces, but you must reinflate before highway driving to avoid excess heat. Know the safe minimum inflation for your particular tire and wheel combination to prevent bead unseating or rim damage.
- Keep a compressor and plug kit in the truck
- Use proper jacking points rated for larger wheels
- Know recommended pressure ranges for off-road and on-road use
Effect on Fuel Economy and Emissions
Larger, heavier tires typically increase rolling resistance and rotational inertia, which can reduce fuel economy. Depending on driving habits, expect measurable changes to highway MPG and city consumption. That effect is compounded if you also add heavier wheels or carry more gear.
If fuel efficiency matters, look for tires with lower rolling resistance and consider lighter wheel options. Balance the desire for aggressive off-road performance with how often you drive long distances on paved roads.
- Expect a modest drop in fuel economy with larger tires
- Rolling resistance varies by tread design and compound
- Lighter wheels can partially offset increased tire weight
Seasonal Use and Winter Performance
Winter conditions demand different tread compounds and siping patterns to maintain traction. While some 37 inch tires offer capabilities across seasons, dedicated winter-focused designs provide better snow and ice grip. If you live where winters are severe, consider a tire that either carries a winter rating or plan for a winter-specific set.
If you alternate seasonal tires, factor in storage space and the logistics of swapping large wheels. Proper winter tires reduce sliding risk and can improve safety when temperatures drop and roads are slippery.
- Look for siping and compound formulas suited to cold temperatures
- Consider seasonal changes in traction when choosing a design
- Plan storage and swap logistics for an extra tire set
Still looking for the perfect fit?
Select your Ford Ranger configuration to see the most relevant Tires recommendations
How We Chose the Best Ford Ranger 37 Inch Tires
We selected these six 37 inch tires for the Ford Ranger by applying practical, vehicle-specific filters to narrow options that work well with the truck's weight and typical use. Primary evaluation criteria included traction across surfaces, load-carrying capacity and load rating compatibility with the Ranger, durability and tread life expectations for mixed on- and off-road use, and ride/handling characteristics when larger tires are fitted. We also considered rolling resistance and potential effects on fuel economy, plus design factors that affect noise and on-road comfort.Additional criteria included ease of maintenance and availability of replacement sizes or matching spare options, as well as patterns that simplify mud and stone ejection to reduce damage risk. We excluded any tires that do not offer appropriate load ratings for common Ranger configurations or that require major suspension or gearing changes to function safely. Tires with unproven durability claims or lacking clear specification data were not considered. The result is a compact list focused on real-world performance, serviceability, and compatibility with the Ford Ranger when using 37 inch tires.
Our full evaluation process is outlined in our review methodology.
FAQ
Will 37 inch tires fit my Ford Ranger without modifications?
It depends on your Ranger's specific suspension, wheel offset, and whether you have a lift. Some Rangers accept 37 inch tires with minimal trimming or by changing wheel offset, while others may need a small lift or fender clearance work. Check fitment carefully for steering lock and full suspension travel.
How often should I check and rotate 37 inch tires?
You should inspect large tires before and after off-road trips and perform a rotation every 5,000 to 7,500 miles for mixed use. Regular rotations help maintain even wear, especially with aggressive tread patterns that can wear unevenly on pavement.
Are special rims required for 37 inch tires on the Ranger?
You do not always need special rims, but wheel width, backspacing, and load rating must match the tire and vehicle requirements. Choose wheels that provide proper clearance and are rated to carry the tire's load and the Ranger's weight under expected loads.
Can larger tires damage drivetrain components?
Larger tires increase rotational mass and effective gear ratio, which can strain the transmission, clutch, or differentials if the change is extreme or repeated under heavy load. Regularly inspect driveline components and consider gearing or tune adjustments if you notice increased strain or heat under load.
Do 37 inch tires require different tire pressure settings?
Yes. Larger tires may need different inflation to support load and maintain handling. Follow manufacturer load and pressure charts, and adjust pressure for off-road use, then reinflate for highway driving. Incorrect pressure accelerates wear and can risk bead or rim damage.
How can I tell when a 37 inch tire needs replacement?
Monitor tread depth, visible damage, and tread wear indicators. Uneven wear, sidewall cuts, or repeated punctures are signs a tire should be replaced. Also consider age and flex fatigue if the tire shows cracking or degraded compound performance.
Is balancing and alignment important after installing 37 inch tires?
Balancing and alignment are essential after any significant tire or wheel change. Proper balancing reduces vibration and premature wear, while alignment ensures correct handling and even tread wear. Have both performed by a qualified shop after installation.
Final Verdict
Choosing the right 37 inch tires for your Ford Ranger is about balancing off-road capability with on-road comfort and load requirements. Prioritize traction and load rating if you use the truck for heavy-duty work or serious trail driving, but do not overlook ride quality, noise, and fuel economy for daily driving.Plan for proper wheel selection, fitment checks, and maintenance including balancing and alignment. Being realistic about how and where you drive the Ranger will help you select tires that meet performance needs while minimizing unwanted tradeoffs. Focus on the factors above to pick confidently and keep the truck safe and reliable.
Explore More:
- Check out all Ford Ranger parts & accessories
- Explore Tires Maintenance & Repair Guides
- Explore Wheels & Tires
- Browse all Auto Parts
