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If you own a Ram 3500 and are considering 37 inch tires, the right choice affects towing stability, ride quality, and overall safety. Larger tires can change gearing, suspension response, and payload handling, so selecting tires suited to the truck's heavy-duty role is important. This guide presents the top shortlisted 37 inch tires chosen for their load capacity, tread life, and on- and off-road traction specifically for Ram 3500 owners.Below we cover the evaluation criteria used to pick these options, key tradeoffs to expect with larger tires, and practical fitment notes to help you decide which 37 inch tire best meets your driving needs.
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Top Picks at a Glance
| Best Quality Built to a higher standard if you want something more solid | Landspider Wildtraxx R/T 37×13.50R24 Rugged Terrain Light Truck Tire (Load Range F) |  |
| Best Value The sweet spot between price and what you get | CROSSWIND M/T 37×13.50R26 10-Ply Mud Terrain Tire |  |
| Best Budget The cheapest option that still gets the job done reliably | CROSSWIND M/T 37×13.50R24 10-Ply Mud Terrain Tire | |
| Highest Rated A top-rated pick with lots of positive feedback | CROSSWIND M/T Mud-Terrain 37×13.50R24 Tire, Load Range E |  |
| Most Popular A crowd favorite that many people choose with confidence | Cooper Discoverer STT Pro 37×13.50R20LT All-Season Off-Road Tire |  |
1. Landspider Wildtraxx R/T 37×13.50R24 Rugged Terrain Light Truck Tire (Load Range F)
| Size | 37X13.50R24 |
|---|---|
| Load Index | 129 |
| Speed Rating | R |
| Maximum Pressure | 80 psi |
| Load Range | F |
The Landspider Wildtraxx R/T is a rugged-terrain, all-season tire built for light trucks and large SUVs that need aggressive off-road traction while remaining tolerable on pavement. With a 12-ply rated Load Range F construction and a 129 load index, this 37×13.50R24 radial is aimed at heavy-duty use where load capacity and impact resistance matter. The staggered block tread and open shoulder design help clear mud and rocks and improve steering responsiveness, while reinforced shoulder patterns reduce the risk of sidewall damage from impacts. On paved roads the tread design is tuned to keep noise and vibration lower than full mud-terrain tires, making it usable for long highway drives. Expect solid off-road grip and durability at the cost of somewhat heavier rolling resistance and a chunkier on-road feel compared with highway tires. This tire is best selected when load carrying, puncture resistance, and mixed on/off-road performance are higher priorities than ultimate on-road comfort or fuel economy.
Best for: Buyers who prioritize load capacity, rugged off-road grip, and sidewall durability for heavy trucks and mixed-use driving where occasional highway comfort is acceptable.
Less Ideal for: Drivers who want the quietest, most fuel-efficient highway tire or prioritize the smoothest on-road ride above off-road capability.
- 12-ply rated Load Range F construction for higher load capacity and impact resistance
- Aggressive staggered block tread and self-cleaning pattern for off-road traction in mud, snow, and loose terrain
- Reinforced shoulder design that improves sidewall damage resistance on rough trails
- Tread tuned to reduce on-road noise compared with full mud-terrain tires
- Heavier rolling resistance and a firmer on-road ride than highway-focused tires
Verdict: Choose this tire if you need a 37-inch rugged-terrain tire with high load capacity and durable construction for heavy-duty, mixed on/off-road Ram 3500 use.
2. CROSSWIND M/T 37×13.50R26 10-Ply Mud Terrain Tire
| Rim Size | 26 inches |
|---|---|
| Load Index | 117 |
| Speed Rating | Q |
| Load Capacity | 2833 pounds |
| Load Range | E |
The Crosswind M/T is a mud-terrain tire built for light trucks and SUVs that need aggressive off-road grip while remaining usable on pavement. Its directional open tread and wraparound shoulder blocks eject mud and snow, which helps maintain traction on trails and in sloppy conditions. Wide grooves channel water and slush to reduce hydroplaning risk, and the tread compound is formulated to resist cuts and chips for tougher off-road durability. Rated Load Range E with a 117 load index it supports heavy loads expected from larger trucks. Expect louder road noise and somewhat reduced on-road refinement compared with highway tires, and braking distances on wet pavement may not match premium all-terrain or highway tires. This tire is typically used as a replacement for oversized 37-inch fitments where off-road capability and rugged durability are priorities; it installs like a standard radial and is intended for year-round use in mixed conditions.
Best for: Buyers who prioritize rugged off-road traction and durability for a large truck and want a tire that can handle mud, snow, and heavy loads while remaining serviceable on pavement.
Less Ideal for: Drivers who prioritize quiet highway manners, maximum wet-road braking, or the highest fuel efficiency should consider a highway or premium all-terrain alternative.
- Aggressive directional tread and wraparound shoulders improve off-road mud and loose-surface traction.
- Open, self-cleaning design ejects mud, snow, and rocks to maintain grip off-road.
- Wide tread grooves help disperse water and reduce hydroplaning risk.
- 10-ply, Load Range E construction and 117 load index support heavy light-truck loads.
- Likely louder and less refined on-road than highway-focused tires.
Verdict: Choose this tire when you need a heavy-duty 37-inch mud-terrain that prioritizes off-road grip and rugged durability for a large truck.
3. CROSSWIND M/T 37×13.50R24 10-Ply Mud Terrain Tire
| Rim Size | 24 inches |
|---|---|
| Load Index | 120 |
| Speed Rating | Q |
| Load Capacity | 3086 pounds |
| Load Range | E |
The Crosswind M/T is a budget-oriented 37×13.50R24 mud terrain tire built for light trucks and SUVs that need aggressive off-road traction without a premium price. Its directional, open tread with wraparound shoulder blocks ejects mud and rocks and helps maintain grip in soft terrain, while wide grooves reduce hydroplaning risk on wet roads. The 10-ply, load range E construction and 120 load index support heavy loads and towing common to a Ram 3500 duty cycle. Expect improved steering response and a stiff, durable tread compound that resists cuts and chipping during off-road use. On paved roads the tire will be louder and less compliant than highway-focused tires and wet braking distances can be longer than performance all-terrain options. For buyers prioritizing rugged traction and load capacity on a tighter budget, this tire delivers solid capability, but those seeking a quieter, smoother highway ride should consider more road-oriented models.
Best for: Ram 3500 owners who need a rugged, load-capable 37-inch mud terrain tire on a tighter budget and value off-road grip and durability over highway refinement.
Less Ideal for: Drivers who prioritize quiet highway manners, low rolling resistance, or the best wet braking should look at premium all-terrain or highway light truck tires instead.
- Aggressive directional tread and wraparound shoulder improve mud and off-road traction
- Wide grooves help disperse water and resist hydroplaning
- 10-ply, load range E construction with 120 load index supports heavy loads and towing
- Durable tread compound resists cuts and chipping for rough-terrain longevity
- Noisy and firmer on pavement compared with highway or all-terrain tires
- Less refined wet and dry braking performance than road-focused alternatives
Verdict: A cost-conscious 37-inch mud terrain tire that gives Ram 3500 drivers heavy-load capability and aggressive off-road traction for a modest price.
4. CROSSWIND M/T Mud-Terrain 37×13.50R24 Tire, Load Range E
| Rim Size | 24 Inches |
|---|---|
| Load Index | 120 |
| Speed Rating | Q |
| Load Capacity | 3086 Pounds |
| Construction Type | Radial |
The Crosswind M/T is a 37×13.50R24 mud-terrain radial built for light trucks and SUVs that need strong off-road grip while remaining usable on pavement. Its directional, open tread and wraparound shoulder blocks shed mud, snow, and debris for consistent traction in soft conditions, and wide grooves help channel water to reduce hydroplaning on wet roads. The tire is constructed as a 10-ply, load range E unit with a 120 load index, so it supports heavy loads common on large trucks and towing setups. Expect durable cut-and-chip resistant tread compound that extends life when running on rocky trails. On the highway the aggressive tread will be louder and produce a firmer ride compared with highway or all-terrain tires, and fuel economy may be slightly lower. For a reliability-first buyer looking for sturdy off-road capability and a load-rated design, this tire balances durability and traction at the expense of some on-road refinement.
Best for: Buyers who prioritize dependable off-road traction and a heavy-load capable tire for large trucks and towing, and who accept a firmer, louder on-road experience.
Less Ideal for: Drivers who want a quiet, comfortable highway tire or the best fuel economy for daily long-distance pavement use should consider a highway or all-terrain alternative.
- Aggressive directional tread and wraparound shoulder improve mud and loose-surface traction.
- Wide grooves disperse water and slush to reduce hydroplaning risk.
- 10-ply construction with Load Range E and 120 load index supports heavy loads and towing.
- Tread compound formulated to resist cuts and chipping for longer life off-road.
- Aggressive mud-terrain tread produces increased road noise and a firmer on-road ride.
Verdict: Choose this tire if you need a heavy-load capable 37-inch mud-terrain that prioritizes durable off-road traction and load carrying for large trucks.
5. Cooper Discoverer STT Pro 37×13.50R20LT All-Season Off-Road Tire
| Rim Size | 20 Inches |
|---|---|
| Load Index | 127 |
| Load Capacity | 3860 Pounds |
| Load Range | E |
| Seasons | Year Round |
The Cooper Discoverer STT Pro is built for drivers who take serious off-road routes but still need a tire that works on pavement. It pairs deep, aggressive tread blocks, mud-slinging channels and specialized sidewall climber cleats to bite into mud, sand, and rock while shedding stones. Armor Tek3 construction and stone-armor channels are designed to resist cuts and punctures when crawling over boulders or rough trails. On the road the tire remains tractable for highway driving, though the heavy tread and tall profile will generate more road noise and slightly reduced fuel economy compared with highway-focused options. Fitment is for 37×13.50R20LT sizing with a 10-ply construction and an E load range, making it suitable for loaded trucks and towing. If you prioritize off-road capability and sidewall protection and want a reputable, widely reviewed choice, this tire delivers strong real-world performance; drivers seeking the quietest highway ride or best fuel economy should consider a less aggressive all-terrain alternative.
Best for: Drivers who regularly take challenging off-road trails in a heavy-duty truck and want a proven tire that prioritizes traction and sidewall protection over on-road refinement.
Less Ideal for: Drivers who spend most of their miles on highways and prioritize the quietest ride or maximum fuel efficiency should look at less aggressive all-terrain or highway tires.
- Very aggressive tread with mud-slinger and earth-digger features for strong off-road traction
- Armor Tek3 sidewall and stone armor channels improve resistance to cuts and stone retention
- 10-ply, E load range construction supports heavy loads and towing applications
- Designed to clear mud and debris which helps maintain traction on sticky terrain
- Aggressive off-road tread increases road noise and typically lowers fuel economy compared with highway tires
Verdict: Choose this tire if you need a 37-inch, heavy-duty tire that delivers extreme off-road traction and reinforced sidewall durability for demanding trail and towing use.
Choosing the Right Ram 3500 37 Inch Tires: Key Factors to Consider
Load Rating and Ply Construction
Load rating determines how much weight each tire can support. For a Ram 3500, which frequently carries heavy payloads or tows, choosing 37 inch tires with a sufficiently high load index or reinforced ply construction is critical to avoid overloading the tire at highway speeds. A higher ply rating or commercial-grade construction often improves durability under load but can increase stiffness and influence ride comfort.
Check manufacturer load indexes and, when possible, choose tires that exceed the truck's gross axle weight requirements. Under-rated tires risk premature wear, heat buildup, and potential failure during heavy use.
Tread Design and Traction
Tread pattern affects traction in different conditions. Aggressive, open tread patterns offer superior grip in mud and loose terrain but may produce more road noise and wear faster on pavement. All-terrain style treads provide a compromise between off-road traction and on-road manners, while highway-treaded light truck tires focus on long life and lower rolling resistance.
Consider your typical driving mix. If you spend most miles on pavement with occasional off-road use, select a tread that balances longevity and grip. For frequent off-road or winter driving, prioritize deeper tread and siping for bite.
Size, Fitment, and Clearance
Fitting 37 inch tires to a Ram 3500 often requires checking wheel offset, backspacing, and potential suspension or fender modifications. Tire width and overall diameter both influence clearance with control arms, steering components, and the wheel well. Incorrect fitment can lead to rubbing during full lock turns or suspension compression.
Measure current clearances under full steering lock and full droop before upgrading. When possible, consult fitment guides and account for potential lift or trimming needs to ensure safe operation without interfering with factory systems.
Tread Life and Durability
Tread life influences replacement frequency and total cost of ownership. Heavier-duty tires with tougher compounds and reinforced sidewalls tend to resist cuts, punctures, and chunking, which is useful for trucks that operate on rough roads or construction sites. However, more durable compounds can trade off some traction and may be heavier.
Look for manufacturer mileage warranties or published wear indicators as a proxy for expected life. For commercial or high-mileage use, prioritize longevity and ease of repairability.
Ride Comfort and Noise
Larger-diameter and more aggressive-tread tires typically increase road noise and can make the ride firmer. For a Ram 3500 used as a daily driver or long-haul tow rig, excessive cab vibration or tire drone can become fatiguing. Conversely, if the truck is primarily used off-road, comfort becomes a secondary concern compared with durability and traction.
Consider tires with optimized tread blocks and noise-reduction features if you want a quieter highway experience. Balancing ride comfort against off-road capability is a personal choice tied to how you use the truck.
Wet and Winter Performance
Tire compound and siping patterns determine wet braking and ice or snow traction. If you drive in regions with seasonal snow or frequent rain, selecting 37 inch tires with proven wet traction and winter capability matters for safety. Some tires carry a three-peak mountain snowflake symbol indicating severe snow service, while all-season designs offer moderate year-round performance.
If winter conditions are common, prioritize siping, compound flexibility in cold temperatures, and tread voids that clear snow. For primarily dry climates, you may accept less snow-specific capability in exchange for longer life and lower rolling resistance.
How 37 Inch Tires Affect Vehicle Dynamics
Upgrading to 37 inch tires changes effective gearing, acceleration feel, and speedometer accuracy. Larger circumference reduces engine RPM at a given speed, which can make low-end acceleration feel slower and affect towing performance unless drivetrain adjustments are made. These tires also alter the truck's center of gravity slightly and can change suspension geometry.
Owners should anticipate differences in steering effort and turning radius. Heavier tires increase unsprung mass, which can affect how the suspension responds to bumps. Planning for recalibration of speedometer or considering re-gearing should be part of the decision if you want to preserve factory performance characteristics.
- Expect reduced acceleration and a potential need for re-gearing in heavy towing scenarios
- Larger tires may require recalibration of the speedometer for accurate readings
- Increased unsprung mass can change ride and handling characteristics
Maintenance Considerations for Larger Truck Tires
Proper maintenance extends tire life and preserves safety when running 37 inch tires. Regular pressure checks, rotation schedules, and alignment are more important with larger, heavier tires because uneven wear patterns emerge faster under high loads. Monitor for feathering or cupping that indicates alignment or balance issues.
Tire balancing and alignment should be performed after any size change and periodically thereafter. Inspect sidewalls for damage and check tread depth frequently, particularly if you operate off-highway where cuts and punctures are more likely.
- Check tire pressure at least monthly and before heavy towing
- Rotate tires per manufacturer guidance or more frequently under heavy use
- Have alignment checked after fitment and annually under regular driving
Choosing Tread Type Based on Use Case
Match the tread type to how you use the Ram 3500. Highway patterns prioritize low rolling resistance and long life for extensive pavement miles. All-terrain treads give a balance of on-road comfort with moderate off-road traction. Mud-terrain designs maximize grip in loose surfaces but reduce pavement manners.
If you split time between work sites and highways, an aggressive all-terrain with reinforced sidewalls may be the right compromise. If your primary concern is winter stopping and traction, select a tread with abundant siping and a compound suited for cold temperatures.
- Highway: best for long pavement miles and fuel economy
- All-terrain: balanced option for mixed use
- Mud-terrain: best for extreme off-road traction, more noise on-road
Practical Fitment Tips for Ram 3500 Owners
Before installing 37 inch tires, measure current clearances and test fit with wheels that have appropriate offset. Consider wheel backspacing and whether the factory fender and inner liners will interfere. Some setups require modest lift or trimming to avoid rubbing during full suspension travel.
Also verify brake and steering component clearances. Larger tires increase loads on wheel bearings and brakes; ensure the existing system is in good condition and consider inspections after a trial period on a new tire size.
- Test-fit one tire and wheel before committing to a full set
- Confirm wheel offset and backspacing to maintain proper track and clearance
- Recheck lug torque and wheel bearings after the first few hundred miles
Balancing Load Capacity and Daily Comfort
Deciding between heavier-duty tires and ones tuned for comfort is a tradeoff common for Ram 3500 owners. Reinforced tires with high ply ratings improve load handling but can produce a stiffer ride and more road noise. Conversely, tires focused on ride comfort may not offer the same resistance to deformation under heavy tow loads.
Prioritize load capacity if you regularly haul heavy payloads or tow frequently. If the truck is mostly a daily driver with occasional heavy use, a tire that balances load capability and on-road refinement may be preferable.
- Choose higher load-rated tires for frequent towing and commercial work
- Select comfort-oriented options if daily drivability and noise matter more
- Consider compromises like all-terrain designs with reinforced construction
Still looking for the perfect fit?
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How We Chose the Best Ram 3500 37 Inch Tires
We focused on attributes that matter for Ram 3500 owners who need 37 inch tires for heavy-duty use. Primary evaluation criteria included load rating and ply construction to ensure each tire can carry the truck's payload and towing demands. Tread design and compound were reviewed to assess traction across wet, dry, and loose surfaces while also considering expected tread life. Handling characteristics and sidewall stiffness were examined for steering response and resistance to sidewall damage when driving off-road or on rough surfaces. Noise and ride comfort were considered to balance daily drivability with the harsher feel that can come from taller, stiffer tires. We also considered compatibility with common Ram 3500 suspension and clearance configurations to reduce the likelihood of rubbing or fitment issues.We excluded tires intended only for passenger cars or for racing applications that do not offer adequate load capacity. Tires without published load ratings or detailed construction specs were removed. The final list reflects a balance of durability, traction, and ride characteristics appropriate for a heavy-duty pickup in typical on-road and mixed off-road use.
Our full evaluation process is outlined in our review methodology.
FAQ
Will 37 inch tires fit my Ram 3500 without modifications?
It depends on your truck's wheel offset, suspension, and clearance. Many Ram 3500s accommodate 37 inch tires with the right wheel specifications, but some setups require a mild lift or trimming to prevent rubbing during full suspension travel. Test-fitment or consulting a fitment guide for your exact configuration is recommended.
How often should I check tire pressure with 37 inch tires?
You should check pressure at least monthly and before any heavy towing or long trips. Larger tires carrying heavy loads are more sensitive to underinflation, which increases wear and heat buildup. Regular checks help maintain even wear and safe operation.
Do 37 inch tires require stronger wheels or hubs?
While wheels and hubs are often compatible, you should verify wheel load ratings and ensure lug pattern and stud engagement meet manufacturer specifications. Heavier tires increase stress on wheel bearings and studs, so inspect these components after an initial break-in period.
How will 37 inch tires affect fuel economy?
Larger, heavier tires typically raise rolling resistance and aerodynamic drag, which can reduce fuel economy. The degree of impact depends on tire construction and tread pattern; more aggressive treads and heavier constructions usually have a larger effect than highway-focused designs.
Are 37 inch tires suitable for winter driving on a Ram 3500?
Some 37 inch tire designs offer good winter traction if they have soft compounds, ample siping, and the three-peak mountain snowflake certification. However, many aggressive off-road tires perform poorly on ice. For regular winter conditions, choose a tire with winter capability or consider dedicated winter tires sized for your wheels.
When should I replace my 37 inch tires?
Replacement depends on tread depth, wear patterns, and age. Check tread depth regularly and watch for uneven wear, cuts, or sidewall damage. Many owners replace tires when tread reaches 4/32 or shows signs of structural aging, but specific timing depends on use and observed condition.
Final Verdict
Choosing 37 inch tires for a Ram 3500 requires balancing load capacity, traction, and everyday comfort. Prioritize tires with sufficient load rating and reinforced construction if you routinely tow or carry heavy loads. If you split time between highway driving and occasional off-road use, select a tread that offers a compromise between durability and ride quality.Ultimately, match the tire's load and traction characteristics to your driving habits, verify proper fitment before installation, and maintain a consistent inspection and maintenance routine. That approach will help you select 37 inch tires that provide dependable service for your Ram 3500.
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