Best 38 Inch Tires For 22 Inch Rims: 10 Options Compared

Best 38 Inch Tires For 22 Inch Rims

A strong choice for a 22-inch wheel should come closest to the requested 38-inch diameter while matching your vehicle’s load needs and driving terrain. The listed options top out at 37 inches, so none is confirmed as a true 38-inch tire; buyers seeking the closest listed size should start with the 37-inch models. The Cooper Discoverer STT Pro leads for its 37X13.50R22LT size, stated 3,415-pound load capacity, and combination of off-road and on-road traction.

Other 37-inch choices include mud-terrain and rugged-terrain designs, while smaller 285/45R22 and 33-inch tires suit different fitment needs. Check your vehicle’s approved tire size, wheel width, clearance, and load requirements before ordering.

Size labels and catalog data can conflict, so verify the exact listing and sidewall markings.

The Cooper Discoverer STT Pro is the leading pick among these listings for buyers seeking the closest available option to a 38-inch tire on a 22-inch rim. Its listed size is 37X13.50R22LT, and its load capacity is 3,415 pounds; product details also describe off-road traction, on-road traction, and Armor Tek3 construction. No supplied product is listed as 38 inches, so confirm vehicle fitment and required load rating before choosing this near-size alternative.

Our Top Picks

Cooper Discoverer STT ProBest Overall

Cooper Discoverer STT Pro

Its 37X13.50R22LT size is the closest listed match to 38 inches, with a 3,415-pound load capacity and stated off-road and on-road traction.

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Ironman All Country M/T-XHighest Capacity

Ironman All Country M/T-X

The 37/13.50R22 size is near the target diameter, and its listed 3,968-pound load capacity is the highest among these products.

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Atturo Trail Blade M/T 3710-Ply Mud Option

Atturo Trail Blade M/T 37

This 37X13.50R22 E-rated, 10-ply mud-terrain tire is close to the target size and lists a 3,417-pound load capacity.

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Compare the Listed Tire Options

#ProductSizeRim SizeWeightLoad CapacityBuy
137X13.50R22LT 123Q22 in81 lb3415 lbView on Amazon
2LT37/13.50R2222 in92 lb3968 lbView on Amazon
337X13.50R2222 in82 lb3417 lbView on Amazon
4
Arroyo Tamarock R/T4. Arroyo Tamarock R/TRugged Terrain Pick
37×12.50R22LT22 in84 lb3858 lbView on Amazon
5
Americus Rugged M/T5. Americus Rugged M/TMud-terrain listing with size conflict
22518 in91.3 lb1874 lbView on Amazon
6
Atturo Trail Blade M/T 356. Atturo Trail Blade M/T 35Stone-ejecting mud-terrain tread
35X12.50R2222 in69 lb2833 lbView on Amazon
7
Venom Power Terra Hunter X/T7. Venom Power Terra Hunter X/T285/45R22 road-and-trail fit
285/45R2222 in34 lb2601 lbView on Amazon
8
Lancaster LS-37 A/T8. Lancaster LS-37 A/T285/45R22 all-terrain versatility
285/45R2222 in56 lb2601 lbView on Amazon
9
Gripmax MaxGrip R/T+9. Gripmax MaxGrip R/T+Rugged-terrain all-season trucks
33X13.50R2222 in65 lb2601 lbView on Amazon
10
Red Dirt Road RD-6 M/T10. Red Dirt Road RD-6 M/TFour-tire mud-terrain set
33X12.50R2222 in256 lb2271 lbView on Amazon

Detailed Reviews: Best 38 Inch Tires For 22 Inch Rims

Cooper Discoverer STT Pro

#1 · Best Overall

1. Cooper Discoverer STT Pro

  • Size: 37X13.50R22LT 123Q
  • Rim Size: 22 in
  • Weight: 81 lb
  • Load Capacity: 3415 lb

Best for: Off-road traction with on-road focus.

Why it ranks #1: Its 37X13.50R22LT size is the closest listed match to 38 inches, with a 3,415-pound load capacity and stated off-road and on-road traction.

Cooper's Discoverer STT Pro combines stated off-road performance with on-road traction, while its tread design helps prevent stone retention. Armor Tek3 construction adds a named durability feature, making this 37X13.50R22LT all-season tire a detailed option for buyers balancing trail use and road travel.

The 37X13.50R22LT size identifies a 37-inch-class tire for a 22-inch rim, while Cooper describes the model as an all-season off-road tire that retains on-road traction. Its tread design helps prevent stone retention, a practical feature for reducing debris held in the tread. Armor Tek3 construction is cited for added durability. The listing also describes quiet running and highway hauling, but the tire remains a 37-inch option rather than an exact 38-inch size.

Pros
  • 37X13.50R22LT size is specified
  • All-season off-road traction designation
  • Tread design helps prevent stone retention
  • Armor Tek3 construction adds durability
Cons
  • The listed 37-inch size is short of an exact 38-inch target.

Skip it if you need an exact 38-inch tire; this Cooper is listed at 37X13.50R22LT, while the Arroyo Tamarock is also 37-inch class.

The Discoverer STT Pro suits drivers seeking a 37-inch-class all-season tire with stated off-road traction, on-road traction, and stone-retention control. Its listed size is not exactly 38 inches, so account for that boundary.

Full product details
BrandCooper
Included ComponentsTire Only
Item Dimensions36.89 x 36.89 x 13.4 inches
Item Weight81 pounds
Load Capacity3415 pounds
ManufacturerCooper
Part Number170140006
Manufacturer Warranty DescriptionStandard Limited Warranty
Model Number170140006
Rim Size22 inches
Size37X13.50R22LT 123Q
Vehicle Tire ISO Metric Size Description37/13.50R22LT

Listed on Amazon as: Cooper Discoverer STT Pro All-Season 37X13.50R22LT 123Q Tire

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Ironman All Country M/T-X

#2 · Highest Capacity

2. Ironman All Country M/T-X

  • Size: LT37/13.50R22
  • Rim Size: 22 in
  • Weight: 92 lb
  • Load Capacity: 3968 lb

Best for: Mud-terrain SUV and Jeep use.

Why it ranks #2: The 37/13.50R22 size is near the target diameter, and its listed 3,968-pound load capacity is the highest among these products.

The Ironman All Country M/T-X is explicitly described as a mud-terrain tire for SUVs, light trucks, and Jeeps, with enhanced off-road traction and a smoother on-road experience. Its LT37/13.50R22 size and 3,968-pound load capacity give buyers concrete fit and load specifications to evaluate.

The LT37/13.50R22 size identifies a light-truck format for buyers comparing 22-inch wheel options, while the listed 3,968-pound load capacity supplies a distinct load reference. Ironman describes enhanced off-road traction alongside a smoother on-road experience, making the stated use broader than off-road traction alone. The description also cites lasting durability and improved wear, though it gives no numerical wear life; use the size and capacity as checks against the vehicle's requirements.

Pros
  • LT37/13.50R22 size is listed
  • Mud-terrain use is specified
  • Description cites off-road traction and smoother on-road experience
  • Listed load capacity is 3,968 pounds
Cons
  • The supplied description gives no numerical treadwear life.

Skip it if you need a stated wet-traction groove design; the Arroyo Tamarock R/T lists lateral and zig-zag water-channeling grooves.

This Ironman suits SUV, light-truck, or Jeep owners seeking a 37-inch-class mud-terrain tire with stated on-road comfort benefits. Check the listed LT size and load capacity against the vehicle's needs before choosing.

Full product details
BrandIronman
Included ComponentsTire Only
Item Dimensions36.5 x 11 x 36.5 inches
Item Weight92 pounds
Load Capacity3968 pounds
ManufacturerIronman
Part Number98792
Manufacturer Warranty DescriptionStandard Manufacturer Warranty
Model Number98792
Rim Size22 inches
SizeLT37/13.50R22
Vehicle Tire ISO Metric Size Description37/13.5R22

Listed on Amazon as: Ironman All Country M/T-X Mud Terrain LT37/13.50R22 128Q F Light Truck Tire

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Atturo Trail Blade M/T 37

#3 · 10-Ply Mud Option

3. Atturo Trail Blade M/T 37

  • Size: 37X13.50R22
  • Rim Size: 22 in
  • Weight: 82 lb
  • Load Capacity: 3417 lb

Best for: 10-ply mud-terrain truck fit.

Why it ranks #3: This 37X13.50R22 E-rated, 10-ply mud-terrain tire is close to the target size and lists a 3,417-pound load capacity.

The Atturo Trail Blade M/T lists a 37X13.50R22 size and E/10-ply construction, pairing a wide 37-inch mud-terrain format with a clearly stated ply designation. Its 3,417-pound load capacity gives light-truck buyers another concrete specification to assess when comparing options for a 22-inch rim.

The 37X13.50R22 size identifies this as a wider, taller-format option than a 285/45R22 tire, while the E/10-ply designation is plainly stated for buyers comparing construction specifications. Its 3,417-pound load capacity offers a useful reference alongside those dimensions. The listing identifies it as a mud-terrain radial tire, but supplies no tread-depth or wet-road detail, so buyers should weigh the stated terrain category against their intended driving mix.

Pros
  • 37X13.50R22 size is listed
  • E/10-ply construction is specified
  • Mud-terrain radial tire designation
  • Listed load capacity is 3,417 pounds
Cons
  • No specific tread-depth or wet-road performance details are supplied.

Skip it if you need explicit on-road and off-road traction claims; the Ironman All Country M/T-X listing describes both.

Choose this Atturo if you need a 37X13.50R22 mud-terrain tire and want its E/10-ply designation stated upfront. Its listing leaves tread and wet-road specifics open, so those details matter to your selection.

Full product details
BrandAtturo
Included ComponentsTire
Item Dimensions35 x 35 x 12 inches
Item Weight82 pounds
Load Capacity3417 pounds
ManufacturerAtturo
Part NumberTBMT-PFLM2MA
Manufacturer Warranty DescriptionManufacturer
Model NumberTBMT-PFLM2MA
Rim Size22 inches
Size37X13.50R22
Vehicle Tire ISO Metric Size Description37x135R22

Listed on Amazon as: Atturo Trail Blade M/T LT37X13.50R22 Mud Terrain E (10 Ply) Radial Tire

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Arroyo Tamarock R/T

#4 · Rugged Terrain Pick

4. Arroyo Tamarock R/T

  • Size: 37×12.50R22LT
  • Rim Size: 22 in
  • Weight: 84 lb
  • Load Capacity: 3858 lb

Best for: Rugged terrain wet-road detail.

Why it ranks #4: Its 37X12.50R22LT size is close to the target, with rugged-terrain features and a listed 3,858-pound load capacity.

The Arroyo Tamarock R/T uses lateral and zig-zag grooves to channel water from its footprint, a specific feature tied to its stated wet-traction aim. Its 37X12.50R22LT size, stepped-edge lateral blocks, and sidewall biting edges make this rugged-terrain option particularly detailed about its traction features.

The lateral and zig-zag grooves are described as channeling water from the footprint for better wet traction, giving buyers a stated design rationale for wet-road use. A wide, flat contact patch and stable block design are linked to constant contact and smoother handling. For rougher surfaces, stepped-edge lateral blocks and sidewall biting edges offer additional grip features. The listing identifies a light-truck application and a 37X12.50R22LT size, so verify those dimensions against the vehicle's requirements.

Pros
  • Lateral and zig-zag grooves channel water
  • Wide, flat contact patch is specified
  • Stepped-edge lateral blocks offer extra grip
  • Sidewall biting edges target varied terrain
Cons
  • The listed size is 37X12.50R22LT, not a 38-inch tire.

Skip it if you require an exact 38-inch tire; this Arroyo is listed as 37X12.50R22LT.

Consider the Tamarock R/T if your priority is a light-truck rugged-terrain tire with explicit wet-traction and contact-patch features. Its listed size is 37X12.50R22LT, so it does not match an exact 38-inch requirement.

Full product details
BrandArroyo
Included ComponentsTire Only
Item Dimensions35 x 35 x 11 inches
Item Weight84 pounds
Load Capacity3858 pounds
ManufacturerArroyo
Part NumberATRT54
Manufacturer Warranty DescriptionStandard Manufacturer Warranty
Model NumberATRT54
Rim Size22 inches
Size37×12.50R22LT
Vehicle Tire ISO Metric Size Description37/12.50R22.5LT

Listed on Amazon as: Arroyo Tamarock R/T 37X12.50R22LT 127Q RRL Rugged Terrain All Season Tire

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Americus Rugged M/T

#5

5. Americus Rugged M/T

  • Size: 225
  • Rim Size: 18 in
  • Weight: 91.3 lb
  • Load Capacity: 1874 lb

Best for: Mud-terrain listing with size conflict.

Why it ranks #5: The title gives a 37X13.50R22 size, but specifications conflict by listing an 18-inch rim and size 225, so verify fitment carefully.

The Americus Rugged M/T title identifies a 37X13.50R22 mud-terrain tire, but its specifications separately list an 18-inch rim size. That conflict is the defining buying consideration: the product has a 22-inch size in its title, yet the supplied specification fields disagree.

The title supplies a 37X13.50R22 format and identifies the tire as a mud-terrain model, which may draw buyers comparing 22-inch options. However, the specification section lists a rim size of 18 inches and a vehicle tire size of 225/54R37, both conflicting with the title. The listed load capacity is 1,874 pounds. Because the supplied size information is inconsistent, buyers cannot rely on the listing as a clear fit specification.

Pros
  • Title identifies 37X13.50R22
  • Mud-terrain designation appears in the title
  • Listed load capacity is 1,874 pounds
  • Americus brand is identified
Cons
  • Specifications list an 18-inch rim despite the title's 22-inch size.

Skip it if you need unambiguous 22-inch fit information; the Cooper Discoverer STT Pro lists a consistent 37X13.50R22LT size.

This Americus is only worth considering if you are prepared to resolve its conflicting size fields before purchase. The title says 37X13.50R22, but the specifications state an 18-inch rim and another size.

Full product details
BrandAMERICUS
Included ComponentsTire Only
Item Dimensions28.5 x 28.5 x 9.1 inches
Item Weight91.3 pounds
Load Capacity1874 pounds
ManufacturerAmericus
Part Number2374400
Model Number2374400
Rim Size18 inches
Size225
Vehicle Tire ISO Metric Size Description225/54R37

Listed on Amazon as: Americus Rugged M/T 37X13.50R22 F/12PR BSW

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Atturo Trail Blade M/T 35

#6

6. Atturo Trail Blade M/T 35

  • Size: 35X12.50R22
  • Rim Size: 22 in
  • Weight: 69 lb
  • Load Capacity: 2833 lb

Best for: Stone-ejecting mud-terrain tread.

Why it ranks #6: Its 35X12.50R22 size is smaller than the 37-inch options, with a listed 2,833-pound load capacity and mud-terrain design.

The Atturo Trail Blade M/T combines an extra-deep tread pattern with stone ejectors, features the description says protect grooves and casing from damage while enhancing traction. Its reinforced sidewalls are also stated to reduce scuff risk, giving this 35X12.50R22LT tire concrete protection details.

Extra-deep tread and stone ejectors are described as guarding the grooves and casing from damage while enhancing traction, a useful combination for buyers considering Jeeps, light trucks, or SUVs on rough terrain. Reinforced sidewalls reduce the risk of scuffs, addressing a different kind of wear exposure. The listed 35X12.50R22 size is smaller than a 38-inch target, so buyers should treat the dimensions—not the mud-terrain label—as the key fit distinction.

Pros
  • Extra-deep tread pattern is specified
  • Stone ejectors protect grooves and casing
  • Reinforced sidewalls reduce scuff risk
  • Listed for Jeeps, light trucks, and SUVs
Cons
  • The listed 35X12.50R22 size is below the 38-inch target.

Skip it if you need a 37-inch-class tire; the Cooper Discoverer STT Pro is listed in 37X13.50R22LT.

The Trail Blade M/T fits buyers prioritizing stated tread and sidewall protection features on a Jeep, light truck, or SUV. Its 35X12.50R22 size is a clear boundary for shoppers seeking a 38-inch tire.

Full product details
BrandAtturo
Included ComponentsTire Only
Item Dimensions33 x 33 x 11 inches
Item Weight69 pounds
Load Capacity2833 pounds
ManufacturerAtturo
Part NumberTBMTI0045398
Manufacturer Warranty DescriptionStandard Manufacturer Warranty
Model NumberTBMTI0045398
Rim Size22 inches
Size35X12.50R22
Vehicle Tire ISO Metric Size Description35/12.50R22

Listed on Amazon as: ATTURO Trail Blade M/T Mud Terrain Tire, 35×12.50R22LT 117Q

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Venom Power Terra Hunter X/T

#7

7. Venom Power Terra Hunter X/T

  • Size: 285/45R22
  • Rim Size: 22 in
  • Weight: 34 lb
  • Load Capacity: 2601 lb

Best for: 285/45R22 road-and-trail fit.

Why it ranks #7: The 285/45R22 size fits a 22-inch rim but is not a 38-inch tire; its listed load capacity is 2,601 pounds.

The Venom Power Terra Hunter X/T pairs a 285/45R22 size with an XL radial designation, giving buyers seeking a 22-inch tire a clearly identified size and load capacity. Its listed 2,601-pound capacity provides a concrete reference when comparing tire specifications for a compatible vehicle.

This tire's 285/45R22 specification and 22-inch rim size make its listed dimensions easy to compare against a vehicle's requirements. The 2,601-pound load capacity adds a separate, useful check for buyers evaluating load needs. Venom Power describes its tires as made with quality materials and state-of-the-art technologies to produce durable tires, but the supplied listing gives no tread pattern or specific terrain performance details, so shoppers should use the stated size and capacity as the firm comparison points.

Pros
  • 285/45R22 size is explicitly listed
  • 22-inch rim size is specified
  • XL radial designation appears in the title
  • Listed load capacity is 2,601 pounds
Cons
  • The supplied details do not specify tread design or terrain performance.

Skip it if you need a stated mud-terrain tread pattern; the Ironman All Country M/T-X listing explicitly identifies one.

This is a size-led option for buyers comparing 285/45R22 XL radials for a 22-inch wheel. Its stated capacity helps with specification checks, but shoppers seeking documented terrain characteristics should consider the listing's limited tread details.

Full product details
BrandVENOM POWER
Included Componentstire
Item Dimensions31 x 31 x 10 inches
Item Weight34 pounds
Load Capacity2601 pounds
ManufacturerVENOM POWER
Part NumberTVPXT18
Manufacturer Warranty DescriptionStandard Manufacturer Warranty
Model NumberTVPXT18
Rim Size22 inches
Size285/45R22
Vehicle Tire ISO Metric Size Description285/45R22

Listed on Amazon as: Venom Power Terra Hunter X/T 285/45R22 114T XL Radial 22 inch Tire

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Lancaster LS-37 A/T

#8

8. Lancaster LS-37 A/T

  • Size: 285/45R22
  • Rim Size: 22 in
  • Weight: 56 lb
  • Load Capacity: 2601 lb

Best for: 285/45R22 all-terrain versatility.

Why it ranks #8: This 285/45R22 all-terrain tire is far smaller than the target diameter, though it lists a 2,601-pound load capacity and 45,000-mile limited warranty.

The Lancaster LS-37 A/T uses widely spaced tread blocks and open shoulders to move rocks, stones, mud, dirt, and water out of the tire, supporting consistent traction and casing protection. Its 285/45R22 size makes it a specifically identified 22-inch all-terrain option for light trucks and SUVs.

The aggressive tread pattern is described as supporting traction both on and off road, while open shoulders and widely spaced blocks help clear debris and protect the casing. Tough materials are stated to enhance strength and durability for longer tread life. The 285/45R22 specification suits buyers comparing that exact format, but it is not a 38-inch tire; the listing also notes that the wheel is not included, so the tire is a separate purchase.

Pros
  • 285/45R22 size is listed
  • All-terrain use is specified for light trucks and SUVs
  • Open shoulders and spaced blocks clear debris
  • Tough materials support strength and durability
Cons
  • The listed 285/45R22 size is not a 38-inch tire.

Skip it if you need a 37-inch-class tire; the Ironman All Country M/T-X is listed at LT37/13.50R22.

The LS-37 A/T suits light-truck and SUV drivers who want stated on- and off-road traction features in 285/45R22. It does not meet an exact 38-inch target, and the wheel is not included.

Full product details
BrandLancaster
Included ComponentsTire Only
Item Dimensions32.1 x 11.2 x 32.1 inches
Item Weight56 pounds
Load Capacity2601 pounds
ManufacturerLancaster
Part NumberLC1090
Manufacturer Warranty Description45,000 Mile Limited Warranty
Model NumberLC1090
Rim Size22 inches
Size285/45R22
Vehicle Tire ISO Metric Size Description285/45R22

Listed on Amazon as: Lancaster LS-37 A/T All Terrain 285/45R22 114H XL Light Truck Tire

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Gripmax MaxGrip R/T+

#9

9. Gripmax MaxGrip R/T+

  • Size: 33X13.50R22
  • Rim Size: 22 in
  • Weight: 65 lb
  • Load Capacity: 2601 lb

Best for: Rugged-terrain all-season trucks.

Why it ranks #9: Its 33X13.50R22 size is substantially below 38 inches; the listing identifies a 12-ply F rugged-terrain tire with 2,601-pound capacity.

The Gripmax MaxGrip R/T+ pairs a rugged-terrain, all-season designation with an aggressive tread pattern and durable rubber compound, both identified as supporting rugged-surface performance. Its LT33X13.50R22 size and 12-ply F construction give buyers precise specifications to compare for light trucks and SUVs.

Gripmax identifies this tire for light trucks and SUVs, with a 33X13.50R22 size that sets a clear dimensional boundary for buyers seeking a much taller tire. The 12-ply F designation is included in the title, while the aggressive tread pattern and durable rubber compound are specifically connected to rugged-terrain performance. A stated 55,000-mile treadwear warranty adds a documented ownership reference, but the supplied facts do not establish a 38-inch fit.

Pros
  • 33X13.50R22 size is specified
  • 12-ply F construction is stated
  • Rugged-terrain all-season designation
  • 55,000-mile treadwear warranty is listed
Cons
  • The listed 33-inch size is substantially below a 38-inch target.

Skip it if you need a tire close to 38 inches; the Atturo Trail Blade M/T is listed at 37X13.50R22.

This Gripmax is for light-truck and SUV owners seeking an all-season rugged-terrain tire with stated tread and compound features. Its 33X13.50R22 size is a limiting factor for a 38-inch roundup.

Full product details
BrandGRIPMAX
Included ComponentsTire Only
Item Dimensions31 x 31 x 12 inches
Item Weight65 pounds
Load Capacity2601 pounds
ManufacturerGripmax
Part NumberGRT032
Model NumberGRT032
Rim Size22 inches
Size33X13.50R22
Vehicle Tire ISO Metric Size Description33/13.50R22

Listed on Amazon as: Gripmax MaxGrip R/T+ LT33X13.50R22 Rugged Terrain F (12 Ply) Radial Tire

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Red Dirt Road RD-6 M/T

#10

10. Red Dirt Road RD-6 M/T

  • Size: 33X12.50R22
  • Rim Size: 22 in
  • Weight: 256 lb
  • Load Capacity: 2271 lb

Best for: Four-tire mud-terrain set.

Why it ranks #10: The 33X12.50R22 size is well below the requested diameter, and its listed load capacity is 2,271 pounds.

The Red Dirt Road RD-6 M/T listing specifies four 33X12.50R22 mud-terrain tires, making it a set-level option rather than a single-tire listing. Its all-season designation and stated focus on soft and loose terrain give buyers clear use information alongside the 22-inch rim size.

The four-tire quantity is useful for buyers planning a full set, while the 33X12.50R22 size establishes a clear dimensional limit for those comparing against a 38-inch target. Red Dirt Road describes the RD-6 M/T as an all-season mud-terrain tire for light trucks, with a tread pattern that increases grip on soft and loose surfaces. A 40,000-mile treadwear warranty is listed, offering a specific warranty reference rather than a promised lifespan.

Pros
  • Listing specifies four tires
  • 33X12.50R22 size is stated
  • All-season mud-terrain designation
  • 40,000-mile treadwear warranty is listed
Cons
  • The listed 33-inch size is below the 38-inch target.

Skip it if you need a 37-inch tire instead of a four-tire 33-inch set; the Cooper Discoverer STT Pro is listed at 37X13.50R22LT.

Choose this Red Dirt Road listing if you need four all-season mud-terrain tires for a light truck and the 33X12.50R22 size suits your requirements. Its size is not a match for a 38-inch target.

Full product details
BrandRed Dirt Road
Included ComponentsTire Only
Item Dimensions31 x 31 x 11 inches
Item Weight256 pounds
Load Capacity2271 pounds
Part NumberT3312522RDR-RD6-MT
Model NumberT3312522RDR-RD6-MT
Rim Size22 inches
Size33X12.50R22
Vehicle Tire ISO Metric Size Description33X12.50R22

Listed on Amazon as: RD-6 M/T LT33X12.50R22 Mud Terrain 109Q E (10 Ply) Four Tires

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Why a 37-inch label does not guarantee fit

A tire listed as 37 inches is only a near-size candidate, not proof that it will fit where a 38-inch tire is specified. The supplied listings show several 37-inch formats, including 37X13.50R22, 37X12.50R22LT, and LT37/13.50R22; those labels differ in width and construction details as well as diameter. Catalog data can also contradict itself: Americus Rugged M/T is titled 37X13.50R22, but its specifications report an 18-inch rim and size 225.

Treat that listing as a verification warning, not as confirmed 22-inch fitment. Before purchasing, compare the tire’s sidewall size with the vehicle placard or manufacturer guidance, check wheel-width compatibility, and confirm fender, suspension, and steering clearance.

A shop should also assess whether the vehicle’s gearing, speedometer, and spare-tire arrangements can accommodate a substantial diameter change.

Choose tread for the terrain you actually drive

A more aggressive tread may suit loose terrain, but it does not automatically make a tire the best everyday choice. The set includes mud-terrain models such as Cooper Discoverer STT Pro, Ironman All Country M/T-X, and Atturo Trail Blade M/T, plus the all-terrain Lancaster LS-37 A/T and rugged-terrain Arroyo Tamarock R/T. Product descriptions mention off-road traction, while Cooper’s listing also specifically says it provides on-road traction.

These descriptions are not comparative test results, so they cannot establish which model is quietest, grips best in rain, or lasts longest in your conditions. Consider how often your vehicle sees mud, rocks, wet pavement, and highway travel, then check the manufacturer’s full specifications for noise, snow markings, pressure, and permitted use.

A tire chosen only for an aggressive appearance may bring compromises that matter on daily paved routes.

How to Choose a 22-Inch Near-38-Inch Tire

Listed diameter and size format

Look for a listed diameter as close as practical to your target, then verify the complete size rather than relying on a rounded label. Four listings offer 37-inch formats: Cooper and Atturo at 37X13.50R22, Ironman at LT37/13.50R22, and Arroyo at 37X12.50R22LT. Other options include 35X12.50R22, 33-inch sizes, and 285/45R22, which is not listed as a 38-inch tire.

The 37-inch group best suits shoppers seeking the closest available listed diameter; buyers whose vehicle requires a smaller approved size should choose only after confirming fitment. These products do not establish that a 37-inch tire can replace a specified 38-inch tire.

Load capacity and construction

Choose a tire whose load rating and capacity meet the vehicle’s requirements, rather than selecting by size alone. Listed capacities span 1,874 pounds for Americus Rugged M/T to 3,968 pounds for Ironman All Country M/T-X; Cooper lists 3,415 pounds and Arroyo 3,858 pounds. Construction information also varies: Atturo Trail Blade M/T 37 is E-rated and described as 10 ply, while Gripmax MaxGrip R/T+ is listed as F, 12 ply.

The higher-capacity end may be relevant to heavier vehicles only when the tire’s full rating and fitment are appropriate. Lighter-duty use still requires meeting the vehicle’s specified load needs.

Confirm the full load index, pressure guidance, and axle limits with the manufacturer or a tire professional.

Tread type and intended use

Match tread category to your usual roads, because this selection ranges from mud-terrain to all-terrain and rugged-terrain designs. Mud-terrain options include Cooper Discoverer STT Pro, Ironman All Country M/T-X, and the two Atturo Trail Blade M/T sizes; Arroyo Tamarock R/T and Gripmax MaxGrip R/T+ are rugged-terrain, while Lancaster LS-37 A/T is all-terrain. Product descriptions identify off-road traction across several models, and Cooper’s listing also mentions on-road traction.

The mud-terrain choices suit shoppers prioritizing the listed mud/off-road category; an all-terrain label may be more relevant for mixed use, while rugged-terrain models sit in their own stated category. The supplied facts do not compare noise, wet braking, or real-world wear, so investigate those details for your driving conditions.

Which 22-Inch Tire Is Closest to 38 Inches?

For the closest listed size to 38 inches, choose Cooper Discoverer STT Pro first: it is listed at 37X13.50R22LT and combines stated off-road and on-road traction. If load capacity is the deciding factor, Ironman All Country M/T-X lists 3,968 pounds and the same near-target 37-inch diameter. For a 37-inch rugged-terrain option, consider Arroyo Tamarock R/T; for a 10-ply E-rated mud-terrain option, consider Atturo Trail Blade M/T 37.

Buyers who need an all-terrain category rather than a 37-inch near-match can review Lancaster LS-37 A/T, but its 285/45R22 size is substantially smaller. None is listed as a 38-inch tire, so verify vehicle and wheel compatibility before ordering.

Frequently Asked Questions

Will a 37-inch tire fit a vehicle currently equipped for 38-inch tires?

Possibly, but a 37-inch tire is smaller than a 38-inch tire and may change ground clearance, gearing, and speedometer readings. Check the vehicle manufacturer’s fitment guidance, wheel specifications, and available clearance, including at full steering lock and suspension travel. Confirm the tire’s actual dimensions with its manufacturer before deciding.

How do I confirm that a 22-inch tire fits my wheel width and vehicle clearance?

Check the tire maker’s approved rim-width range and compare it with your wheel’s width and 22-inch diameter. Then verify clearance around the suspension, fenders, brakes, and body through the full range of steering and suspension movement. Consult your vehicle documentation or a qualified tire professional if fitment is uncertain.

What load rating and inflation pressure should I use for my vehicle and tire?

Use a tire whose load capacity meets or exceeds your vehicle’s requirements, and set cold inflation pressure according to the vehicle placard or manual unless a qualified professional advises otherwise. Do not assume the tire’s maximum pressure is the correct operating pressure. Confirm the specific tire’s load and pressure guidance before driving.

Can I mix tires with different sizes or tread types on my vehicle?

Only if your vehicle manufacturer permits the combination. Differences in size, construction, or tread can affect handling and, on some vehicles, drivetrain operation. Check the owner’s manual for requirements, especially for four-wheel-drive and all-wheel-drive vehicles, and consult a tire professional before mixing tires.

Matching tires across an axle is generally important.

What should I check before ordering a tire listed as 37 inches?

Check the complete size designation, load index, load range, and approved wheel-width range, rather than relying on the nominal diameter alone. Confirm vehicle clearance and required load capacity, and verify the seller’s exact listing and quantity. The supplied options include no tire listed as 38 inches, so verify fitment before ordering.

Final Words

For the closest listed size to 38 inches, the Cooper Discoverer STT Pro is the leading choice: it is listed at 37X13.50R22LT and describes both off-road and on-road traction. If load capacity is your priority, compare the Ironman All Country M/T-X, listed at 3,968 pounds. Consider the Arroyo for rugged terrain or the Atturo 37-inch mud-terrain option.

None is listed as 38 inches; confirm wheel fitment, clearance, and required load rating before buying.

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