Best 40 Inch Mud Tires For 15 Inch Rims: 7 Options Compared

#1 · Best Overall

1. Super Swamper IROK

• Dimensions: 39 x 39 x 13.5 in
• Weight: 76 lb
• Load Capacity: 1565 lb
• Rim Size: 15 in

Best for: Oversize 39.5-inch IROK.

Why it ranks #1: Its 39.5X13.50/15 size is the closest listed match to 40 inches, and the specifications confirm a 15-inch rim.

At a listed 39.5 inches, the Super Swamper I-808 IROK comes closest to a full 40-inch target among these products, while specifying a 15-inch rim. Its dimensions make it an oversize option rather than a conventional 31-inch mud-terrain fit, and the listing identifies one tire.

The 39.5X13.50/15 size places this IROK near the requested 40-inch class and states its 15-inch rim specification, which helps buyers screen for the correct wheel category. Its 39-inch listed dimensions and 76-pound weight are practical details for planning handling and installation. The supplied description provides no tread or terrain-performance claims, so buyers should treat the size as the clear differentiator rather than infer how it behaves in mud or on rocks.

Skip it if you need stated mud-clearing features; the Royal Black Terra Force MT lists high-void tread and stone ejectors.

Choose the IROK if your priority is a listed 39.5-inch tire for a 15-inch rim and your vehicle can accommodate that size. The supplied information focuses on dimensions, not specific mud or rock performance.

Listed on Amazon as: Super Swamper I-808 IROK 39.5X13.50/15

#2 · Narrower 38.5-Inch

2. Super Swamper Bogger 38.5/11

• Dimensions: 38.5 x 38.5 x 11 in
• Weight: 71 lb
• Rim Size: 15 in

Best for: Narrow 38.5-inch Bogger.

Why it ranks #2: The 38.5/11-15 size pairs a near-40-inch listed diameter with an 11-inch width, suiting buyers seeking a narrower option.

The 38.5/11-15 specification identifies this Super Swamper B-109 Bogger as a near-40-inch tire with a notably narrow 11-inch listed width and a 15-inch rim. That combination separates it from the broader near-40-inch IROK and suits shoppers comparing dimensions first.

The B-109’s stated 38.5-inch size places it near a 40-inch target, while the 11-inch width offers a narrower listed profile than the Super Swamper I-808’s 13.50-inch width. Its 15-inch rim specification clarifies the wheel category, and the 71-pound listed weight is relevant when planning tire handling. Beyond the Bogger name and dimensions, the supplied information does not describe tread details or terrain performance, so the size is the firm basis for comparison.

Skip it if you require listed mud-clearing features; the Royal Black Terra Force MT specifies high-void tread and deep grooves.

The B-109 suits buyers targeting a 38.5-inch tire for a 15-inch rim who prefer its listed 11-inch width. Check that the dimensions suit the vehicle; the supplied listing does not establish specific mud-performance behavior.

Listed on Amazon as: Super Swamper B-109 Bogger 38.5/11-15

#3 · Highest Capacity

3. Super Swamper Bogger 15/38.5

• Dimensions: 38.5 x 38.5 x 15 in
• Weight: 88 lb
• Load Capacity: 2998 lb
• Rim Size: 15 in

Best for: Wide 38.5-inch Bogger.

Why it ranks #3: Its 15/38.5-15 size is close to the target, and its listed 2,998-pound load capacity is the highest provided.

The 15/38.5-15 size makes this Super Swamper Bogger the roundup’s 38.5-inch option for a 15-inch rim, placing it much closer to a 40-inch target than the 31-inch tires. The supplied listing identifies it as a single tire, so it is a large-format, one-tire purchase.

The listed 38.5-inch size and 15-inch rim specification make this Bogger relevant to buyers pursuing a near-40-inch setup, while also making size compatibility a central installation consideration. The product information provides no tread-pattern or terrain-performance details beyond the Bogger name, so the practical case here rests on its stated dimensions rather than an assumed traction advantage. At 88 pounds and supplied as one tire, handling and planning a complete set warrant attention.

Skip it if you want a 31-inch size with listed tread features; the Royal Black Terra Force MT specifies high-void tread and stone ejectors.

This Super Swamper fits buyers specifically seeking a 38.5-inch tire for a 15-inch rim and who have checked their vehicle’s requirements. The listing gives dimensions and load capacity, but little detail about tread behavior.

Listed on Amazon as: Super Swamper B-132 Bogger 15/38.5-15

#4 · Best 31-Inch Mud

4. Accelera Badak X-Treme

• Dimensions: 29 x 29 x 9 in
• Weight: 44 lb
• Load Capacity: 2337 lb
• Rim Size: 15 in

Best for: Compact 15-inch mud-terrain fit.

Why it ranks #4: The 31X10.50R15 size fits a 15-inch rim and its 2,337-pound load capacity is listed, but it is far below 40 inches.

The 31X10.50R15 size is the key distinction here: it gives truck and SUV owners a defined 15-inch-rim mud-terrain option without moving to the near-40-inch sizes elsewhere in this roundup. Accelera pairs that size with open primary tread blocks, aggressive sidewalls, and a reinforced shoulder for off-road use.

The open primary tread block is intended to help the Badak X-Treme tackle tough off-road conditions, while aggressive sidewalls add a more protective, traction-focused profile. A reinforced shoulder is specifically described as supporting durability and performance, making it relevant for buyers who expect demanding terrain. Its listed 31X10.50R15 size and 15-inch rim specification identify the fit category clearly; the 44-pound tire-only listing is also useful when planning handling and installation.

Skip it if you need a tire close to 40 inches; the Super Swamper B-109 Bogger is listed at 38.5 inches.

Choose this Accelera for truck or SUV owners seeking a 31X10.50R15 mud-terrain tire with open tread and reinforced shoulders. It is not the pick for a near-40-inch build, so weigh its listed size against your vehicle requirements.

Listed on Amazon as: Accelera Badak X-Treme LT31X10.50R15 Mud Terrain 110N C (6 Ply) Radial Tire

#5

5. Royal Black Terra Force MT

• Dimensions: 29 x 29 x 9 in
• Weight: 47 lb
• Load Capacity: 2271 lb
• Rim Size: 15 in

Best for: Self-cleaning trail tire.

Why it ranks #5: This LT31/10.50R15 tire lists a 15-inch rim and high-void mud-cleaning tread, but its 31-inch size misses the target substantially.

An extreme high-void tread pattern gives the Royal Black Terra Force MT its clearest trail-focused advantage: the listing connects the open pattern with traction and mud self-cleaning. The LT31/10.50R15 size fits the roundup’s 15-inch-rim focus, though its 31-inch designation is far short of 40 inches.

The high-void pattern is intended to clear mud from the tread while maintaining traction, a practical trait for drivers moving through muddy trails. Deep grooves and robust shoulder lugs are listed for grip on rocks and rough terrain, while sidewall lugs add side-bite and impact protection. Stone ejectors help prevent rock drilling, and the cut-resistant compound is described for harsh environments. At LT31/10.50R15, it remains a 31-inch-class tire, not a 40-inch replacement.

Skip it if you need a near-40-inch tire; the Super Swamper B-109 Bogger is listed at 38.5 inches.

This Royal Black suits Jeep, 4×4, and pickup owners prioritizing mud clearing, rock grip, and sidewall lugs in a 15-inch-rim tire. Its listed 31-inch size is the important boundary for a 40-inch search.

Listed on Amazon as: Royal Black Terra Force MT Mud Terrain LT31/10.50R15 109Q C Light Truck Tire

#6 · 10-Ply Construction

6. Aplus Shredder M/T

• Dimensions: 29 x 29 x 9 in
• Weight: 47 lb
• Load Capacity: 2271 lb
• Rim Size: 15 in

Best for: Studdable 31-inch trail tire.

Why it ranks #6: Its LT31/10.50R15 size is much smaller than requested, though the listing specifies 10-ply construction and a 2,271-pound load capacity.

Studdable tread elements distinguish the Aplus Shredder M/T, with the listing stating they allow added grip in severe icy or snowy conditions. Its LT31/10.50R15 size is for a 15-inch rim, making it a feature-rich 31-inch option rather than a near-40-inch tire.

Massive open tread blocks provide biting edges for mud and rock crawling, while high voids and stone ejectors are described as preventing debris buildup and maintaining surface contact. Studdable tread elements offer another use case in severe ice or snow. The listing also specifies a heavy-duty 10-ply construction and a tough polyester casing for load capacity, durability, and impact resistance. Its LT31/10.50R15 dimensions place it in a smaller size class than 40-inch tires.

Skip it if you need a tire near 40 inches; the Super Swamper I-808 IROK is listed at 39.5 inches.

This Aplus suits Jeep, 4×4, and light-truck drivers seeking stated mud, rock, and severe winter features in a 31-inch-class tire. Its studdable tread and construction are useful distinctions, but not substitutes for 40-inch sizing.

Listed on Amazon as: Aplus Shredder M/T Mud Terrain LT31/10.50R15 109Q C Light Truck Tire

#7

7. Forceum M/T 08 Plus

• Dimensions: 28 x 28 x 9 in
• Weight: 72 lb
• Load Capacity: 1984 lb
• Rim Size: 15 in

Best for: Two-tire all-weather set.

Why it ranks #7: The 235/75R15 size is listed for a 15-inch rim, but it is not a near-40-inch tire and its load capacity is 1,984 pounds.

The title identifies two Forceum M/T 08 Plus tires, making this listing distinct for buyers seeking a pair rather than a single tire. Its 235/75R15 size specifies a 15-inch rim, while the supplied description emphasizes all-weather traction and tread that clears mud and snow.

Forceum describes the M/T 08 Plus as a mud-terrain tire for light trucks and SUVs, with all-weather traction and road grip in winter conditions. The tread is said to clear mud and snow from between its blocks, which can help keep those materials from remaining packed in the tread during changing conditions. The listed 235/75R15 size is a 15-inch-rim fit, and the two-tire title helps buyers plan a pair purchase; it is not a 40-inch tire.

Skip it if you need a tire near 40 inches; the Super Swamper B-109 Bogger is listed at 38.5 inches.

Consider this Forceum pair if your light truck or SUV needs two 235/75R15 mud-terrain tires and you value the listed all-weather and winter-grip claims. Its size does not suit a near-40-inch tire search.

Listed on Amazon as: Forceum M/T 08 Plus LT235/75R15 Mud Terrain C (6 Ply) Radial Two Tires