Best 14 Ply Trailer Tire for Heavy Trailer Loads

#1 · Best Overall

1. Roundrule Xtra ST225/75R15

• Size: 225/75R15 (124/121M)
• Load Capacity: 3527 lb
• Rim Size: 15 in
• Weight: 46 lb

Best for: High-capacity 15-inch ST tire.

Why it ranks #1: Its 14-ply, all-steel 225/75R15 construction and listed 3,527-pound capacity lead the other 15-inch options by stated load capacity.

The Roundrule Xtra lists a 3,527-pound capacity in ST225/75R15, pairing that figure with a 14-ply, Load Range G all-steel specification. Its 124/121M designation provides another stated identifier for comparison, while the special-trailer tire positioning makes its intended application clear to RV and trailer owners.

The ST225/75R15 size and 15-inch rim specification help identify the wheel dimension for a replacement, while the tire-only listing means buyers should plan for a separate rim. Roundrule pairs a 14-ply Load Range G construction with a listed 3,527-pound capacity, which is useful when checking tire requirements against a trailer’s load. The 124/121M designation adds a specific tire identifier, and Roundrule describes its special trailer models as intended to handle large loads.

Skip it if you expect the rim to come with the tire; this Roundrule listing includes the tire only.

Choose the Roundrule Xtra for a trailer needing ST225/75R15 when its 3,527-pound capacity aligns with the application. The 14-ply Load Range G specification suits load-conscious buyers, but plan separately for a compatible 15-inch rim.

Listed on Amazon as: Roundrule Xtra ST225/75R15 124/121M All Season G (14 Ply) All Steel Tire

#2 · Best 15-Inch Set Option

2. GREAMX ST225/75R15

• Size: 225/75R15-14PR
• Load Capacity: 3420 lb
• Rim Size: 15 in
• Weight: 38 lb

Best for: Heavy RV replacement tire.

Why it ranks #2: This all-steel, load range G 14-ply tire lists 3,420 pounds of capacity, and its title identifies a set of four.

All-steel construction paired with a 14-ply rating gives this Libra Trailer Parts tire a 3,420-pound load capacity, making it a match for buyers replacing regular ST225/75R15 tires on heavy trailers. Its 225/75R15 size and 15-inch rim specification identify the intended wheel fit; the tire is for trailer use only.

The 14-ply, Load Range G construction and stated 3,420-pound capacity support buyers outfitting a big RV or trailer that needs substantial load capacity. The 225/75R15 sizing is specified as a replacement for regular ST225/75R15 tires, making the size target clear when planning a swap. Libra says the tire has been sold to trailer manufacturers and tire dealers nationwide. It is sold without a rim, so installation planning must account for a compatible wheel separately.

Skip it if you need a complete wheel-and-tire assembly; this listing supplies the tire only and excludes rims.

Choose this Libra tire when replacing a regular ST225/75R15 on a heavy RV or trailer and its 3,420-pound capacity suits the application. It is trailer-only, and you will need a compatible 15-inch rim separately.

Listed on Amazon as: GREAMX Heavy Duty All Steel Trailer Tires 225/75R15 14 Ply 123/119M -Set 4

#3 · Best 225/75R15 Four-Tire Set

3. Suntek HD Trail Plus ST225/75R15

• Size: 225/75R15
• Load Capacity: 3417 lb
• Rim Size: 15 in
• Weight: 188 lb

Best for: High-capacity 15-inch trailer tire.

Why it ranks #3: The 14-ply all-steel 225/75R15 listing identifies four tires and gives a 3,417-pound load capacity, close to the other options in this size.

With a stated 3,417-pound capacity, the Suntek HD Trail + offers a 14-ply, all-steel option for trailers using ST225/75R15 tires. Its 15-inch rim specification gives shoppers a clear size reference, while the manufacturer describes durability, traction, and handling as qualities of this all-season tire.

The ST225/75R15 size and 15-inch rim specification help buyers identify whether this tire matches their trailer’s wheel setup; the tire-only listing means the wheel is not part of the purchase. Its 14-ply, Load Range G designation accompanies a 3,417-pound capacity, supporting load planning for an appropriately sized trailer. Suntek also cites durability, traction, and handling, giving buyers practical performance considerations beyond size when choosing an all-season trailer tire.

Skip it if you need a wheel included with the tire; this listing specifies tire only, so source a compatible rim separately.

Consider the Suntek when your trailer calls for ST225/75R15 and its 3,417-pound capacity meets your load requirement. The all-steel, 14-ply construction and stated traction and handling suit all-season trailer use; wheels are separate.

Listed on Amazon as: 4 x Suntek HD Trail + ST225/75R15 All Season G (14 Ply) All Steel Tires

#4 · Best 16-Inch Set of Two

4. GREMAX ST235/80R16

• Size: 235/80R16 All Steel
• Load Capacity: 4080 lb
• Rim Size: 16 in
• Weight: 114 lb

Best for: Deep-tread heavy RV tire pair.

Why it ranks #4: This all-steel 14-ply 235/80R16 tire lists a 4,080-pound capacity and a 0.38-inch tread depth; the title specifies a set of two.

A 0.38-inch deep tread is the GREMAX feature most relevant to buyers seeking road handling, durability, and long tread life in a 14-ply trailer tire. This set of two all-steel ST235/80R16 tires carries a 4,080-pound capacity and Load Range G specification for heavy RV and trailer use.

Each ST235/80R16 tire is specified with a 4,080-pound capacity and Load Range G rating, useful figures when matching a trailer tire to its load demands. The 0.38-inch tread depth is identified as supporting road handling, durability, and long tread life, connecting a concrete feature to ongoing use. The set contains two tires, and the 16-inch rim size clarifies the wheel dimension. GREMAX specifies trailer use only and says rims are not included, so wheel arrangements remain separate.

Skip it if you need four tires in one purchase; this GREMAX listing is a set of two.

This GREMAX pair suits heavy RV and trailer owners who need two ST235/80R16 tires with a listed 4,080-pound capacity and deep tread. It is trailer-only, and compatible 16-inch rims are not included.

Listed on Amazon as: GREMAX Set 2 All Steel ST235/80R16 14PR RV Trailer Tires Load Range G 129M

#5

5. Evoluxx EST21 ST235/80R16

• Size: 235/80R16
• Load Capacity: 4079 lb
• Rim Size: 16 in
• Weight: 53 lb

Best for: All-season 16-inch highway tire.

Why it ranks #5: Its trailer-specific, all-steel 14-ply 235/80R16 design lists a 4,079-pound capacity, making it a suitable match for compatible 16-inch setups.

The Evoluxx EST21 specifies 235/80R16 sizing and a 4,079-pound capacity, pairing a 14-ply Load Range G all-steel construction with a highway-terrain, all-season trailer application. Its description notes performance through the year, including mild winter conditions, making seasonal road use a central selection detail.

The 235/80R16 size and 16-inch rim specification help confirm the intended wheel dimension for a trailer replacement, while the listing includes the tire only. Evoluxx pairs its 14-ply Load Range G construction with a 4,079-pound capacity, giving buyers specific figures to compare with their trailer’s requirements. The all-season compound and tread pattern are described as supporting year-round performance, including mild winter conditions. The manufacturer says the EST21 is designed for trailers, not light trucks.

Skip it if you need a light-truck tire; Evoluxx specifies the EST21 for trailers rather than light trucks.

Consider this EST21 for a trailer requiring 235/80R16 when the listed 4,079-pound capacity fits its needs. Its all-season highway-terrain description includes mild winter conditions; the trailer-only application and separate wheel are important boundaries.

Listed on Amazon as: Evoluxx EST21 ST235/80R16 129/125M All Season G (14 Ply) All Steel Tire

#6

6. AOSEN DSRT81 ST235/80R16

• Size: ST235/80R16 14-Ply
• Load Capacity: 4080 lb
• Rim Size: 16 in

Best for: 16-inch high-load RV tire set.

Why it ranks #6: This 14-ply load range G listing includes four 235/80R16 tires and states a 4,080-pound capacity; wheels and rims are excluded.

A stated 4,080-pound capacity per tire makes this four-piece AOSEN DSRT81 set a high-capacity choice for RV and trailer owners using ST235/80R16. The 14-ply, Load Range G all-steel specification identifies its construction, while the listing clarifies that the package contains tires only, not wheels or rims.

The set provides four ST235/80R16 tires, and the listed 16-inch rim size helps buyers assess the intended wheel dimension before arranging installation. Each tire is specified with a 4,080-pound capacity and a 14-ply Load Range G rating, supporting load planning for compatible RV and trailer applications. Because wheels and rims are not included, buyers must arrange those separately. The product information also advises matching tire size, load requirements, and wheel compatibility before mounting.

Skip it if you need a ready-to-mount wheel-and-tire set; this listing contains four tires but excludes wheels and rims.

This four-tire set suits RV and trailer owners requiring ST235/80R16 and a listed 4,080-pound capacity per tire. Match the load needs and wheel compatibility before mounting; the 16-inch wheels or rims must be obtained separately.

Listed on Amazon as: Set of 4 AOSEN DSRT81 ST235/80R16 14 Ply Load G All Steel RV Trailer Tires

#7

7. Nebula Grand Trailer-N 007

• Size: 235/80R16
• Load Capacity: 4079 lb
• Rim Size: 16 in
• Weight: 208 lb

Best for: All-season 16-inch trailer tire.

Why it ranks #7: The 14-ply 235/80R16 all-season trailer tire lists a 4,079-pound capacity, though the listing describes tire-only components.

The Nebula Grand Trailer-N' 007 combines 235/80R16 sizing with a stated 4,079-pound capacity, giving trailer owners a 14-ply all-season option for a 16-inch wheel setup. Its highway-terrain positioning and described dry, wet, and winter performance help define the intended road-use case.

The 235/80R16 size and 16-inch rim specification give buyers a clear reference when checking a trailer’s wheel setup, while the tire-only listing means the rim is separate. Nebula lists a 4,079-pound capacity and a 14-ply Load Range G rating, allowing load requirements to be compared with the tire’s stated figures. Its highway-terrain all-season description and compound and tread pattern are cited for performance in dry, wet, and winter conditions. The tire is for trailers, not light trucks.

Skip it if you need a tire for a light truck; Nebula identifies the Grand Trailer-N' 007 for trailers, not light trucks.

This Nebula suits trailer owners needing 235/80R16 and a listed 4,079-pound capacity, with all-season highway-terrain positioning. Check the trailer application and wheel fit before mounting; it is not intended for light trucks.

Listed on Amazon as: 4 x Nebula Grand Trailer-N' 007 ST235/80R16 All Season G (14 Ply) Tires

#8

8. Transeagle ST205/75R15

• Size: 205/75R15
• Load Capacity: 2649 lb
• Rim Size: 15 in
• Weight: 164 lb

Best for: Compact-size all-steel trailer tire.

Why it ranks #8: This all-steel 14-ply 205/75R15 listing gives a 2,649-pound capacity, lower than the listed 225/75R15 and 16-inch alternatives.

The Transeagle ST205/75R15 combines all-steel construction with a 14-ply Load Range G specification, giving trailer owners a compact 15-inch-size option with a stated 2,649-pound capacity. The listing describes handling, load durability, and traction as product strengths, while the ST designation identifies its trailer-tire application.

Its ST205/75R15 size and 15-inch rim specification help narrow the fit for a trailer using that tire dimension, while the 14-ply Load Range G rating and 2,649-pound capacity inform load planning. Transeagle also cites handling, load durability, and traction, useful considerations for buyers balancing road behavior with carrying demands. The included component is the tire only, so mounting plans need to account for the appropriate wheel separately rather than expecting a complete wheel assembly.

Skip it if you need more than 2,649 pounds of capacity per tire; Libra Trailer Parts GREAMX 225/75R15 lists 3,420 pounds.

This Transeagle suits trailer owners whose required size is ST205/75R15 and whose load needs fit its 2,649-pound capacity. Its all-steel, 14-ply construction and cited traction and handling are relevant; the tire is supplied without a wheel.

Listed on Amazon as: 4 x Transeagle ST ST205/75R15 All Season G (14 Ply) All Steel Tires

#9

9. Evoluxx EST21 ST205/75R15

• Size: 205/75R15
• Load Capacity: 2649 lb
• Rim Size: 15 in
• Weight: 41 lb

Best for: ST205/75R15 highway trailer use.

Why it ranks #9: The trailer-only all-steel 14-ply tire lists a 2,649-pound capacity in 205/75R15, so it suits a narrower size and load requirement.

The Evoluxx EST21 is explicitly a highway-terrain, all-season tire for trailers, pairing ST205/75R15 sizing with a 14-ply Load Range G rating. Its stated 2,649-pound capacity helps frame load decisions, and its trailer-only restriction makes the intended vehicle type especially clear for buyers checking an application.

The ST205/75R15 size and 15-inch rim specification help trailer owners check the wheel dimension needed for a replacement, while the tire-only component listing makes clear that a wheel is not supplied. Its 14-ply Load Range G construction is paired with a 2,649-pound capacity, a concrete figure for comparing against trailer requirements. Evoluxx describes the EST21 as highway terrain and all-season, but expressly says its construction is not suitable for mounting on light trucks.

Skip it if you need tires for a light truck; Evoluxx specifies this EST21 for trailers only, not light-truck mounting.

This EST21 fits trailer owners seeking an all-season highway tire in ST205/75R15 with capacity up to the listed 2,649 pounds. Keep its stated trailer-only application in mind; it is not intended for light trucks.

Listed on Amazon as: Evoluxx EST21 ST205/75R15 115/110N All Season G (14 Ply) All Steel Tire

#10

10. Deestone D292 ST8-14.5

• Size: 8-14.5
• Load Capacity: 3086 lb
• Rim Size: 145 in
• Weight: 27 lb

Best for: Bias-ply trailer tire buyer.

Why it ranks #10: It is designed for trailers and lists 14-ply construction, but its 8-14.5 nylon-belted bias format differs from the other listed radial choices.

The Deestone D292 uses a nylon-belted bias construction, setting it apart from the all-steel options in this roundup for trailer owners seeking the listed 8-14.5 size. Its 14-ply rating and 3,086-pound capacity give buyers concrete load details, while the manufacturer describes its tread for all-season road grip.

The 8-14.5 size and listed 3,086-pound capacity help buyers assess whether this tire matches their trailer’s requirements, and its 14-ply rating provides a further construction detail. Deestone describes the D292 as a highway-terrain, all-season trailer tire; its tread design and all-weather traction are intended to support grip in dry, wet, and winter conditions. The ribbed pattern is also identified as a feature. This nylon-belted bias tire is specified for trailers, not light trucks.

Skip it if you require an all-steel tire; this Deestone is nylon-belted bias construction.

The D292 suits trailer owners specifically seeking an 8-14.5 nylon-belted bias tire with a listed 3,086-pound capacity. Its all-season tread claims cover varied road conditions, but its bias construction is a key fit consideration.

Listed on Amazon as: Deestone D292 ST8-14.5 All Season 120J G (14 Ply) Nylon Belted Bias Tire