Finding the right tires for a fifth wheel trailer is critical for safety and longevity. We researched and compared manufacturer specifications, industry load and speed ratings, and aggregated owner feedback to bring you this guide. Our evaluation focuses on real-world performance, durability, and value to help you make an informed choice.
| Photo | Product | Score | Buy |
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Goodyear G614 RST Top Pick Load Range G, 14-ply rating, max 110 psi |
9.2 | 🛒 Check Price |
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Michelin XPS Rib Runner Up Load Range E or F, 10-12 ply, max 80-95 psi |
8.9 | 🛒 Check Price |
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Sailun S637 Best Value Load Range G, 14-ply, max 110 psi |
8.6 | 🛒 Check Price |
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Maxxis M8008 Reliable Choice Load Range E, 10-ply, max 80 psi |
8.2 | 🛒 Check Price |
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Carlisle Radial Trail HD Budget Pick Load Range D or E, 8-10 ply, max 65-80 psi |
7.8 | 🛒 Check Price |
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Toyo M122 Heavy Duty Option Load Range G, 14-ply, max 110 psi |
8.1 | 🛒 Check Price |
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Westlake ST Radial Entry Level Load Range D or E, 8-10 ply, max 65-80 psi |
7.3 | 🛒 Check Price |
1. Goodyear G614 RST: Top Pick
The Goodyear G614 RST is a top-tier tire built for heavy fifth wheel trailers. In our evaluation, its Load Range G (14-ply) rating provides a high safety margin, and owner feedback consistently praises its stability and low failure rate. The steel-belted design resists punctures and wear, making it a solid choice for long-haul towing.
However, this tire comes at a premium cost, and some owners report a slightly stiffer ride on rough roads. If you are on a tight budget or tow only occasionally, you may find more affordable options. It also requires careful inflation monitoring to maximize its lifespan.
- Steel-belted construction for high load capacity and puncture resistance
- Optimized tread pattern for stable towing at highway speeds
- Reinforced sidewalls reduce flex and heat buildup
Pros: Exceptional load capacity and durability; Proven track record with fifth wheel owners
Cons: Premium price point
2. Michelin XPS Rib: Runner Up
The Michelin XPS Rib is a favorite among fifth wheel owners for its longevity and reliable performance. Based on spec sheets, it offers a ribbed tread that promotes even wear, and owner feedback highlights its low vibration and quiet ride. It is a strong choice for trailers within its load range.
However, this tire maxes out at Load Range F, which may not be sufficient for the heaviest fifth wheels. It also carries a higher price than some competitors. If you need a G-rated tire or tow near maximum capacity, consider a heavier-duty option.
- Ribbed tread design for even wear and reduced road noise
- Advanced rubber compound for long tread life
- Strong sidewalls resist cuts and abrasions
Pros: Excellent tread life and even wear; Good handling and stability
Cons: Not available in higher load ranges for very heavy trailers
3. Sailun S637: Best Value
The Sailun S637 offers G-rated performance at a more accessible price point. In our research, it provides a similar load capacity to premium brands, and many owners report satisfactory durability. The all-steel construction helps resist punctures and heat buildup.
However, some user feedback mentions occasional balance problems out of the box, which may require additional service. It also may not have the same long-term tread life as Michelin or Goodyear. If you prioritize cost savings and are willing to manage potential balancing, this is a solid pick.
- All-steel construction for high load capacity
- Deep tread pattern for good traction
- Competitive pricing for a G-rated tire
Pros: Great value for a 14-ply tire; Good load capacity and durability
Cons: Some owners report balance issues
4. Maxxis M8008: Reliable Choice
The Maxxis M8008 is a well-regarded tire for lighter fifth wheel trailers. According to owner feedback, it offers dependable traction and resists cupping. The twin steel belts and stone ejectors help extend tread life.
However, it is only available up to Load Range E, so it is not suitable for heavy fifth wheels. Some users also note it can run slightly warmer at highway speeds. If your trailer is under 10,000 lbs GVWR, this is a good option, but heavier rigs should look elsewhere.
- Twin steel belts for strength
- Stone ejector ribs protect tread
- Good wet traction
Pros: Reliable performance in wet conditions; Durable construction
Cons: Limited to Load Range E
5. Carlisle Radial Trail HD: Budget Pick
The Carlisle Radial Trail HD is an economical choice for smaller fifth wheels. Our evaluation shows it offers adequate performance for lighter loads, and many owners find it a good value. The nylon cap ply helps with stability at speed.
However, it has a lower load rating and some users report premature wear or sidewall issues under heavy use. It is best suited for occasional towing or lighter trailers. If you tow frequently or carry heavy loads, invest in a higher-rated tire.
- Nylon cap ply for high-speed stability
- Smooth ride characteristics
- Affordable pricing
Pros: Low cost entry point; Decent ride comfort
Cons: Lower load capacity than competitors; Some reports of shorter tread life
6. Toyo M122: Heavy Duty Option
The Toyo M122 is built for the heaviest fifth wheel trailers. Based on manufacturer specs, it features a durable 14-ply casing and is designed to handle high temperatures. Owner feedback notes its stability under load.
However, it is often more expensive and harder to find than comparable G-rated tires. It also has a stiffer ride. If you need maximum load capacity and can source them, this is a strong contender, but for most users, other options offer better value.
- Heavy-duty casing for demanding applications
- Excellent heat dissipation
- Deep tread for long mileage
Pros: Very durable for heavy loads; Good heat resistance
Cons: Higher price and limited availability
7. Westlake ST Radial: Entry Level
The Westlake ST Radial is a budget tire for small fifth wheels and utility trailers. In our research, it meets basic needs for light loads and occasional trips. It is steel belted and offers a reasonable ride.
However, owner feedback indicates it wears faster and may not handle sustained highway speeds as well as premium tires. It is not recommended for heavy fifth wheels or frequent long-distance towing. If your trailer is light and you are on a strict budget, it may work, but we advise stepping up for safety.
- Steel belted construction
- Good for light to moderate use
- Budget friendly
Pros: Very affordable; Adequate for light trailers
Cons: Shorter lifespan under heavy use; Less reliable at high speeds
Frequently Asked Questions
What load range do I need for my fifth wheel tire?
Load range indicates ply rating and maximum pressure. For heavy fifth wheels (over 15,000 lbs GVWR), Load Range G (14-ply) is common. Lighter trailers may use Load Range E (10-ply) or F (12-ply). Check your trailer’s GVWR and tire sidewall specifications to match load capacity. We recommend a safety margin of at least 15% above the maximum load.
How often should I replace fifth wheel tires?
Even if tread looks good, replace tires every 5-7 years due to aging rubber. Check manufacturer date codes. Also replace if you see sidewall cracks, bulges, or uneven wear. Frequent long trips or hot climates may shorten lifespan. Always inspect before each towing season.
Can I use passenger tires on my fifth wheel trailer?
No. Fifth wheel trailers require special trailer (ST) tires designed for higher load capacities and stable sidewall construction. Passenger tires (P-metric) are not built for the loads or sustained highway speeds of RV towing and can fail dangerously. Always use ST or LT tires with appropriate load range.
What pressure should I run in my fifth wheel tires?
Run at the maximum pressure listed on the tire sidewall when fully loaded, as recommended by the manufacturer. Underinflation causes heat buildup and blowouts. Check pressure cold before each trip. Do not exceed the rim’s maximum pressure rating.
How do I know if my fifth wheel tires are worn out?
Look for tread depth below 2/32 inch (use a penny test), uneven wear patterns (cupping, scalloping), sidewall cracks, bulges, or any cuts. Also replace if tires are over 6 years old regardless of tread. Regular visual inspections and pressure checks are essential.
Our Verdict
After researching and comparing, our top pick is the Goodyear G614 RST for its outstanding durability, load capacity, and proven owner satisfaction. The Michelin XPS Rib is a strong runner up, offering excellent tread life and stability for trailers within its load range. Choose based on your trailer’s weight and budget.
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