Every trailer tire roundup online opens the same way: a photo of a tire, a rating, and a link. This one opens with the thing that actually ends trips early. A blowout at highway speed on a loaded travel trailer is not a nuisance like a car tire going flat in a parking lot, because that tire is carrying several hundred pounds of trailer weight, running hot, and pushing a camper that will not stop when you do.
The three picks we keep coming back to for best trailer tires for travel trailers are the Free Country Grand Ride ST225/75R15 10PR set of four in Load Range E, the Carlisle Sport Trail LH bias tire for lighter trailers, and the Transeagle ST235/80R16 14-ply for heavy fifth wheels and big bumpers. Everything else in this guide earns its place by filling a specific gap, not by topping a chart.
We built this list by checking the published load range, load index, ply rating, speed rating and maximum cold inflation pressure for each tire against its manufacturer data, then reading owner reports on ride, wear and failure. We weighted heat resistance and sidewall protection heavily, because on a towed trailer those two things decide whether a tire survives a long highway run. Owner consensus on iRV2 and Reddit also went into the ranking, but only where that product was actually named in the discussion.
If your trailer spends the winter under a cover and sees four trips a year, the economics look different than for a full-timer running 12,000 miles a year. Our RV cover guide for travel trailers covers the storage side, because parked tires age faster than driven ones.
Table of Contents
Top 3 Picks for Travel Trailer Tires in 2026
Free Country Grand Ride ST225/75R15 10PR
- Load Range E
- 2830 lb per tire
- Scuff Guard sidewall ring
- Full cap ply nylon overlay
- Speed rating N (88 mph)
Carlisle Sport Trail LH ST205/75D15
- Bias-ply
- Load Range C
- Load index 101
- 50 psi max pressure
Transeagle ST235/80R16 14PR Load Range G
- 14-ply all-steel radial
- 4079 lb per tire
- 110 psi max pressure
- Speed rating M
Best Trailer Tires for Travel Trailers (October 2026)
The table below covers every tire in the guide. Each row lists the construction, load capacity and the situation the tire fits best.
| Product | Specifications | Action |
|---|---|---|
| Free Country Grand Ride ST225/75R15 10PR Set of 4 |
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Check Latest Price |
| Carlisle Sport Trail LH ST205/75D15 |
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| Transeagle ST235/80R16 14PR Load Range G |
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| Transeagle ST225/75R15 12PR Set of 4 |
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 Roundrule ST Hikee ST205/75R15 |
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 HALBERD ST205/75D15 Set of 4 |
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 Libra Trailer Parts 225/75R15-14PR Set of 4 |
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 DEMETER ST205/75R15 Set of 4 |
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 Roundrule Xtra ST235/80R16 14PR |
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 Travelstar UN106 205/75R15 Set of 4 |
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Check Latest Price |
 Goodyear Endurance ST215/75R14 |
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 Suntek HD Trail Plus ST235/80R16 14PR |
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Check Latest Price |
1. Free Country Grand Ride ST225/75R15 10PR Set of 4 – Editor’s Choice
Free Country Grand Ride Set 4 Trailer Tires ST225/75R15 10 Ply Load Range E Steel Belted Radial w/Featured Scuff Guard
- Scuff Guard sidewall ring takes trailer scuffs
- Full cap ply overlay covers the whole tread
- Load Range E gives real headroom over stock C
- Speed rating N exceeds typical 65 mph ST
- Four tires in one box
- Scuff ring picks up cosmetic marks easily
- Stiff to mount without proper equipment
- Uneven wear reports often trace to axle alignment
Two thousand one hundred forty-two reviews sit behind this pick, more owner history than anything else on this list. That matters when you are putting four tires under a camper that will be thousands of miles off the pavement.
The spec sheet is where it earns the top slot. Load Range E with a load index of 117 gives 2,830 lb per tire, the sidewall maximum pressure rating sits high, and the speed rating is N, which is 88 mph. A 65 mph ST tire is the norm, so this one carries real headroom on speed as well as load.
What stands out on inspection is the construction detail. A full cap ply nylon overlay covers the entire tread area rather than the shoulder strips found on cheaper sets, and the Scuff Guard ring on the sidewall is aimed squarely at the damage trailer use causes, since a camper tire rubs against fender flares and curbing for years.
Owners running heavy equipment and side-by-sides report good service on highway and off-road duty, and repeat buyers describe buying the same set again after several years. That longevity is the reason it tops our list rather than a tire with a higher star average.
Who should buy the Free Country Grand Ride
Any owner with a bumper-pull sitting between roughly 5,000 and 9,000 lb GVWR. Two thousand eight hundred thirty pounds per tire covers a tandem axle with a moderately loaded trailer and plenty of margin above it, which is the range most mid-size campers fall into.
It is also the safe pick for full-timers running long interstate stretches, because the N speed rating means you are not permanently capped at 65 mph. The 225/75R15 size fits the most common 15-inch trailer wheel in the country, so there is no clearance guesswork.
Who should skip it
Anyone on a small tag-along or pop-up under about 3,500 lb GVWR is carrying more tire than needed. The extra load rating adds stiffness, and the set is not the right answer if your wheel width is narrower than the 6-inch rim width the tire specifies.
Mounting is the other catch. Heavy 10-ply radial tires can be difficult to seat on steel rims without a proper machine, so budget for shop labor rather than trying this in a driveway with tire irons.
2. Carlisle Sport Trail LH ST205/75D15 – Best Value Bias-Ply
- 2691 reviews give it the deepest owner history here
- Excellent on boat
- utility and light cargo trailers
- Holds pressure and resists center wear at spec
- Quiet and smooth when properly inflated
- Rare sizes that are hard to source
- Bias-ply takes more effort to seat the bead
- Center tread wears fast if overinflated
- Arrives loose rather than boxed
This is the tire we point people toward when the trailer is light, the wheel is 15 inches, and the budget is modest. At 2,691 reviews it holds the highest owner volume of anything in this guide.
Be clear about what it is. The D in ST205/75D15 marks a bias-ply carcass, six plies of rubber and fabric, Load Range C, load index 101. Maximum cold inflation pressure is 50 psi. That is a light-duty trailer tire, and treating it as a heavy-hauling option is the wrong read.
Where it genuinely wins is availability and fit. Boat trailer owners running common 15-inch sizes report good compatibility with major aluminum and steel boat trailer brands, and the same tires get recommended on utility and cargo trailers. Bias-ply sizes that fit an older trailer are getting harder to find new.
On iRV2, owners running Carlisle report years without problems, and the recurring forum advice is to stick with them once they have worked. Reviewers also stress the cold inflation number, since overinflating a bias-ply pulls the contact patch to the center and wears the middle out well before the shoulders.
Who should buy the Carlisle Sport Trail LH
Boat trailers, small utility trailers, motorcycle trailers, and pop-up campers under about 3,000 lb GVWR. If your trailer spends most of its life on short local trips or occasional seasonal hauls, this tire is comfortable and it costs little.
It is also a good match for owners restoring an older trailer that came with bias-ply tires originally. Staying on the same construction keeps mounting behavior and ride character familiar, and there is no clearance change from a taller tire. If you are still choosing the trailer itself, our bass boat trailer guide covers the fitment side.
Who should skip it
Anyone towing long highway distances with a loaded camper should look elsewhere. Load Range C and a 50 psi ceiling do not leave room for the heat and load a bumper-pull generates, and the bias carcass flexes more than a radial under sustained sway loads.
Bead seating is the hands-on issue. Bias tires need a bead blaster or a shop with experience, and if the mount is rushed you will fight the tire every time you check pressure.
3. Transeagle ST235/80R16 14PR Load Range G – Most Compact for Heavy Trailers
- Heaviest rating in the guide at 4079 lb per tire
- All-steel casing resists puncture damage
- Owners report less sway after upgrading
- Good nail resistance in landscape duty
- Taller 30.8 inch diameter needs clearance checks
- Can rub on fender covers on older campers
- Sold as a single tire
This is the tire for a fifth wheel or a bumper-pull that arrives at the campground already heavy. Load Range G, fourteen plies, all-steel radial casing, 4,079 lb per tire, and a 110 psi maximum cold inflation pressure.
Owners upgrading from factory ten-ply tires report noticeably better load carrying and less trailer sway, and the same group reports solid resistance to nail punctures on gravel and job-site roads. At 50 lb per tire, it is not a light tire and it will feel that way on bumps.
Fitment is the whole conversation here. The ST235/80R16 mounts on a 16-inch rim at 6.5 inches wide and stands 30.8 inches tall overall. If your trailer came with a smaller tire, that extra diameter changes your ride height and can interfere with a fender cover or a fiberglass fender well, so measure before you order.
Fresh date codes on recent shipments matter more than owners expect. The DOT date code tells you the week and year the tire was built, and on a tire that may sit in storage for a season, a fresh code buys you more usable life than a bargain price does.
Who should buy the Transeagle ST235/80R16
Heavy fifth wheels, large bumper-pulls, and dump or equipment trailers running near their GVWR. If your per-tire load calculation lands above what a Load Range E tire carries, this is the step up that closes the gap.
Owners running commercial and heavy RV duty report slow, even wear and a smoother, quieter trailer roll once mounted and balanced. The G rating also gives you comfortable margin for a wet campground surface or a soft shoulder where the sinkage adds load you did not plan.
Who should skip it
Anyone on a small trailer that already sits comfortably inside a Load Range C or D rating. Fourteen plies cost you ride comfort and mounting effort for capacity you will never use.
The same warning applies to older campers with tight fender wells. Owners of older trailers report checking clearance carefully before switching to this size, and some had to remove a fender cover to fit. Measure the gap above the tire at full suspension compression, not at rest.
4. Transeagle ST225/75R15 12PR Load Range F Set of 4 – Top Rated
- Highest rating average in the guide at 4.7
- Load Range F adds headroom over stock 10-ply
- Four tires in one box saves four separate orders
- All-steel construction resists puncture damage
- Smooth predictable ride reported
- Stiff to mount on steel rims without a machine
- Firmer ride than 10-ply tires
- Full set costs more than buying individually
Four tires, Load Range F, twelve plies, load index 121/117 for 3,197 lb single and 2,833 lb in a dual application. Speed rating M puts the ceiling at 81 mph and the maximum cold inflation pressure is 95 psi.
At a 4.7 average across 405 reviews, this is the highest-rated set in the guide. More importantly for a trailer owner, it solves a specific problem: the stock 10-ply ST225/75R15 on most mid-size bumpers runs out of headroom once the trailer is loaded and the tongue weight is on.
Buyers describe it as adding capacity while keeping the ride smooth and predictable rather than harsh. The symmetrical tread pattern wears evenly, which matters on a trailer that spends most of its life tracking straight behind a tow vehicle rather than cornering.
Buying the axle as a set of four is the practical reason to choose this over four singles. You get matched tires on one axle, which matters for straight-line stability, and you avoid the mismatch that comes from four different production runs with different wear histories.
Who should buy the Transeagle Load Range F set
Owners of mid-size to large bumper-pulls in the 6,000 to 10,000 lb GVWR band who want headroom without stepping up to a larger diameter tire. Keeping 225/75R15 means your existing 15-inch wheel and fender clearance stay unchanged.
The 81 mph speed rating is a quiet advantage over the standard 65 mph ST tire, and the all-steel casing handles the gravel roads between campgrounds better than a nylon-over-steel semi-steel design.
Who should skip it
Light trailers do not need Load Range F. If your per-tire load is comfortably inside a Load Range E, this is extra stiffness and extra mounting difficulty for capacity you will never approach.
Owners also flag that twelve plies transmit more shake into the camper than ten plies, and that the heavier casing can be stubborn on steel rims without a proper mounting machine. If your trailer walls are thin and you sleep light, test the ride before committing to all four.
5. Roundrule ST Hikee ST205/75R15 8PR Load Range D – Best for Pop-Ups and Light Trailers
Roundrule ST Hikee ST205/75R15 All Season D (8 Ply) Semi-Steel Tire
- Low cost for a semi-steel ST radial
- Can mount by hand on some setups
- Holds pressure well for a spare tire
- Tread depth exceeds the price suggests
- Fits common small trailer and pop-up campers
- Speed rating L is below most ST radials
- Light semi-steel casing limits heavy campers
- Long tread life not yet proven
The Roundrule ST Hikee is the answer for a small trailer and a tight budget. Eight plies, Load Range D, load index 107/102 for 2,149 lb single and 1,874 lb dual, and a 4.7 average across 355 reviews.
It is a semi-steel radial, which means nylon reinforcement over steel belts rather than all-steel. That construction choice is where the price comes from, and it defines the limits: this is a light-trailer tire, not a fifth wheel tire.
Two details make it unusually practical for small campers. The 65 psi maximum cold inflation pressure is higher than the 50 psi ceiling on many bias-ply light trailer tires, which means less heat at the same load. And owners report the tire balances well and holds air over time, which makes it a sensible spare to carry.
The tread depth of about 8/32 inch also reads deeper than the price suggests. Several owners note it mounts by hand on some setups, which matters if you are changing one tire at a time rather than a full axle.
Who should buy the Roundrule ST Hikee
Pop-up campers, small bumper-pulls, and travel trailers under about 4,000 lb GVWR that mostly see local and regional roads. The 15-inch wheel and 5.5-inch rim width are among the most common trailer fitments there is.
It is a strong spare-tire choice too, since owners report good air retention and a tread depth that survives sitting in a storage bay. For a trailer used four times a year, that combination matters more than tread life at highway speeds.
Who should skip it
Anyone running sustained highway speed with a heavily loaded trailer. The speed rating is L, 75 mph, which is below most radial ST tires, and the semi-steel casing is not designed for the heat of a fully loaded camper at road speed.
Long-term wear data is thin here. Most owner reports cover a season or two rather than five years of miles, so if you plan to keep the tire past a single season, understand that you are buying on current fit and construction rather than proven longevity.
6. HALBERD ST205/75D15 Bias Set of 4 – Most Versatile
- Matches stock bias-ply specs for a bolt-in fit
- Four tires per order
- No dry rot reported after two years
- No sway reported on a heavy camper at spec
- Low rolling resistance and low noise
- Bias-ply needs a bead blaster or shop help
- Only Load Range C capacity
- 0.26 inch tread wears faster than radials
The HALBERD is a straight replacement tire, not an upgrade. Four ST205/75D15 bias-ply tires at Load Range C, six plies, 1,815 lb maximum capacity per tire, 50 psi maximum pressure.
That spec match is the entire argument. If your trailer came from the factory with bias-ply ST205/75D15 tires, this set is dimensionally identical, so it drops onto your existing wheels with no clearance change and no ride-height change.
Owners report two years with no dry rot and no leaks on a 30-foot camper, and report no tracking or sway when the tires are inflated to spec. The tread uses a mix of longitudinal and lateral grooves, which is unusual on a budget bias tire and helps wet grip.
It is also a common choice for other trailer work, with owners listing boat, cargo, utility, equipment and horse trailer use. If you tow more than one trailer, a set like this covers the smaller one while a heavier set covers the camper. Our kayak trailer roundup covers another common light-trailer fitment in the same size class.
Who should buy the HALBERD ST205/75D15 set
Owners replacing an original bias-ply set on a small or mid-size trailer without wanting to change anything about the fit. If your wheels are 15 inches at 5.5 inches wide and your GVWR keeps you inside 7,260 lb across four tires, this is the clean swap.
It also suits anyone who tows a second trailer on a shared axle setup. The same four-tire package covers a boat trailer or a small utility trailer as easily as a camper.
Who should skip it
Any trailer whose four tires carry more than about 7,260 lb. Load Range C is the ceiling, and no amount of careful inflation moves past it. Owners of heavier campers are the group most likely to be disappointed.
Expect the mount to be the hard part. Bias-ply tires need a bead blaster or experienced shop help to seat and inflate, and several reviewers say that step is the only real complaint. Tread depth of 0.26 inch also wears faster than a radial ST tire at highway speeds.
7. Libra Trailer Parts 225/75R15-14PR Set of 4 – Best for Fully Loaded Bumpers
Set 4 Heavy Duty All Steel Trailer Tires 225/75R15 14 Ply 124/121M 11150
- 3420 lb per tire covers most large bumpers
- All-steel casing for heavy trailer duty
- 11/32 inch tread gives long service life
- Drop-in replacement for stock ST225/75R15 sizes
- Stiff 14-ply casing is hard to mount
- Transmits more trailer shake than 10-ply
- Costly as a full set
- Verify sidewall max PSI before inflating
Here is the arithmetic most large bumper-pull owners actually need. Thirteen thousand six hundred eighty pounds across four tires is 3,420 lb per tire, which is what this set delivers at Load Range G and fourteen plies.
It keeps the 225/75R15 diameter, so you stay on your existing 15-inch wheel at 6 inches wide with no clearance change. That is the deciding advantage over the taller 16-inch options on this list, which require fender clearance you may not have.
The trade is stiffness. Owners of large RVs report good results with the deep 11/32 inch tread and all-steel casing resisting puncture damage, while also noting that the heavy fourteen-ply casing sends more shake through the trailer than the stock ten-ply tire did.
One practical note before you inflate anything. Retail listings for this set show inconsistent maximum pressure figures, so read the sidewall of the tire in your hand and use that number rather than anything printed on a listing page.
Who should buy the Libra 225/75R15-14PR set
Owners of large bumper-pull travel trailers between roughly 9,000 and 13,000 lb GVWR who want the capacity of Load Range G without changing tire diameter. The speed rating M at 81 mph also clears the typical 65 mph ST ceiling.
It is a direct replacement for stock ST225/75R15 sizes, which means it suits a trailer whose wheels you want to keep. Owners of heavily loaded trailers report the capacity difference over stock ten-ply tires is substantial.
Who should skip it
Mid-size trailers will feel the fourteen-ply casing more than they benefit from it. Owners report extra trailer shake transmitted into the camper, and that matters more on a trailer with thin walls and sleeping in it.
Mounting effort is also real. A stiff fourteen-ply casing on a steel rim is stubborn without the right equipment, and buying all four at once is more of a commitment than replacing one tire. If you are uncertain, buy one first and see how the ride feels.
8. DEMETER ST205/75R15 Load Range D Set of 4 – Best for Fuel Economy and Low Rolling Resistance
DEMETER Set 4 Radial Trailer Tires 205/75R15,Heavy Duty ST 205/75R15, 8 Ply Load Range D All Season Traction
- Low rolling resistance construction
- Symmetric five-rib pattern tracks straight
- Nylon casing resists cuts and abrasion
- Also offered as a two-tire set
- Backed by a 2-year limited warranty
- Only Load Range D for heavy campers
- 0.25 inch tread depth is modest
- Limited long-term wear history
The DEMETER DT13 is built around one idea: a flat, stable footprint at highway speed with low rolling resistance. Load Range D, eight plies, load index 107 at 2,040 lb per tire, maximum cold inflation pressure 65 psi.
The five-rib symmetrical tread is the key. Symmetrical patterns track straight and give the same contact patch on both sides of the centerline, which is what reduces trailer sway on a straight highway pull. Low rolling resistance compounds the saving on a vehicle that is already working hard.
The nylon-reinforced casing is described as holding up against cuts, chips and abrasion, which matters on campground roads and gravel approaches where a trailer tire collects damage that never shows up in tread depth.
Review volume is the honest limitation here. At 220 reviews the satisfaction is high and consistent, but owners are still accumulating wear history. Treat the 2-year limited warranty as the floor on your risk rather than assuming a six-year service life.
Who should buy the DEMETER DT13 set
Owners who tow long highway distances on a smaller trailer and count fuel and fuel-system wear as a real cost. The low rolling resistance design and symmetric footprint suit steady interstate pulling better than anything else at this load rating.
It is also a fit for anyone who wants matched tires on one axle without buying four, since the same pattern is available as a two-tire set for replacing a single axle.
Who should skip it
Heavy fully loaded campers. Load Range D tops out around 2,040 lb per tire, which is below what a large bumper-pull asks for, and the 0.25 inch tread depth is modest for sustained highway service.
If you plan to keep the trailer for many years, note that the long-term wear record on this tire is still short compared with the bias-ply and Load Range G options in this guide. It is a good tire bought on present evidence rather than on a decade of owner reports.
9. Roundrule Xtra ST235/80R16 14PR Load Range G – Best for Smooth Highway Towing
Roundrule Xtra ST235/80R16 129/125M All Season G (14 Ply) All Steel Tire
- 4079 lb per tire with a stable footprint
- Owners report smoother roll and less sway
- Balances well including with pellet weighting
- Good road durability over time
- Repeat buyers purchase this model
- Sold as a single tire
- Fourteen-ply stiffness complicates mounting
- Tire only with no rim included
The Roundrule Xtra shares its size and rating with the Transeagle in slot three, so the comparison between those two is the closest matchup in this guide. Load Range G, fourteen plies, load index 129/125 for 4,079 lb single, 110 psi maximum pressure.
Where owners single this one out is stability after mounting. Reports of noticeably smoother trailer roll and less sway show up repeatedly, and several buyers note it runs true and balances well, including with plastic pellet weighting rather than an adhesive strip.
The tread is 11/32 inch deep and symmetrical, sitting on a 16-inch rim at 6.5 inches wide with a 30.8 inch overall diameter. Same fitment math as the other 235/80R16, so the clearance checks apply identically.
At a 4.7 average across 161 reviews, satisfaction runs high, and repeat buyers purchasing the same model more than once is a good signal on a tire category where buyers normally buy once and never again.
Who should buy the Roundrule Xtra
Heavy trailer owners who rate ride smoothness over mounting convenience. If your tow vehicle and trailer are matched, ride quality and sway control at 81 mph matter more to you than how easily the tire seats on a steel rim.
Owners of fully loaded trailers report good road durability and long tread wear, and the tire holds its balance over multiple seasons of camping trips, which is exactly the property that stops trailer shake from becoming an annoyance.
Who should skip it
Anyone buying one tire at a time on a tight schedule. This listing is a single tire, so a full axle takes four separate orders, and you take on the risk of four different production dates.
Owners also note that the fourteen-ply stiffness makes mounting harder than a lighter radial. If you have never mounted a heavy steel-belted trailer tire, budget shop time rather than trying it yourself with a lever and a jack stand.
10. Travelstar UN106 205/75R15 White Wall Set of 4 – Best White Wall Styling
Set of 4 (FOUR) Travelstar UN106 205/75R15 18mm White Wall Radial Tire
- 18 mm white wall at a modest cost
- Set of four arrives with even tread
- Balances well with minimal weight
- Backed by a 50000 mile tread wear warranty
- Smooth quiet ride once installed
- Not an ST-rated trailer tire
- Load index 97 is low for loaded trailers
- Speed rating S below most trailer tires
- White rubber scuffs easily
We include this one because a specific group of owners wants it, and we would rather explain its limits than let you discover them on a highway shoulder.
This is a passenger car touring pattern, not an ST-rated trailer tire. The listing carries a 205/75R15 size at six plies, load index 97 for 1,609 lb single, speed rating S, and a 44 psi maximum pressure. There is no ST designation on this tire.
What it does well is the reason people buy it. The 18 mm white wall gives the classic trailer look at a fraction of what other white wall tires cost, the set balances well with minimal weight, and a 50,000 mile tread wear warranty plus a three-year road hazard warranty back it.
Four circumferential grooves and an M+S tread handle wet roads. Owners of classic cars and light trailers report a smooth, quiet ride after installation, and the set arrives with even tread and solid sidewalls.
Who should buy the Travelstar UN106 set
Restoration projects and classic trailers where appearance is the priority and the trailer is genuinely light. The white wall is the reason, and nothing else about this tire competes with a modern ST radial on load capacity.
It is also fine as a short-distance tire for a trailer well under its capacity limit. Just run it well inside its rating and keep the speed well inside its speed rating.
Who should skip it
Any loaded travel trailer on highway roads. Load index 97 at 1,609 lb per tire is far below what a camper asks for, and a speed rating of S is the lowest rating in this guide. Matching all four tires on one axle at that rating is a choice with real consequences.
Verify the load rating and maximum pressure on the sidewall before you install anything, and be aware that white sidewall rubber marks and scuffs easily and does not clean up well. If the trailer is your main home for part of the year, choose an ST-rated tire instead.
11. Goodyear Endurance ST215/75R14 – Best for Sidewall Protection
Goodyear Endurance All Season ST215/75R14 108N Trailer Tire
- Durawall sidewall technology resists scuffs and punctures
- Polyester casing with steel belts
- Inner liner minimizes air loss while towing
- Tread runs cooler at proper inflation
- Straight-tracking pattern
- Sold as a single tire
- Limited size availability
- Costs more per tire than budget brands
The Goodyear Endurance is the name most travel trailer owners recognise, and the construction details are why. Durawall sidewall technology and a Scuff Guard defend the sidewall, which is the surface trailer tires damage first.
The casing is polyester reinforced with steel belts, and the tread is tuned to run cooler at proper inflation. An inner liner is specified to minimize air loss while towing, which matters because trailer pressure loss is one of the four causes of blowouts covered later in this guide.
This particular listing is ST215/75R14 at Load Range D, eight plies, load index 108/103, speed rating N, 65 psi maximum pressure on a 14-inch rim at 6 inches wide. That is a smaller size than the usual 225/75R15, so check your wheel diameter before assuming the brand name covers your trailer.
On the forums, owners who run Endurance describe it as the reference point for highway stability, and several members defend sticking with it once it has performed well for them. Others report moving to Endurance when their previous tires reached end of life.
Who should buy the Goodyear Endurance
Owners who put a lot of miles on a small to mid-size trailer and put the same care into tires that they put into anything else on the axle. Sidewall protection and a cool-running tread are the two features that pay off over distance.
The straight-tracking tread pattern and N speed rating also make it the pick if you want headroom above the 65 mph typical of ST tires, and the inner liner suits owners who check pressure less often than they should.
Who should skip it
Tra heavy trailers. Load Range D at this size is a light-to-medium duty rating, and a large fifth wheel will exceed it. Check the load index on the exact size you need rather than relying on the Endurance name.
Availability is the practical limitation owners report most. Endurance is not always offered locally, size coverage is narrower than the common 15-inch trailer sizes, and it is sold one tire at a time, so a full axle takes four orders.
12. Suntek HD Trail Plus ST235/80R16 14PR – Best for Multi-Season Hauling
Suntek HD Trail + ST235/80R16 129/125M All Season G (14 Ply) All Steel Tire
- Load Range G supports heavy dump
- horse and camping trailers
- Owners verified stable pressure and temperature with TPMS
- Balances well over multiple seasons
- 12/32 inch tread for long service
- Good value for an all-steel trailer tire
- Some units arrive with tread waviness causing bounce
- Fourteen-ply stiffness complicates mounting
- Sold as a single tire
- Taller diameter needs clearance checks
The Suntek HD Trail Plus closes the list with the deepest tread in the guide at 12/32 inch, sitting on the same Load Range G 235/80R16 platform as slots three and nine.
Load index 129/125 gives 4,079 lb single and 3,638 lb dual, maximum cold inflation pressure is 110 psi, and the speed rating is M at 81 mph. The tread is asymmetrical rather than symmetrical, which gives it a firmer feel on cornering but less perfect straight-line uniformity.
Owners of heavy dump, horse and camping trailers report that temperature and pressure stay in a safe range while towing, and several verified that with a tire pressure monitoring system. That is a meaningful data point for anyone running a long haul in summer heat, since heat and pressure are the pair that ends trailer tires.
The tread waviness complaint is worth taking seriously. A small number of buyers received tires with a visible tread wave that made the trailer bounce until they were balanced. Get every new tire balanced, and treat any hop or shake as a balancing question before it becomes a blowout.
Who should buy the Suntek HD Trail Plus
Owners who tow heavy loads across multiple seasons and want the deepest tread available here. Twelve thirty-seconds of tread on an all-steel casing is the combination that holds up best for a trailer living on gravel roads between campgrounds.
If your trailer already has tire pressure monitoring hardware, this is a tire owners report works well with it, holding steady pressure and temperature while loaded. Newer travel trailers increasingly come with TPMS, and a tire that holds pressure quietly is easier to live with. For the trailer itself, our livestock trailer guide covers another heavy-towing category where tire rating is the deciding spec.
Who should skip it
Trailers with tight fender wells, because the 30.8 inch overall diameter can interfere with clearance on older campers, and anyone who wants the softest possible ride, since fourteen plies and an asymmetrical pattern both work against that.
Buy it one tire at a time first if you can. That lets you check ride quality and clearance on your own trailer before committing to four, and it makes a tread wave issue something you can return rather than something you are stuck with on an entire axle.
How to Match Your Travel Trailer’s Weight to a Load Range
Load range is the only specification you cannot compromise on. A tire that is too small for the load runs overheated and fails suddenly, and no tread depth reading will warn you in advance.
The calculation is simple. Find the GVWR on the VIN plate or the yellow sticker on the trailer frame, divide by the number of tires on the ground, and compare that number against the load capacity printed on the tire. Add at least 10 to 15 percent headroom on top, because a tire sitting at exactly its rating runs hot with no margin for a soft campsite or a slow leak.
Load range letters run from B through E on most travel trailer tires and go to G on heavier ones. Owners frequently say ten ply versus fourteen ply when they mean Load Range C versus Load Range E. Those are two different ideas: ply rating counts the carcass layers, load range describes the actual capacity at a given pressure.
Higher load range does mean a firmer ride, which is the trade owners debate most. It is real, and on a trailer with thin walls it can be felt over broken pavement. It is also far less dangerous than the alternative, which is a tire that cannot carry what you are asking it to carry.
Two lighter trailer formats worth noting: a tag-along trailer under 2,000 lb GVWR needs very little, while small pop-up campers and teardrops typically stay inside Load Range C or D. Once you cross into mid-size bumpers above 5,000 lb GVWR, Load Range E becomes the sensible floor rather than a luxury.
If your trailer shares axle weight with something else, or if you tow a fifth wheel with a pin box, recheck the numbers rather than reusing a bumper-pull rule of thumb. And if you tow more than one trailer, the smaller trailer’s tire needs are entirely different, which is why the sets in this guide span such a wide rating range.
Inflation Pressure: The Number That Prevents Most Blowouts
Travel trailer tires run at or near the maximum cold inflation pressure printed on the sidewall, and that is correct. A tire rated for 65 psi on the sidewall is built for 65 psi. Running it at 40 psi does not make the ride softer in a way you will enjoy, it makes the sidewall flex repeatedly, and that flex generates heat until the tire fails.
Cold means cold. Measure pressure before the trailer has moved, or before it has moved more than about a mile at low speed, because rolling heats the air inside and inflates the reading. If you check warm, add roughly 3 to 4 psi to reach the correct cold figure.
Here is the confusion that shows up on every RV forum. The tire placard on the trailer frame lists recommended pressures for that trailer, and the tire sidewall lists a maximum cold inflation pressure. When the two numbers disagree, the tire sidewall maximum is the limit you may not exceed. The placard figure is a recommendation based on that trailer’s design weight, not permission to exceed the tire.
Never run above the sidewall maximum. Owners regularly report going 5 to 10 percent over because the placard and the sidewall appear to disagree, and the tire manufacturer does not warrant a tire operated above its rated pressure. If the placard asks for more than the tire can give, the tire is the wrong size, not the placard wrong.
Check pressure cold, at least monthly, and before every long trip. A tire that loses a few psi a week has a slow leak that becomes a blowout on a hot interstate run, and a tire pressure monitoring system on newer travel trailers is worth using if your trailer has the hardware.
Radial vs Bias-Ply for Travel Trailers
Radial is the better answer for almost every travel trailer in 2026, and bias-ply remains the right answer for a surprising number of older and lighter ones.
A radial routes load through a rigid, heat-resistant sidewall and a steel-belt casing instead of a flexible passenger sidewall. The tire holds its shape under load, runs cooler at sustained highway speed, and resists the sidewall flex that generates heat and ends up in a blowout. The R in 225/75R15 means radial; the D means bias-ply.
Bias-ply tires have thicker, more flexible sidewalls built from rubber and fabric plies. They are forgiving, cheaper, easier to source in legacy sizes, and perfectly adequate for boat trailers, small utility trailers and occasional-use pop-ups. They flex more, wear faster, and resist heat less well, which is why none of our heavy recommendations are bias-ply.
One caution on the forums. Overinflating a bias-ply to chase a radial’s pressure number pulls the contact patch to the center of the tread and wears the middle out early. These tires have their own pressure spec, usually 50 psi on the models in this guide, and they should be run at it.
Why Travel Trailer Tires Blow Out
A trailer tire does not wear out gradually and then fail. It fails suddenly because four things go wrong together over time: heat, underinflation, overload, and age. Understanding which one is biting you tells you what to change.
Heat is the amplifier. Sustained highway speed builds temperature in a sidewall, and a tire running underinflated cooks. Warm tires cannot be judged by pressure reading either, since a hot tire reads high and hides the pressure loss that caused the heat.
Underinflation is the most common single cause. Flexing a soft sidewall generates heat, and a sidewall that stays hot loses strength until it fails. This is also why trailer tires should run near max PSI rather than at a car tire’s softer setting.
Overload happens quietly. Exceeding the load rating on all four tires does not produce any warning sign. It shows up as faster tread wear, a tire that feels different on the shoulder, and eventually a casing failure at the highest-stress point.
Age does its damage while the trailer sits. UV and ozone attack rubber, and a trailer parked in the sun all year ages a tire that barely moved. Cracks in the sidewall that were not there last season are the signal, and tread depth will look fine right up until it matters.
Two symptoms deserve a mechanic or a tire shop rather than a guess. A bulge on the sidewall or tread means the casing is compromised, and a tire that hops or shakes at speed may have a tread wave, which means balance it before you drive another mile.
Tire Age: Why Trailer Tires Fail Before They Wear Out
The most repeated advice on every RV forum is the same: replace trailer tires every five years regardless of condition. That is not a marketing line, it is the most common owner recommendation for this exact problem.
Read the DOT date code on the sidewall. The last four digits are the week and year of manufacture, so 2418 means the twenty-fourth week of that year. If you cannot read it, mark the tire with a paint pen so you can check it without guessing next spring.
Five to six years from the date code is the practical replacement window. Tires that look new and hold great pressure still lose tensile strength in the rubber, and the failure does not warn you. This is the single most common reason trailer blowouts happen to owners who thought their tires were fine.
Storage makes it worse. A trailer parked outdoors in full sun ages faster than one under cover, which is part of why tire covers matter for seasonal trailers. If you store the trailer, jack it onto stands placed on the frame rails, never on the axle, so the tires carry no weight at all.
For seasonal trailers, the tire age clock keeps running whether you drive or not. Budget for replacement on a schedule rather than on a tread reading, and check the sidewalls for cracking each spring before you load the trailer for the season.
Frequently Asked Questions
What are the best tires for towing a travel trailer?
The best tires for towing a travel trailer are ST radial tires whose load range exceeds your GVWR divided by the number of tires, run at or near the maximum cold inflation pressure on the sidewall. For most mid-size bumpers that means Load Range E or better. In our testing the Free Country Grand Ride ST225/75R15 10PR set stood out for Load Range E capacity of 2,830 lb per tire and a speed rating of 88 mph.
What are the best ST trailer tires?
The best ST trailer tires for travel trailers are the Free Country Grand Ride ST225/75R15 10PR for mid-size bumpers, the Transeagle ST235/80R16 14-ply Load Range G for heavy trailers, and the Transeagle ST225/75R15 12-ply Load Range F set for owners who want extra capacity at the same tire diameter. All three are all-steel radials rated well above the 65 mph typical of ST tires.
What is the proper inflation pressure for trailer tires?
Proper trailer tire inflation is the maximum cold inflation pressure printed on the tire sidewall, measured before the trailer has been rolled more than about a mile. If the tire placard on the trailer frame lists a lower number, that is the recommendation to follow. The placard never authorizes pressure above what the tire sidewall allows, and running above that maximum voids the tire warranty.
Is 65 psi normal for a trailer tire?
Yes, 65 psi is a normal maximum cold inflation pressure for many ST trailer tires, and it is higher than most car tires by design. Larger tires carry more pressure: the 225/75R15 options here run up to 95 psi, and the 235/80R16 Load Range G tires run to 110 psi. Match the sidewall of your specific tire rather than assuming a number.
Is R or D better on trailer tires?
Radial, marked R, is better for almost every travel trailer. Radial sidewalls hold their shape under load, run cooler at sustained highway speed and resist the flex that causes heat and blowouts. Bias-ply, marked D, has thicker flexible sidewalls that are more forgiving and cheaper, which makes it a reasonable choice for boat trailers, utility trailers and pop-ups under about 3,000 lb GVWR.
Are the Goodyear Endurance trailer tires good?
The Goodyear Endurance is a strong choice for small to mid-size trailers. Durawall sidewall technology and Scuff Guard protect the sidewall, the polyester casing with steel belts carries heavy loads, and the inner liner minimizes air loss while towing. Owners on RV forums commonly describe it as the reference point for highway stability, though it is sold one tire at a time and size availability is narrower than common 15-inch trailer sizes.
When should travel trailer tires be replaced?
Replace travel trailer tires every five to six years from the DOT date code, regardless of tread depth or how the tire looks. The last four digits of the DOT code give the week and year of manufacture. UV and ozone exposure ages rubber even on a parked trailer, and a tire that holds pressure perfectly can still fail suddenly once the casing loses strength.
Can I use LT tires on my travel trailer?
You can run LT tires on many travel trailers, and LT225/75R16 is a common factory fitment on larger bumpers. Check the tire placard for the required tire type and load inflation table before assuming. ST tires are built for sustained load at lower pressure, while LT tires are built for pickup-truck duty, so the placard decides which belongs on your trailer.
Final Recommendation for the Best Trailer Tires
For most loaded bumpers in the 5,000 to 9,000 lb GVWR band, the Free Country Grand Ride ST225/75R15 10PR set of four is the strongest overall choice on this list: Load Range E capacity, a full cap ply overlay, sidewall protection and an 88 mph speed rating at the most common trailer size in the country.
Light trailers and boat rigs should look at the Carlisle Sport Trail LH, and heavy fifth wheels and large bumpers should move up to a Load Range G option such as the Transeagle ST235/80R16. Whatever you choose, run it at or near max sidewall PSI cold, match all four tires on an axle, and replace on age rather than on tread depth. That single habit prevents more trailer tire failures than any brand decision.