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When the miles stack up and the road gets hot, this tire stays steady. The Rambler ST205/75R15 Radial Trailer Tire has a Load Range C, a 6-ply rating, and carries up to 1,820 lbs at 50 psi. With a speed rating of M (81 mph), it’s made for reliable highway use and meets DOT specifications while exceeding FMVSS standards.
Heavy hauls call for strong construction. This radial tire uses double steel belts and double polyester cords that work together for long tread life and dependable strength under load. The sturdy sidewalls keep the tire stable when carrying heavy cargo, giving you confidence every time you tow.
Heat and high speeds can wear down ordinary tires fast. This Rambler uses a protective nylon tread-firming belt overlay to keep the tread bonded to the carcass, helping prevent tread separation. That means cooler running temperatures and extended tread life even on long, warm-weather trips.
Radial construction keeps the cords at a 90-degree angle to the direction of travel, reducing friction inside the tire as it flexes. That lower rolling resistance means less heat buildup, longer tread life, and improved stability at highway speeds—ideal for anyone who’s on the road more than they’re parked.
You can see wear at a glance thanks to molded tread bars. They make it simple to tell when it’s time for replacement so you can stay ahead of maintenance and keep your trailer rolling smoothly season after season.
1. Count the lug holes
Look at the wheel hub or the back of the wheel and count how many lug holes there are(also called bolt holes).
Common configurations include: 4-lug, 5-lug, 6-lug and 8 lug
2a. For even lug counts (4-lug, 6-lug, 8-lug)
Measure from the center of one lug hole directly across to the center of the hole opposite it.
Common configurations: 4 on 4", 6 on 5.5", 8 on 6.5"
2b. For odd lug counts (5-lug)
Measure from the center of one lug hole to the outer edge of the hole directly across (not center-to-center since there's no directly opposite hole).
Common configurations: 5 on 4.5" (most popular), 5 on 5", 5 on 4.75", 5 on 5.5"
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hello everybody, this is Jeff at etrailer.com. Today we're gonna take a look at this Taskmaster Rambler ST205 75R15 radial trailer tire in a load range C. Now this is a radial ply tire, so it's great for highway use. Uses double steel belts and double polyester cords, which combine for a nice long life. They do use a nylon tread firming belt overlay around the tire to help prevent tread separation. And this tire is designed to fit onto 15 inch diameter wheels.
The tire size, which will be stamped on the sidewall, you can see it'll say, ST, for special trailer, 205 75R15. The R lets you know that it is a radial tire. Capacity on this is a load range C, which means it's a 6-ply rated tire. Has a maximum load of 1,820 pounds at 50 PSI. Now all the new trailer tires do have speed ratings on 'em now, and they stamp it on the sidewall by using a letter designation and where you'll find that is right after the size we went over, you'll see two numbers for a load index.
And in the letter M at the very end, speed rating M will mean it has an 81 mile per hour speed rating. Now this tire has a standard tread on it, which is a solid continuous ribs, and they have very few sipes or thin cuts that are cut into the rubber. Those sipes are what help with bad weather by breaking up any water underneath the tire. Tires like this are designed for use on trailers, so they don't really require that level of traction that would be needed if it was on a vehicle with braking or steering. This is an ST tire, which stands for Special Trailer tire.
Has sturdy sidewalls so they can handle heavy loads and it is created specifically for trailers. It's not intended for use on other vehicles. This tire will meet the DOT, Department of Transportation, specifications and it does exceed your Federal Motor Vehicle Safety Standards. But that should do it for the review on this Taskmaster Rambler ST205 75R15 radial trailer tire in a load range C.
Ratings & Reviews
Excellent tire. I wound buy another one
Not much tread
Excellent. Fast, reliable and professi onal!
These tires are absolutely mint and there going to be holding 500 gallon of water I used to have a 6 ply lol so these should be just great can’t wait to get weight in the trailer and drive it around
Everything looks great. I think the tires may be a bit large for my application. I’m assuming these tires will fit on the rims I purchased but if not, how do I go about sending them back and getting a refund.
Was the perfect fit for my pop up trailer. Took them on a long drive and so far no problems. Smooth ride.
Nice tire.
I only had about 400 miles on these tires when I picked up a piece of road debris. I went ahead and ordered a new tire and had the other patched for future use as a spare. So far (other than the puncture) I love these tires much better than the OEM 6 ply set. I have a 34' Travel Trailer that weighs 6,900lb when dry.
Delivery was on time as planned and placing the order was simple
I bought tires and they
came in the mail. Awesome job guy.
I selected this tire to replace old the 5.30-12 bias ply tires that were on my small utility trailer that I converted to haul Kayaks. I felt the radial option was preferable in terms of load and speed range of 81 mph compared to the bias ply limitation of 65 mph.
With these tires I feel more confident hitting the road for our next river trip. I’ll try to provide an update once I have some miles on these tires.
Nice upgraded tire. Excellent quality.
I needed an affordable yet quality spare tire for our car hauling trailer. I am impressed with the ratings and quality of this tire. The price was very competitive, too. My full order was eligible for free shipping, a big bonus.
It will be better load rating for my little aluminum boat, I’ll have it installed tomorrow, will will be awesome. Thanks ya all.
Great tires, great price, fast delivery, excellent website, wide selection. Nothing but Excellent feedback from me. Living in the country, you help us cope.
Good tires, fast shipping
Very good communication from the start. Clear pricing, stock status, delivery time, and invoicing. Arrived in 2 days well packaged (in a box, not crushed by banding). Mounted them an hour later no issues. Hope these tires serve me as well as the service was from Etrailer
The information video and service were exceptional
Superb customer service and flexible in delivery terms.
Loved it, got what I wanted and was pleasantly surprised at how fast I received it.
Thank you.
Tires arrived in a timely matter and as expected.
we shall see once i place a load in my trailer
Info for this part was:
At etrailer we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time.
Victoria H.
3/4/2025
Yay!!