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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
Claire H.
9/1/2026
Glad to hear they’ve been working well and holding air without affecting the ride! No worries about the photos—we appreciate you sharing the one you could. Have you noticed any change in how the camper handles when driving?
Brooke M.
5/21/2025
Happy campers is the goal! Thanks for sharing the photo :) Trailer looks ready to go! Any upcoming plans for a trip?
Brooke M.
2/26/2025
Yes! If you need to return them feel free to reach out to me and I can help get that started for you. These tires will fit 12 inch diameter wheels - how big are your wheels youre wanting the tires for?
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Victoria H.
3/4/2025
Yay!!