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This Rambler ST205/75R15 radial trailer tire is made for serious road time. With a load range D and an 8-ply rating, it carries up to 2,150 lbs at 65 psi while staying cool and steady at speeds up to 81 mph (speed rating M). It meets DOT specifications and exceeds FMVSS standards, so you can tow long distances knowing the tire is built for real highway work.
The Rambler radial’s construction pairs double steel belts with double polyester cords for durability and a longer tread life. A nylon tread-firming belt overlay helps prevent tread separation, giving you solid performance run after run. It’s built to handle heavy loads without giving up stability or confidence on the road.
The standard tread uses solid, continuous ribs with very few sipes for consistent contact and straight tracking. That design keeps wear even and makes it easy to spot tread depth with built-in bars for quick visual checks. You get a reliable, predictable ride that stays true mile after mile.
Radial ply construction places cords at a 90-degree angle to the direction of travel, reducing friction between layers. That means less heat buildup, lower rolling resistance, and smoother handling at higher speeds. It’s an efficient tire design that helps every trip feel a little easier on your tow vehicle and your nerves.
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 ST 205/75R15 Radial Trailer Tire in a load range D. Now this is a radial ply tire, so it's great for highway use. They do use the double steel belts and the double polyester cords, which combine for a nice long life. And they do use a nylon tread firming belt overlay around the tire to help prevent tread separation. Now this tire is designed to fit 15 inch diameter wheels.
The tire size, which would be stamped on the sidewall, ST for special trailer 205 75R 15. The R stands for a radial tire. Low range on this is a low range D, which means it's an eight ply rated tire. So it has a maximum load capacity of 2,150 pounds at 65 PSI. The other thing I wanna mention is most all the new trailer tires are coming through with speed ratings and they stamp that on the sidewall also and they indicate it by a letter speed rating.
So on this one where you find it is right after the size, you'll see two numbers for the load index and then the letter M, speed rating M will mean it has an 81 mile per hour speed rating. Now the tread design on this, they use a standard tread, has a solid cut continuous ribs with very few sipes or cuts that are put into the rubber. Sipes are usually what help with bad weather by breaking up any water that's underneath the tire. These tires, since they're designed for trailers, they don't really require the level of traction that would be needed on a vehicle that has braking or steering. This tire is an ST tire for special trailer, has sturdy sidewalls so they can handle the heavy loads and it is created specifically for trailers.
It's not intended for use on any other vehicles. This tire will meet the DOT Department of Transportation specifications and it does exceed the Federal Motor Vehicle Safety Standards. But that should do it for the review on the Taskmaster Rambler ST 205/75R15 Radial Trailer Tire in a load range D.
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Ratings & Reviews
Ray
12/21/2025
5 STARS
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.
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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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?