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This Rambler ST175/80R13 radial tire is rated for highway use with an M speed rating (81 mph). It carries a 1,360-lb maximum load at 50 psi and meets DOT specifications while exceeding FMVSS standards. That means you can count on solid performance and steady handling at normal towing speeds without overheating or wearing out early.
Durability starts with construction. The Rambler uses double steel belts and double polyester cords reinforced by a protective nylon overlay to help prevent tread separation. This strong internal structure keeps the tread firm and extends tire life, even with repeated use on long hauls.
Radial ply construction positions the cords at a 90-degree angle to the direction of travel, reducing friction inside the carcass when the tire flexes. Less heat buildup means longer tread life and a smoother ride—all while improving stability and rolling efficiency at highway speeds.
The solid ribs and minimal sipes on the Rambler tread deliver reliable tracking for trailer applications. Built-in tread bars make it easy to see tire wear at a glance, so you can keep tabs on performance over time without guesswork.
With its 6-ply rating, this ST radial is made for real working trailers that carry serious weight. It fits 13" rims, pairing dependable load capacity with the right strength for steady towing mile after mile.
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 175/80R13 radial trailer tire in a low green C. Now this is a radial ply tire. It's great for highway use. Uses the double steel belt and the double polyester cords, which combine for a nice long life. And then they do use a nylon tread firming belt overlay around the tire to help prevent tread separation.
Now this tire is designed to fit a 13 inch diameter reel. Now the tire size, which will be stamped on the top here or on the sidewall. ST for special trailer, 175 80R13. The R means that it's a radial tire. Capacity on this is a low range C, which means it's a six ply rated tire, so it has a maximum load of 1,360 pounds at 50 PSI.
Also, all the new trailer tires now come through with a speed rating on 'em and where that is stamped on the sidewall right after the size we just went over, you'll see two numbers for the load index. And in the letter M, speed rating is always listed by a letter rating. So the speed rating M will mean it's an 81 mile per hour speed rate tire. Now the tread on this tire, it is a standard tread, has solid continuous ribs with very few sipes or thin grooves that are cut into the rubber. Those sipes are put in there when they want the tire to helps them embed bad weather, like when there's water underneath the tire, helps dissipate that water.
These tires, since they're designed for use on trailers, they don't really require that level of traction, so that would be needed on a vehicle like one that uses braking or steering. As we mentioned, this is an ST tire, which stands for Special Trailer tire, has the sturdy sidewalls so they can handle heavy loads and it is created specifically for trailers, not intended for use on any other vehicles. This tire does meet the DOT, Department of Transportation specifications and it does exceed the Federal Motor Vehicle Safety Standards. But that's gonna do it for the review on this Taskmaster Rambler ST 175 80R13 Radial Trailer Tire in a load range c.
Ratings & Reviews
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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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?