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  1. Trailer Tires and Wheels
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  4. 13 Inch
  5. 5 on 4-1/2 Inch
  6. 175/80-13
Provider ST175/80R13 Radial Trailer Tire w/ 13" Silver Mod Wheel - 5 on 4-1/2 - Load Range C

Provider ST175/80R13 Radial Trailer Tire w/ 13" Silver Mod Wheel - 5 on 4-1/2 - Load Range C

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Trailer Tires and Wheels
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Shipping Weight: 30 lbs
Trailer Tires and Wheels A13RSMQ - 5 on 4-1/2 Inch - Taskmaster
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Radial tire with automotive-grade tread has a 6-ply rating and a 1,360-lb max load at 50 psi. 13" x 4-1/2" Steel wheel has a 5 on 4-1/2 bolt pattern and rust-resistant powder coat finish. Complimentary roadside assistance included. Lowest Prices for the best trailer tires and wheels from Taskmaster. Provider ST175/80R13 Radial Trailer Tire w/ 13" Silver Mod Wheel - 5 on 4-1/2 - Load Range C part number A13RSMQ can be ordered online at or call 1-800-496-5010 for expert service.
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Taskmaster Trailer Tires and Wheels

  • Tire with Wheel
  • 13 Inch
  • 5 on 4-1/2 Inch
  • 175/80-13
  • Load Range C
  • Steel Wheels - Powder Coat
  • Radial Tire
  • M - 81 mph
  • Taskmaster

Radial tire with automotive-grade tread has a 6-ply rating and a 1,360-lb max load at 50 psi. 13" x 4-1/2" Steel wheel has a 5 on 4-1/2 bolt pattern and rust-resistant powder coat finish. Complimentary roadside assistance included.


  • Tire-and-wheel assembly is ideal for stock trailers, utility trailers, and campers
  • Steel wheel with modular design is sturdy and corrosion resistant
    • E-coat primer and silver powder coat finish resist rust
  • Beveled stud holes help to keep wheel securely in place on trailer hub
    • Eliminate the need for constant retightening of lug nuts
  • Radial tire is constructed with double steel belts and double polyester cords for a long life
    • Great for highway use
    • Nylon tread-firming belt overlays help prevent tread separation
    • Tread depth bars offer a quick visual indicator of tread wear
    • Bake tested to ensure that the rubber holds over time
  • Automotive-grade tread has sipes that channel water away from the tire to improve traction during wet, snowy, or icy conditions
  • Special trailer (ST) tire has sturdy sidewalls so that it can handle heavy loads
    • Created specifically for trailers and not intended for use on other vehicles
  • 2-Year Platinum Plus warranty includes emergency tire change service and other benefits
  • Assembly meets DOT specifications and exceeds FMVSS


  • Rim dimensions: 13" diameter x 4-1/2" wide
  • Bolt pattern: 5 on 4-1/2"
  • Wheel bolt size: 1/2"-20
  • Wheel capacity: 1,660 lbs
  • Pilot diameter: 2.99"
  • Offset: 0
  • Tire size: ST175/80R13
    • Section width: 6.97"
    • Outer diameter: 24.02"
  • Tire capacity:
    • Load range: C
    • Ply rating: 16
    • Maximum load: 1,360 lbs at 50 psi
  • Tread depth: 10/32"
  • Maximum speed: 81 mph (speed rating M)
  • 2-Year limited warranty

Platinum Plus Warranty with Roadside Assistance

This tire-and-wheel assembly comes with a Platinum Plus warranty that includes complimentary roadside assistance for 2 years. If your trailer has a flat tire, call the help line and a technician will come change out the flat tire with your existing inflated spare tire. The service is available 24 hours a day, 7 days a week. In addition to the roadside assistance, this warranty also includes other benefits and services.

Beveled Stud Holes

The stud holes on this steel wheel are beveled to ensure that the wheel stays tight against your trailer hub. This also eliminates the need to constantly retorque the lug nuts.

Provider Radials with Automotive-Grade Tread

Provider Tread Vs Standard Tread

Unlike standard trailer tire tread, which has solid, continuous ribs, the automotive-grade tread on these Provider radials has ribs with breaks. These breaks allow water to run off to the sides. The Provider tread also has sipes. Siping is a process in which thin grooves (or sipes) are cut into the rubber of the tire. The grooves channel water away from the tread so that the tire makes better contact with the road. Both of these features greatly improve traction during wet, snowy, or icy conditions.

Provider radials are constructed with double polyester cords and double steel belts for increased durability and endurance. A protective layer of nylon is wrapped around the steel belts to help prevent tread separation. Provider radials are bake tested - a process usually reserved for automotive tires - to ensure that the rubber holds up over time.

Radial Tires vs. Bias Tires

Radial tire vs bias tire graphic

Radial ply tires are designed for trailers that are towed on the highway. The cords on a radial tire are positioned at a 90-degree angle to the direction of travel so that they lay across the width of the tire from wheel lip to wheel lip. This construction prevents the cords from rubbing against one another when the tire flexes, unlike the cords on a bias ply tire. As a result, radial tires have less rolling resistance and heat buildup, which leads to a longer tread life and improved steering at higher speeds.

Determining the Bolt Pattern

The first number in the bolt pattern is the number of bolt holes. The second number denotes the diameter, in inches, of the circle on which the bolt holes sit.

Bolt Pattern - Odd

To determine the bolt-circle diameter on wheels with an odd number of bolt holes, measure from the center of any bolt hole to the point halfway between the two bolt holes directly across from the first. (Example: "5 on 4-1/2" means 5 bolt holes with 4-1/2" measured to a point halfway between the opposite bolt holes.)

Bolt Pattern - Even

On wheels with an even number of bolt holes, measure from the center of one bolt hole to the center of the hole directly across from it. (Example: "8 on 6-1/2" means 8 bolt holes with 6-1/2" from the center of one hole to the center of another on the opposite side.)

Bolt Pattern - Side

Measuring the distance from the center of one bolt hole on the wheel to the center of a bolt hole right next to it can also help to determine the bolt pattern.

  • If D = 2-5/8", then the bolt pattern is 5 on 4-1/2"
  • If D = 2-3/4", then the bolt pattern is 5 on 4-3/4"
  • If D = 3", then the bolt pattern is 5 on 5"
  • If D = 3-1/4", then the bolt pattern is 5 on 5-1/2"

A13R45SMQ Taskmaster Provider ST175/80R13 Radial Tire with Silver Modular Rim - 5 on 4.5 - LR C

Replaces Taskmaster A13RSMQ and TTWA13RSM

Item # A13RSMQ

Installation Details A13RSMQ Installation instructions

Customer Reviews

Provider ST175/80R13 Radial Trailer Tire w/ 13" Silver Mod Wheel - 5 on 4-1/2 - Load Range C - A13RSMQ

Average Customer Rating:  4.9 out of 5 stars   (900 Customer Reviews)

Radial tire with automotive-grade tread has a 6-ply rating and a 1,360-lb max load at 50 psi. 13" x 4-1/2" Steel wheel has a 5 on 4-1/2 bolt pattern and rust-resistant powder coat finish. Complimentary roadside assistance included.


This product is to be used as a spare and matches exactly the wheels I have on my boat trailer. The delivery was prompt as expected. Thank you etrailer!


I needed tires for my 17' boat trailer for an 1800 mile trip to my winter residence. The tires ran very smooth and show no signs of wear. I did have the tires balanced at a local tire dealer before the trip. Very pleased with my purchase and even more so with etrailer pricing and communication.


Terrific service, quick free delivery. I’ll bring my business here.


Exactly as advertised, will buy from ag ain.


Very fast service! Arrived ready to go!


Appeared to be high quality and will work well as my spare on a boat trailer.


Great product and prompt shipping. Great company!!! Returning customer.


Good product, great price and fast deli very


Arrived fast. Great looking tire’s. Didn’t give them 5 stars because I haven’t installed them yet.


The order delivered on time as promised.


Arrived when they said they would, tires look really good....I was just tired of going through trailer tires on my boat trailer, buying the big box store trailer tire, going to these radial tires on both axles.....trailering the boat from Spring Hill FL. to Marathon FL. in the Keys next week, feel much more confident with quality radial trailer tires, hoping for a smooth trip.


Good value for a delivered radial tire. Will follow up on how the China made tire holds up. Excellent service and fast shipping.


Worked as expected.











Review from a similar Provider Mod in Trailer Tires and Wheels

I needed to replace all four tires on my camper. Etrailer made that easy for me by providing information online as to tire specifications and hub configuration. Pricing with rims included was very competitive even against tire discounters who offered tires only. Mounted tires were shipped (free shipping) promptly and delivered to my door by UPS. Each tire was individually boxed and had the proper inflation. Easily swapped out the tires in my driveway yesterday saving me a lot of rigamarole running back and forth with the camper to have new tires mounted. Picture attached.


Review from a similar Provider Mod in Trailer Tires and Wheels

I bought these to replace the 15" tires/wheels on my deck over trailer after having trouble finding 15" tires that could withstand modern highway speeds. I was not sure there was room for them, but they did fit and I've been very pleased with them.


Review from a similar Provider Mod in Trailer Tires and Wheels

Super fast shipping, and great packaging. I have heard of companies just labeling and sbipping spare tires. You guys went above and beyond. Also a pleasant online shopping experience.

Show More Reviews

See what our Experts say about this Taskmaster Trailer Tires and Wheels

  • Recommended 175/80R13 Spare Tire With a 13 inch Silver Steel Wheel
    The Taskmaster Provider # A13RSMQ uses a 175/80R13 size tire on a 13 inch silver steel wheel. It is a load range C which means it has a max load capacity of 1,360 lbs at 50 psi. It also has a speed rating of M which means that the max speed it can handle is 81 mph. The only other thing you will need to check is the bolt pattern. The Provider has a 5 on 4-1/2 inch bolt pattern so as long as that is what your current wheels use this is an excellent spare tire option. It also comes with a...
    view full answer...
  • How to Properly Inflate a Trailer Tire to Maximum Air Pressure
    As you mentioned in your question, tires should always be inflated to the maximum psi rating as listed on the tire's side wall. At maximum air pressure, tires will perform and wear best, as well as get better gas mileage. An underinflated tire can lead to the sidewall of the tire heating up, which may ultimately cause the tire to fail. You should always inflate your tires to their maximum air pressure when they are cold. The small increase in psi as they warm up on the road is expected...
    view full answer...
  • Are the Available Tire and Wheel Combos Machined Balanced
    The tire and wheel combinations we currently carry like the Provider # A13RSMQ are not machine balanced. However, our tire manufacturers do line up the light spot on the tire with the heavy spot on the wheel. This is a type of balancing but a bit different from how car tires are balanced, with weights on a balancing machine. If you wish to have the tire and wheel balanced, a local tire shop should be able to do this for you. This is not required and the tire and wheel will work great...
    view full answer...
  • Replacement Tire and Wheel for 2013 Little Guy Trailer
    In order to select a compatible replacement tire with wheel, you will need to know the tire size currently on your trailer as well as the bolt pattern you need. The tire size will be branded onto its sidewall. I have attached an article on measuring a trailer tire that will help you determine the size when looking at these numbers. I have also attached an article that details measuring the bolt pattern of a wheel. For example, the Taskmaster Radial Tire w/ 13 Inch Wheel # A13RSMPVD you...
    view full answer...
  • 13 inch Trailer Wheel and Tire Recommendation for Small Trailer with Higher Speed Rating
    The 13 inch wheel and tire Provider ST175/80R13 Radial Trailer Tire w/ 13" Silver Mod Wheel - 5 on 4-1/2 - Load Range C Item # A13RSMQ would be a really great choice as it has a speed rating of up to 81 mph. This is a very durable tire that will last a long time, has a 2 year warranty, and has a great tread design for superior traction. This will be much easier to make a cross country trip with than what you have now that is limited to 55 mph.
    view full answer...
  • Recommended Trailer Tires and Wheels to Replace P195/75R14 Tires on Boat Trailer
    Your P195/75R14 tires have a 25.5 inch diameter with a 7.7 inch width. Trailer tires do typically have a different sidewall, so you won't have an identical fit. I recommend the Provider ST175/80R13 Radial Trailer Tire w/ 13" Silver Mod Wheel - 5 on 4-1/2 - Load Range C, Item # A13RSMQ which will have a diameter of 24.02 inches and a width of 6.97 inches. Each assembly will have a load capacity of 1,360 lbs at 50 psi with a speed rating of 81 mph maximum. They come with a 2 year warranty...
    view full answer...
  • How to Determine Bolt Pattern of 13" Wheel on a 1984/5 Prowler Lite 5th Wheel Trailer
    I'm not sure what the original bolt pattern is on a 1984/5 5th wheel Prowler Lite, but I can definitely help you figure that out. One of the most common bolt patterns for a trailer with 13" wheels is 5 on 4-1/2" like what comes on the Taskmaster Provider ST175/80R13 Tire and Wheel Combo # A13RSMQ. If you measure from the center of one lug nut to the center of an adjacent lug nut and that is 2-5/8" then you have a 5 on 4-1/2" bolt pattern. I'm attaching a helpful article on trailer wheel...
    view full answer...
  • Is Provider ST175/80R13 Radial Tire w/ 13 Steel Mod Wheel # A13RSMQ Balanced
    The tire and wheel combos we carry like # A13RSMQ are not machined balanced. You can have the tire and wheel combos balanced at a local tire shop if you wanted to. What our tire manufacturers will do is line up the light spot on the tire with the heavy spot on the wheel. This is a type of balancing but not like how car tires are balanced (with weights on a balancing machine).
    view full answer...
  • Recommended Wheel and Tire for 2017 Jayco Jayflight 26BH Travel Trailer
    For your 2017 Jayco JayFlight 26 BH, I can only find limited information on tire size. From what I found, it looks like you may have 13 inch wheels with a 5 on 4-1/2 inch bolt pattern. If this is the case, I recommend the Provider ST175/80R13 Radial Trailer Tire w/ 13" Silver Mod Wheel - 5 on 4-1/2 - Load Range C Item # A13RSMQ. These tires are rated for speeds up to 81 mph and loads up to 1,360 lbs at 50 psi. These wheels are steel for a strong foundation and have a silver pvd finish...
    view full answer...
  • Replacement Wheels/Tires for a 2005 Fleetwood Resolute Popup Camper
    I have the solution for your wheel and tires on your trailer. For your application, I recommend using a radial tire over the bias ply tire. Radial as designed for the speed and heat generated during highway travel. Radial tires will flex more than a bias tire, giving radials better traction and stability. Radial tires tend to run cooler than bias tires. Heat is then main cause of tire failure on trailer tires. Therefore, the cooler running radial tires will last longer. I recommend the...
    view full answer...
  • Should a 2007 Jayco 20BH Use a 6 Ply or 8 Ply Tire
    Ply rating isn't really as relevant as just going with a tire that has more weight capacity than the trailer will weight. That's an easier way to pick out the correct size. If we use the wheel and tire part # A13RSMQ that you referenced as an example this would not have the needed weight capacity as with four of these you'd only have a capacity of 5,440 lbs and you need a capacity of 6,000 lbs. The part # AM31994 is same tire size and has a wheel with the same bolt pattern of 5 on 4-1/2...
    view full answer...
  • Availability of Wheel and Tire Replacement for Wells Fargo Trailer and What is Backspacing
    We do stock wheel and tire combos like the size ST175/80R13 part # AM31994 that looks like you are in need of. This has the standard 5 on 4-1/2 inch bolt pattern and thankfully all trailer wheels have a zero offset so you do not need to also verify what you have now to match with what you would end up buying.
    view full answer...
  • Kenda or Taskmaster ST175/80R13 Wheel and Tire Combo
    There are a couple of differences in the Kenda Karrier ST175/80R13 Radial Trailer Tire with 13" Galvanized Wheel item # AM31952 and the Taskmaster Provider ST175/80R13 Radial Trailer Tire w/ 13" Silver Mod Wheel item # A13RSMQ. The Kenda is on a galvanized wheel over a powder coated steel wheel like the Taskmaster. This means it is corrosion-resistant and you definitely want one of these if you were putting them on a boat. The Kenda has a pilot hole diameter of 3.19" and the Taskmaster...
    view full answer...
  • Trailer Wheel Recommendation for 13 By 4.5 Wheel
    When it comes to a trailer wheel that is 13 x 4.5 inches that has rivets and a bore size of 3.25 inches we won't be to match it up to what stock we have. The closest wheel we will have for you is The Steel Directional Trailer Wheel - 13" x 4-1/2" Rim - 5 on 4-1/2 - Chrome Finish # AM48VR. It has a capacity of 1,660 pounds and has a wheel bolt size of 1/2 inch-20. I have attach a review video link below.
    view full answer...
  • Best ST175/80R13 Trailer Tires With Wheels for Use in Snow
    The ST175/80R13 trailer tires with the most traction are going to be from Provider. The reason these the best option is because they easily have the best tread depth among these tires, with a depth of 10/32". These trailer tires also have automotive-grade tread, which means they have small "breaks" in the tread for better grip, and siphons snow and water out to the side. These ST175/80R13 Provider tires are load range C with a 1,360 lb capacity, and the wheels have a 5 on 4-1/2" bolt pattern....
    view full answer...
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  • Available Axle Over-Under Kits to Lift Trailer Height
    We do offer kits for raising the height of a trailer but these are not blocks like the item you referenced. The kits we offer are axle over-under kits that swap the positions of the spring stack and axle. We have two such items, part # K71-384-00 for 2-3/8-inch diameter axles and part # K71-385-00 for 3-inch diameter axles. Each kit provides total height lift equal to the height of the spring stack plus the axle diameter. The manufacturer recommends having the new spring seats tack welded...
    view full answer...
  • Availability of ST175/80R13 Load Range C Radial Tire on 13-Inch 5-on-4-1/2 Silver Mod Wheel
    The Taskmaster tire/wheel combination you referenced, part # A13RSMQ, consists of a ST175/80R13 tire on a 5-on-4-1/2 Silver Mod Wheel. While a ST185/80R13 tire will also fit on this same rim, we do not happen to offer this particular combination. The manufacturer offers the most popular combinations of wheel and tire as a pre-mounted item but not every combination is available. You can order a wheel and tire separately if you like and have the tire mounted by a local tire shop. For a wheel...
    view full answer...

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Info for this part was:

Employee Jeff D
Installed by:
Jeff D
Employee Jameson C
Expert Research:
Jameson C
Employee Mary E
Written by:
Mary E
Employee Wilson B
Updated by:
Wilson B
Employee Amanda M
Edited by:
Amanda M

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